Carbon monoxide

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Phase change data

Go To: Top, Gas phase ion energetics data, Ion clustering data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil81.63KN/AMullins, Kirk, et al., 1963Uncertainty assigned by TRC = 0.05 K; TRC
Tboil81.61KN/AClayton and Giauque, 1932Uncertainty assigned by TRC = 0.07 K; TRC
Quantity Value Units Method Reference Comment
Ttriple67.95KN/AGill and Morrison, 1966Crystal phase 1 phase; Uncertainty assigned by TRC = 0.06 K; TRC
Ttriple68.12KN/AMullins, Kirk, et al., 1963Crystal phase 1 phase; Uncertainty assigned by TRC = 0.05 K; TRC
Ttriple68.09KN/AClayton and Giauque, 1932Crystal phase 1 phase; Uncertainty assigned by TRC = 0.07 K; TRC
Quantity Value Units Method Reference Comment
Tc134.45KN/ACardoso, 1915Uncertainty assigned by TRC = 0.4 K; 4 determinations with same result; TRC
Quantity Value Units Method Reference Comment
Pc34.5300atmN/ACardoso, 1915Uncertainty assigned by TRC = 0.2999 atm; TRC
Pc34.5300atmN/ACardoso, 1915Uncertainty assigned by TRC = 0.2999 atm; TRC
Pc34.6900atmN/ACardoso, 1915Uncertainty assigned by TRC = 0.2999 atm; TRC
Pc34.7500atmN/ACardoso, 1915Uncertainty assigned by TRC = 0.2999 atm; TRC
Quantity Value Units Method Reference Comment
ρc11.1mol/lN/ACardoso, 1915Uncertainty assigned by TRC = 0.04 mol/l; extrapolation of rectilinear diameter to Tc; TRC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
1.493.AStephenson and Malanowski, 1987Based on data from 68. to 108. K.; AC
1.481.N/AClayton and Giauque, 1932, 2Based on data from 69. to 83. K.; AC
1.481.CClayton and Giauque, 1932, 2AC

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
1.858.N/AStephenson and Malanowski, 1987Based on data from 54. to 61. K.; AC
1.960.AStull, 1947Based on data from 51. to 68. K.; AC
1.962.ACrommelin, Bijleveld, et al., 1931Based on data from 57. to 68. K.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:

Gas phase ion energetics data

Go To: Top, Phase change data, Ion clustering data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

View reactions leading to CO+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)14.014 ± 0.0003eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)142.kcal/molN/AHunter and Lias, 1998at C; HL
Proton affinity (review)101.9kcal/molN/AHunter and Lias, 1998at O; HL
Quantity Value Units Method Reference Comment
Gas basicity134.5kcal/molN/AHunter and Lias, 1998at C; HL
Gas basicity96.13kcal/molN/AHunter and Lias, 1998at O; HL
Quantity Value Units Method Reference Comment
ΔfH°(+) ion296.7kcal/molN/AN/A 
Quantity Value Units Method Reference Comment
ΔfH(+) ion,0K296.0kcal/molN/AN/A 

Electron affinity determinations

EA (eV) Method Reference Comment
1.32608R-ARefaey and Franklin, 1976G3MP2B3 calculations indicate an EA of ca.-1.6 eV, anion unbound; B

Ionization energy determinations

IE (eV) Method Reference Comment
14.0142 ± 0.0003LSErman, Karawajczyk, et al., 1993LL
14.1PEKimura, Katsumata, et al., 1981LLK
14.014SFock, Gurtler, et al., 1980LLK
14.07 ± 0.05EIHille and Mark, 1978LLK
14.0PIRabalais, Debies, et al., 1974LLK
14.01PENatalis, 1973LLK
14.0139SOgawa and Ogawa, 1972LLK
14.01PEHotop and Niehaus, 1970RDSH
14.01PECollin and Natalis, 1969RDSH
14.00PETurner and May, 1966RDSH
14.013 ± 0.004SKrupenie, 1966RDSH
13.985PICook, Metzger, et al., 1965RDSH
14.01PEPotts and Williams, 1974Vertical value; LLK
14.01PEKatrib, Debies, et al., 1973Vertical value; LLK
14.0PEThomas, 1970Vertical value; RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C+20.94 ± 0.02O-PIOertel, Schenk, et al., 1980LLK
C+20.89O-(2P)EISmyth, Schiavone, et al., 1974LLK
C+20.88 ± 0.02O-EILocht and Momigny, 1971LLK
C+22.45 ± 0.10OEIHierl and Franklin, 1967RDSH
C+20.82 ± 0.05O-EIHierl and Franklin, 1967RDSH
C+22.57 ± 0.20OEIFineman and Petrocelli, 1961RDSH
C+20.89 ± 0.09O-EIFineman and Petrocelli, 1961RDSH
CO+19.5 ± 0.2O-?PIWeissler, Samson, et al., 1959RDSH
O+23.44C-EISmyth, Schiavone, et al., 1974LLK
O+23.20 ± 0.05C-EIHierl and Franklin, 1967RDSH
O+24.65 ± 0.05CEIHierl and Franklin, 1967RDSH
O+23.41 ± 0.17C-EIFineman and Petrocelli, 1961RDSH
O+24.78 ± 0.23CEIFineman and Petrocelli, 1961RDSH

Ion clustering data

Go To: Top, Phase change data, Gas phase ion energetics data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
RCD - Robert C. Dunbar

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Silver ion (1+) + Carbon monoxide = (Silver ion (1+) • Carbon monoxide)

By formula: Ag+ + CO = (Ag+ • CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
21.2 (+1.2,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

(Silver ion (1+) • Carbon monoxide) + Carbon monoxide = (Silver ion (1+) • 2Carbon monoxide)

By formula: (Ag+ • CO) + CO = (Ag+ • 2CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
26.1 (+0.9,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

(Silver ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Silver ion (1+) • 3Carbon monoxide)

By formula: (Ag+ • 2CO) + CO = (Ag+ • 3CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
13.1 (+1.8,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

(Silver ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Silver ion (1+) • 4Carbon monoxide)

By formula: (Ag+ • 3CO) + CO = (Ag+ • 4CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
10.8 (+0.9,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

Ar+ + Carbon monoxide = (Ar+ • Carbon monoxide)

By formula: Ar+ + CO = (Ar+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°18. ± 4.kcal/molPIPECONorwood, Guo, et al., 1989gas phase; Ar+(2P3/2); M

(Ar+ • Carbon monoxide) + Carbon monoxide = (Ar+ • 2Carbon monoxide)

By formula: (Ar+ • CO) + CO = (Ar+ • 2CO)

Quantity Value Units Method Reference Comment
ΔrH°3.kcal/molPIPECONorwood, Guo, et al., 1989gas phase; approximate value from Ar+(2P3/2) 2CO -> Ar+(2P3/2) + 2CO; M

Trifluoromethyl cation + Carbon monoxide = (Trifluoromethyl cation • Carbon monoxide)

By formula: CF3+ + CO = (CF3+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°16.0kcal/molPHPMSHiraoka, Nasu, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°30.cal/mol*KPHPMSHiraoka, Nasu, et al., 1996gas phase; M

(Trifluoromethyl cation • Carbon monoxide) + Carbon monoxide = (Trifluoromethyl cation • 2Carbon monoxide)

By formula: (CF3+ • CO) + CO = (CF3+ • 2CO)

Quantity Value Units Method Reference Comment
ΔrH°6.3kcal/molPHPMSHiraoka, Nasu, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°20.cal/mol*KPHPMSHiraoka, Nasu, et al., 1996gas phase; M

(Trifluoromethyl cation • 2Carbon monoxide) + Carbon monoxide = (Trifluoromethyl cation • 3Carbon monoxide)

By formula: (CF3+ • 2CO) + CO = (CF3+ • 3CO)

Quantity Value Units Method Reference Comment
ΔrH°5.8kcal/molPHPMSHiraoka, Nasu, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°26.cal/mol*KPHPMSHiraoka, Nasu, et al., 1996gas phase; M

(Trifluoromethyl cation • 3Carbon monoxide) + Carbon monoxide = (Trifluoromethyl cation • 4Carbon monoxide)

By formula: (CF3+ • 3CO) + CO = (CF3+ • 4CO)

Quantity Value Units Method Reference Comment
ΔrH°5.4kcal/molPHPMSHiraoka, Nasu, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°28.cal/mol*KPHPMSHiraoka, Nasu, et al., 1996gas phase; M

(Trifluoromethyl cation • 4Carbon monoxide) + Carbon monoxide = (Trifluoromethyl cation • 5Carbon monoxide)

By formula: (CF3+ • 4CO) + CO = (CF3+ • 5CO)

Quantity Value Units Method Reference Comment
ΔrH°3.2kcal/molPHPMSHiraoka, Nasu, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°26.cal/mol*KPHPMSHiraoka, Nasu, et al., 1996gas phase; M

(Trifluoromethyl cation • 5Carbon monoxide) + Carbon monoxide = (Trifluoromethyl cation • 6Carbon monoxide)

By formula: (CF3+ • 5CO) + CO = (CF3+ • 6CO)

Quantity Value Units Method Reference Comment
ΔrH°2.9kcal/molPHPMSHiraoka, Nasu, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°28.cal/mol*KPHPMSHiraoka, Nasu, et al., 1996gas phase; M

(Trifluoromethyl cation • 6Carbon monoxide) + Carbon monoxide = (Trifluoromethyl cation • 7Carbon monoxide)

By formula: (CF3+ • 6CO) + CO = (CF3+ • 7CO)

Quantity Value Units Method Reference Comment
ΔrH°2.6kcal/molPHPMSHiraoka, Nasu, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°28.cal/mol*KPHPMSHiraoka, Nasu, et al., 1996gas phase; M

(CFeO- • 4294967295Carbon monoxide) + Carbon monoxide = CFeO-

By formula: (CFeO- • 4294967295CO) + CO = CFeO-

Quantity Value Units Method Reference Comment
ΔrH°34.8 ± 3.5kcal/molN/AVillalta and Leopold, 1993gas phase; B
ΔrH°33.7 ± 3.5kcal/molCIDTSunderlin, Wang, et al., 1992gas phase; B

Formyl cation + Carbon monoxide = (Formyl cation • Carbon monoxide)

By formula: CHO+ + CO = (CHO+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°10.8kcal/molPHPMSJennings, Headley, et al., 1982gas phase; M
ΔrH°12.8kcal/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
ΔrH°11.7kcal/molPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°22.5cal/mol*KPHPMSJennings, Headley, et al., 1982gas phase; M
ΔrS°24.cal/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M
ΔrS°20.9cal/mol*KPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; M

(Formyl cation • Carbon monoxide) + Carbon monoxide = (Formyl cation • 2Carbon monoxide)

By formula: (CHO+ • CO) + CO = (CHO+ • 2CO)

Quantity Value Units Method Reference Comment
ΔrH°4.9 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
ΔrH°6.6kcal/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°15.0cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
ΔrS°24.cal/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

(Formyl cation • 2Carbon monoxide) + Carbon monoxide = (Formyl cation • 3Carbon monoxide)

By formula: (CHO+ • 2CO) + CO = (CHO+ • 3CO)

Quantity Value Units Method Reference Comment
ΔrH°4.7 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
ΔrH°6.3kcal/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°15.8cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
ΔrS°26.cal/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

(Formyl cation • 3Carbon monoxide) + Carbon monoxide = (Formyl cation • 4Carbon monoxide)

By formula: (CHO+ • 3CO) + CO = (CHO+ • 4CO)

Quantity Value Units Method Reference Comment
ΔrH°4.5 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
ΔrH°6.2kcal/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°18.2cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
ΔrS°29.cal/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

(Formyl cation • 4Carbon monoxide) + Carbon monoxide = (Formyl cation • 5Carbon monoxide)

By formula: (CHO+ • 4CO) + CO = (CHO+ • 5CO)

Quantity Value Units Method Reference Comment
ΔrH°4.2 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
ΔrH°5.8kcal/molPHPMSHiraoka, Saluja, et al., 1979gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°22.9cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M
ΔrS°32.cal/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; M

(Formyl cation • 5Carbon monoxide) + Carbon monoxide = (Formyl cation • 6Carbon monoxide)

By formula: (CHO+ • 5CO) + CO = (CHO+ • 6CO)

Quantity Value Units Method Reference Comment
ΔrH°2.4 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°19.0cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 6Carbon monoxide) + Carbon monoxide = (Formyl cation • 7Carbon monoxide)

By formula: (CHO+ • 6CO) + CO = (CHO+ • 7CO)

Quantity Value Units Method Reference Comment
ΔrH°2.3 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°21.1cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 7Carbon monoxide) + Carbon monoxide = (Formyl cation • 8Carbon monoxide)

By formula: (CHO+ • 7CO) + CO = (CHO+ • 8CO)

Quantity Value Units Method Reference Comment
ΔrH°2.2 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°22.0cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 8Carbon monoxide) + Carbon monoxide = (Formyl cation • 9Carbon monoxide)

By formula: (CHO+ • 8CO) + CO = (CHO+ • 9CO)

Quantity Value Units Method Reference Comment
ΔrH°2.1 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°22.6cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 9Carbon monoxide) + Carbon monoxide = (Formyl cation • 10Carbon monoxide)

By formula: (CHO+ • 9CO) + CO = (CHO+ • 10CO)

Quantity Value Units Method Reference Comment
ΔrH°2.0 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°22.3cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 10Carbon monoxide) + Carbon monoxide = (Formyl cation • 11Carbon monoxide)

By formula: (CHO+ • 10CO) + CO = (CHO+ • 11CO)

Quantity Value Units Method Reference Comment
ΔrH°2.0 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°23.0cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 11Carbon monoxide) + Carbon monoxide = (Formyl cation • 12Carbon monoxide)

By formula: (CHO+ • 11CO) + CO = (CHO+ • 12CO)

Quantity Value Units Method Reference Comment
ΔrH°1.9 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°23.2cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 12Carbon monoxide) + Carbon monoxide = (Formyl cation • 13Carbon monoxide)

By formula: (CHO+ • 12CO) + CO = (CHO+ • 13CO)

Quantity Value Units Method Reference Comment
ΔrH°1.8 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°23.2cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 13Carbon monoxide) + Carbon monoxide = (Formyl cation • 14Carbon monoxide)

By formula: (CHO+ • 13CO) + CO = (CHO+ • 14CO)

Quantity Value Units Method Reference Comment
ΔrH°1.8 ± 0.3kcal/molPHPMSHiraoka and Mori, 1989gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°23.1cal/mol*KPHPMSHiraoka and Mori, 1989gas phase; M

(Formyl cation • 14Carbon monoxide) + Carbon monoxide = (Formyl cation • 15Carbon monoxide)

By formula: (CHO+ • 14CO) + CO = (CHO+ • 15CO)

Quantity Value Units Method Reference Comment
ΔrH°1.76kcal/molPHPMSHiraoka and Mori, 1989gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°23.cal/mol*KN/AHiraoka and Mori, 1989gas phase; Entropy change calculated or estimated; M

(CHO- • 4294967295Carbon monoxide) + Carbon monoxide = CHO-

By formula: (CHO- • 4294967295CO) + CO = CHO-

Quantity Value Units Method Reference Comment
ΔrH°5.42 ± 0.45kcal/molN/AMurray, Miller, et al., 1986gas phase; B

(CNiO- • 4294967295Carbon monoxide) + Carbon monoxide = CNiO-

By formula: (CNiO- • 4294967295CO) + CO = CNiO-

Quantity Value Units Method Reference Comment
ΔrH°33.0 ± 5.8kcal/molN/AStevens, Feigerle, et al., 1982gas phase; B
ΔrH°32.4 ± 5.8kcal/molCIDTSunderlin, Wang, et al., 1992gas phase; Affinity: CO..Ni-; B

CO+ + Carbon monoxide = (CO+ • Carbon monoxide)

By formula: CO+ + CO = (CO+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°16.kcal/molPIPECONorwood, Guo, et al., 1988gas phase; CO+ in state B, ΔrH>; M
ΔrH°22.4kcal/molPILinn, Ono, et al., 1981gas phase; M
ΔrH°28. ± 7.kcal/molEIMunson and Franlin, 1962gas phase; from IP'switching reaction and heats of formation; M
ΔrH°25.4kcal/molPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; ΔrH>, DG>; M
Quantity Value Units Method Reference Comment
ΔrS°20.cal/mol*KPHPMSMeot-Ner (Mautner) and Field, 1974gas phase; ΔrH>, DG>; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
4.9340.HPMSChong and Franklin, 1971gas phase; equilibrium uncertain; M
11.5695.PHPMSMeot-Ner (Mautner) and Field, 1974gas phase; ΔrH>, DG>; M

(CO+ • Carbon monoxide) + Carbon monoxide = (CO+ • 2Carbon monoxide)

By formula: (CO+ • CO) + CO = (CO+ • 2CO)

Quantity Value Units Method Reference Comment
ΔrH°12.5kcal/molPHPMSHiraoka and Mori, 1991gas phase; M
ΔrH°3.7kcal/molPILinn, Ono, et al., 1981gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°35.5cal/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

(CO+ • 2Carbon monoxide) + Carbon monoxide = (CO+ • 3Carbon monoxide)

By formula: (CO+ • 2CO) + CO = (CO+ • 3CO)

Quantity Value Units Method Reference Comment
ΔrH°7.21kcal/molPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M
Quantity Value Units Method Reference Comment
ΔrS°24.5cal/mol*KPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M

(CO+ • 3Carbon monoxide) + Carbon monoxide = (CO+ • 4Carbon monoxide)

By formula: (CO+ • 3CO) + CO = (CO+ • 4CO)

Quantity Value Units Method Reference Comment
ΔrH°4.40kcal/molPHPMSHiraoka and Mori, 1991gas phase; two isomers; M
Quantity Value Units Method Reference Comment
ΔrS°20.5cal/mol*KPHPMSHiraoka and Mori, 1991gas phase; two isomers; M

(CO+ • 4Carbon monoxide) + Carbon monoxide = (CO+ • 5Carbon monoxide)

By formula: (CO+ • 4CO) + CO = (CO+ • 5CO)

Quantity Value Units Method Reference Comment
ΔrH°4.25kcal/molPHPMSHiraoka and Mori, 1991gas phase; two isomers; M
Quantity Value Units Method Reference Comment
ΔrS°24.4cal/mol*KPHPMSHiraoka and Mori, 1991gas phase; two isomers; M

(CO+ • 5Carbon monoxide) + Carbon monoxide = (CO+ • 6Carbon monoxide)

By formula: (CO+ • 5CO) + CO = (CO+ • 6CO)

Quantity Value Units Method Reference Comment
ΔrH°2.70kcal/molPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M
Quantity Value Units Method Reference Comment
ΔrS°19.1cal/mol*KPHPMSHiraoka and Mori, 1991gas phase; two isomers, at low and high temperatures; M

(CO+ • 6Carbon monoxide) + Carbon monoxide = (CO+ • 7Carbon monoxide)

By formula: (CO+ • 6CO) + CO = (CO+ • 7CO)

Quantity Value Units Method Reference Comment
ΔrH°2.25kcal/molPHPMSHiraoka and Mori, 1991gas phase; break in the van't Hoff plot; M
Quantity Value Units Method Reference Comment
ΔrS°21.1cal/mol*KPHPMSHiraoka and Mori, 1991gas phase; break in the van't Hoff plot; M

(CO+ • 7Carbon monoxide) + Carbon monoxide = (CO+ • 8Carbon monoxide)

By formula: (CO+ • 7CO) + CO = (CO+ • 8CO)

Quantity Value Units Method Reference Comment
ΔrH°1.58kcal/molPHPMSHiraoka and Mori, 1991gas phase; break in the van't Hoff plot; M
Quantity Value Units Method Reference Comment
ΔrS°12.4cal/mol*KPHPMSHiraoka and Mori, 1991gas phase; break in the van't Hoff plot; M

(CO+ • 9Carbon monoxide) + Carbon monoxide = (CO+ • 10Carbon monoxide)

By formula: (CO+ • 9CO) + CO = (CO+ • 10CO)

Quantity Value Units Method Reference Comment
ΔrH°1.85kcal/molPHPMSHiraoka and Mori, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°19.1cal/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

(CO+ • 11Carbon monoxide) + Carbon monoxide = (CO+ • 12Carbon monoxide)

By formula: (CO+ • 11CO) + CO = (CO+ • 12CO)

Quantity Value Units Method Reference Comment
ΔrH°2.13kcal/molPHPMSHiraoka and Mori, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°27.1cal/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

(CO+ • 12Carbon monoxide) + Carbon monoxide = (CO+ • 13Carbon monoxide)

By formula: (CO+ • 12CO) + CO = (CO+ • 13CO)

Quantity Value Units Method Reference Comment
ΔrH°2.10kcal/molPHPMSHiraoka and Mori, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°27.7cal/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

(CO+ • 13Carbon monoxide) + Carbon monoxide = (CO+ • 14Carbon monoxide)

By formula: (CO+ • 13CO) + CO = (CO+ • 14CO)

Quantity Value Units Method Reference Comment
ΔrH°2.08kcal/molPHPMSHiraoka and Mori, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°28.6cal/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

(CO+ • 14Carbon monoxide) + Carbon monoxide = (CO+ • 15Carbon monoxide)

By formula: (CO+ • 14CO) + CO = (CO+ • 15CO)

Quantity Value Units Method Reference Comment
ΔrH°1.92kcal/molPHPMSHiraoka and Mori, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°26.8cal/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

(CO+ • 15Carbon monoxide) + Carbon monoxide = (CO+ • 16Carbon monoxide)

By formula: (CO+ • 15CO) + CO = (CO+ • 16CO)

Quantity Value Units Method Reference Comment
ΔrH°1.92kcal/molPHPMSHiraoka and Mori, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°27.6cal/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

(CO+ • 16Carbon monoxide) + Carbon monoxide = (CO+ • 17Carbon monoxide)

By formula: (CO+ • 16CO) + CO = (CO+ • 17CO)

Quantity Value Units Method Reference Comment
ΔrH°1.88kcal/molPHPMSHiraoka and Mori, 1991gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°27.6cal/mol*KPHPMSHiraoka and Mori, 1991gas phase; M

COPt3- + Carbon monoxide = C2O2Pt3-

By formula: COPt3- + CO = C2O2Pt3-

Quantity Value Units Method Reference Comment
ΔrH°53. ± 12.kcal/molN/AGrushow and Ervin, 1997gas phase; B

C2O2Pt3- + Carbon monoxide = C3O3Pt3-

By formula: C2O2Pt3- + CO = C3O3Pt3-

Quantity Value Units Method Reference Comment
ΔrH°52.6 ± 5.3kcal/molN/AGrushow and Ervin, 1997gas phase; B
ΔrH°49.2 ± 3.3kcal/molPDisShi, Spasov, et al., 2001gas phase; B

C3CrO3- + Carbon monoxide = (C3CrO3- • Carbon monoxide)

By formula: C3CrO3- + CO = (C3CrO3- • CO)

Quantity Value Units Method Reference Comment
ΔrH°39.7 ± 3.9kcal/molCIDTSunderlin, Wang, et al., 1993gas phase; B

C3MnO3- + Carbon monoxide = C4MnO4-

By formula: C3MnO3- + CO = C4MnO4-

Quantity Value Units Method Reference Comment
ΔrH°41.1 ± 3.0kcal/molCIDTSunderlin, Wang, et al., 1993gas phase; B

C3O3Pt3- + Carbon monoxide = C4O4Pt3-

By formula: C3O3Pt3- + CO = C4O4Pt3-

Quantity Value Units Method Reference Comment
ΔrH°24.4 ± 3.2kcal/molN/AGrushow and Ervin, 1997gas phase; B

C3O3V- + Carbon monoxide = C4O4V-

By formula: C3O3V- + CO = C4O4V-

Quantity Value Units Method Reference Comment
ΔrH°40.4 ± 5.8kcal/molCIDTSunderlin, Wang, et al., 1993gas phase; B

C4O4Pt3- + Carbon monoxide = C5O5Pt3-

By formula: C4O4Pt3- + CO = C5O5Pt3-

Quantity Value Units Method Reference Comment
ΔrH°26.1 ± 4.4kcal/molN/AGrushow and Ervin, 1997gas phase; B

C4O4V- + Carbon monoxide = C5O5V-

By formula: C4O4V- + CO = C5O5V-

Quantity Value Units Method Reference Comment
ΔrH°31.1 ± 3.0kcal/molCIDTSunderlin, Wang, et al., 1993gas phase; B

C5O5Pt3- + Carbon monoxide = C6O6Pt3-

By formula: C5O5Pt3- + CO = C6O6Pt3-

Quantity Value Units Method Reference Comment
ΔrH°41.5 ± 6.9kcal/molN/AGrushow and Ervin, 1997gas phase; B
ΔrH°39.7 ± 3.3kcal/molPDisShi, Spasov, et al., 2001gas phase; B

C5O5V- + Carbon monoxide = C6O6V-

By formula: C5O5V- + CO = C6O6V-

Quantity Value Units Method Reference Comment
ΔrH°30.8 ± 3.5kcal/molCIDTSunderlin, Wang, et al., 1993gas phase; B

C6H5MnO- + Carbon monoxide = C6H5MnO-

By formula: C6H5MnO- + CO = C6H5MnO-

Quantity Value Units Method Reference Comment
ΔrH°5.00 ± 0.50kcal/molN/ASunderlin and Squires, 1999gas phase; B

C6H5MnO- + Carbon monoxide = C7H5MnO2-

By formula: C6H5MnO- + CO = C7H5MnO2-

Quantity Value Units Method Reference Comment
ΔrH°7.80 ± 0.60kcal/molN/ASunderlin and Squires, 1999gas phase; B

C6O6Pt4- + Carbon monoxide = C8O8Pt4-

By formula: C6O6Pt4- + CO = C8O8Pt4-

Quantity Value Units Method Reference Comment
ΔrH°18.4 ± 6.9kcal/molN/AGrushow and Ervin, 1997gas phase; B

C7H5CrO2- + Carbon monoxide = C8H5CrO3-

By formula: C7H5CrO2- + CO = C8H5CrO3-

Quantity Value Units Method Reference Comment
ΔrH°8.70 ± 0.80kcal/molN/ASunderlin and Squires, 1999gas phase; B

C7H5O2V- + Carbon monoxide = C7H5O2V-

By formula: C7H5O2V- + CO = C7H5O2V-

Quantity Value Units Method Reference Comment
ΔrH°7.90 ± 0.70kcal/molN/ASunderlin and Squires, 1999gas phase; B

C7H5O2V- + Carbon monoxide = C8H5O3V-

By formula: C7H5O2V- + CO = C8H5O3V-

Quantity Value Units Method Reference Comment
ΔrH°7.60 ± 0.60kcal/molN/ASunderlin and Squires, 1999gas phase; B

Cobalt ion (1+) + Carbon monoxide = (Cobalt ion (1+) • Carbon monoxide)

By formula: Co+ + CO = (Co+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°41.6 ± 1.7kcal/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°39. ± 3.kcal/molMKERCarpenter, van Koppen, et al., 1995gas phase; M

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
41.5 (+1.6,-0.) CIDGoebel, Haynes, et al., 1995gas phase; guided ion beam CID; M
39.0 (+4.8,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Cobalt ion (1+) • Carbon monoxide) + Carbon monoxide = (Cobalt ion (1+) • 2Carbon monoxide)

By formula: (Co+ • CO) + CO = (Co+ • 2CO)

Quantity Value Units Method Reference Comment
ΔrH°36.6 ± 2.2kcal/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
36.4 (+2.1,-0.) CIDGoebel, Haynes, et al., 1995gas phase; guided ion beam CID; M
32.9 (+4.8,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Cobalt ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Cobalt ion (1+) • 3Carbon monoxide)

By formula: (Co+ • 2CO) + CO = (Co+ • 3CO)

Quantity Value Units Method Reference Comment
ΔrH°19.6 ± 2.9kcal/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
19.6 (+2.8,-0.) CIDGoebel, Haynes, et al., 1995gas phase; guided ion beam CID; M

(Cobalt ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Cobalt ion (1+) • 4Carbon monoxide)

By formula: (Co+ • 3CO) + CO = (Co+ • 4CO)

Quantity Value Units Method Reference Comment
ΔrH°17.9 ± 1.4kcal/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
18.0 (+1.4,-0.) CIDGoebel, Haynes, et al., 1995gas phase; guided ion beam CID; M

(Cobalt ion (1+) • 4Carbon monoxide) + Carbon monoxide = (Cobalt ion (1+) • 5Carbon monoxide)

By formula: (Co+ • 4CO) + CO = (Co+ • 5CO)

Quantity Value Units Method Reference Comment
ΔrH°17.9 ± 1.2kcal/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
18.0 (+1.2,-0.) CIDGoebel, Haynes, et al., 1995gas phase; guided ion beam CID; M

Chromium ion (1+) + Carbon monoxide = (Chromium ion (1+) • Carbon monoxide)

By formula: Cr+ + CO = (Cr+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°21.4 ± 0.9kcal/molCIDTKhan, Clemmer, et al., 1993RCD

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
21.5 (+1.0,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Chromium ion (1+) • Carbon monoxide) + Carbon monoxide = (Chromium ion (1+) • 2Carbon monoxide)

By formula: (Cr+ • CO) + CO = (Cr+ • 2CO)

Quantity Value Units Method Reference Comment
ΔrH°22.6 ± 0.7kcal/molCIDTKhan, Clemmer, et al., 1993RCD

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
22.7 (+0.7,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Chromium ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Chromium ion (1+) • 3Carbon monoxide)

By formula: (Cr+ • 2CO) + CO = (Cr+ • 3CO)

Quantity Value Units Method Reference Comment
ΔrH°12.9 ± 1.4kcal/molCIDTKhan, Clemmer, et al., 1993RCD

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
12.9 (+1.4,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Chromium ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Chromium ion (1+) • 4Carbon monoxide)

By formula: (Cr+ • 3CO) + CO = (Cr+ • 4CO)

Quantity Value Units Method Reference Comment
ΔrH°12.2 ± 1.8kcal/molCIDTKhan, Clemmer, et al., 1993RCD

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
12.2 (+1.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Chromium ion (1+) • 4Carbon monoxide) + Carbon monoxide = (Chromium ion (1+) • 5Carbon monoxide)

By formula: (Cr+ • 4CO) + CO = (Cr+ • 5CO)

Quantity Value Units Method Reference Comment
ΔrH°14.8 ± 0.7kcal/molCIDTKhan, Clemmer, et al., 1993RCD

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
14.8 (+0.7,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Chromium ion (1+) • 5Carbon monoxide) + Carbon monoxide = (Chromium ion (1+) • 6Carbon monoxide)

By formula: (Cr+ • 5CO) + CO = (Cr+ • 6CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
31.0 (+1.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

Copper ion (1+) + Carbon monoxide = (Copper ion (1+) • Carbon monoxide)

By formula: Cu+ + CO = (Cu+ • CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
35.5 (+1.6,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

(Copper ion (1+) • Carbon monoxide) + Carbon monoxide = (Copper ion (1+) • 2Carbon monoxide)

By formula: (Cu+ • CO) + CO = (Cu+ • 2CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
41.1 (+0.7,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

(Copper ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Copper ion (1+) • 3Carbon monoxide)

By formula: (Cu+ • 2CO) + CO = (Cu+ • 3CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
18.0 (+0.9,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

(Copper ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Copper ion (1+) • 4Carbon monoxide)

By formula: (Cu+ • 3CO) + CO = (Cu+ • 4CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
12.6 (+0.7,-0.) CIDMeyer, Chen, et al., 1995gas phase; guided ion beam CID; M

Iron ion (1+) + Carbon monoxide = (Iron ion (1+) • Carbon monoxide)

By formula: Fe+ + CO = (Fe+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°30.8 ± 1.0kcal/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°32. ± 3.kcal/molMKERCarpenter, van Koppen, et al., 1995gas phase; determined from MKER and theory; M

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
31.3 (+1.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Iron ion (1+) • Carbon monoxide) + Carbon monoxide = (Iron ion (1+) • 2Carbon monoxide)

By formula: (Fe+ • CO) + CO = (Fe+ • 2CO)

Quantity Value Units Method Reference Comment
ΔrH°35.4 ± 1.2kcal/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
36.1 (+3.4,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Iron ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Iron ion (1+) • 3Carbon monoxide)

By formula: (Fe+ • 2CO) + CO = (Fe+ • 3CO)

Quantity Value Units Method Reference Comment
ΔrH°16.5 ± 1.4kcal/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
15.8 (+1.2,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Iron ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Iron ion (1+) • 4Carbon monoxide)

By formula: (Fe+ • 3CO) + CO = (Fe+ • 4CO)

Quantity Value Units Method Reference Comment
ΔrH°23.4 ± 1.4kcal/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
24.6 (+1.7,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Iron ion (1+) • 4Carbon monoxide) + Carbon monoxide = (Iron ion (1+) • 5Carbon monoxide)

By formula: (Fe+ • 4CO) + CO = (Fe+ • 5CO)

Quantity Value Units Method Reference Comment
ΔrH°23.2 ± 1.0kcal/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
26.8 (+1.0,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Iron ion (1+) • 3Carbon monoxide • 2iron) + Carbon monoxide = (Iron ion (1+) • 4Carbon monoxide • 2iron)

By formula: (Fe+ • 3CO • 2Fe) + CO = (Fe+ • 4CO • 2Fe)

Quantity Value Units Method Reference Comment
ΔrH°56.9kcal/molPDissTecklenberg, Bricker, et al., 1988gas phase; ΔrH<; M

(Iron ion (1+) • iron) + Carbon monoxide = (Iron ion (1+) • Carbon monoxide • iron)

By formula: (Fe+ • Fe) + CO = (Fe+ • CO • Fe)

Quantity Value Units Method Reference Comment
ΔrH°58.6kcal/molPDissTecklenberg, Bricker, et al., 1988gas phase; ΔrH<; M

Potassium ion (1+) + Carbon monoxide = (Potassium ion (1+) • Carbon monoxide)

By formula: K+ + CO = (K+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°4.3 ± 1.2kcal/molCIDTRodgers and Armentrout, 2000RCD

Kr+ + Carbon monoxide = (Kr+ • Carbon monoxide)

By formula: Kr+ + CO = (Kr+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°24.7 ± 1.8kcal/molSIFTPraxmarer, Jordan, et al., 1993gas phase; switching reaction(Kr+)Kr; Wadt, 1978, Radzig and Smirnov, 1985; M

Lithium ion (1+) + Carbon monoxide = (Lithium ion (1+) • Carbon monoxide)

By formula: Li+ + CO = (Li+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°13.1 ± 3.1kcal/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°13.1 ± 2.9kcal/molCIDTWalter, Sievers, et al., 1998RCD

(Lithium ion (1+) • Carbon monoxide) + Carbon monoxide = (Lithium ion (1+) • 2Carbon monoxide)

By formula: (Li+ • CO) + CO = (Li+ • 2CO)

Quantity Value Units Method Reference Comment
ΔrH°8.6 ± 1.0kcal/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°8.6 ± 1.0kcal/molCIDTWalter, Sievers, et al., 1998RCD

(Lithium ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Lithium ion (1+) • 3Carbon monoxide)

By formula: (Li+ • 2CO) + CO = (Li+ • 3CO)

Quantity Value Units Method Reference Comment
ΔrH°8.4 ± 1.0kcal/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°8.4 ± 1.0kcal/molCIDTWalter, Sievers, et al., 1998RCD

Magnesium ion (1+) + Carbon monoxide = (Magnesium ion (1+) • Carbon monoxide)

By formula: Mg+ + CO = (Mg+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°9.9 ± 1.4kcal/molCIDTAndersen, Muntean, et al., 2000RCD

(Magnesium ion (1+) • Carbon monoxide) + Carbon monoxide = (Magnesium ion (1+) • 2Carbon monoxide)

By formula: (Mg+ • CO) + CO = (Mg+ • 2CO)

Quantity Value Units Method Reference Comment
ΔrH°9.2 ± 0.7kcal/molCIDTAndersen, Muntean, et al., 2000RCD

Manganese ion (1+) + Carbon monoxide = (Manganese ion (1+) • Carbon monoxide)

By formula: Mn+ + CO = (Mn+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°7.kcal/molKERDSDearden, Hayashibara, et al., 1989gas phase; ΔrH>; M

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
6.0 (+2.4,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Manganese ion (1+) • Carbon monoxide) + Carbon monoxide = (Manganese ion (1+) • 2Carbon monoxide)

By formula: (Mn+ • CO) + CO = (Mn+ • 2CO)

Quantity Value Units Method Reference Comment
ΔrH°25.kcal/molKERDSDearden, Hayashibara, et al., 1989gas phase; ΔrH<; M

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
15.1 (+2.4,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Manganese ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Manganese ion (1+) • 3Carbon monoxide)

By formula: (Mn+ • 2CO) + CO = (Mn+ • 3CO)

Quantity Value Units Method Reference Comment
ΔrH°31. ± 6.kcal/molKERDSDearden, Hayashibara, et al., 1989gas phase; M

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
17.7 (+2.4,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Manganese ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Manganese ion (1+) • 4Carbon monoxide)

By formula: (Mn+ • 3CO) + CO = (Mn+ • 4CO)

Quantity Value Units Method Reference Comment
ΔrH°20. ± 3.kcal/molKERDSDearden, Hayashibara, et al., 1989gas phase; M

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
15.5 (+2.4,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Manganese ion (1+) • 4Carbon monoxide) + Carbon monoxide = (Manganese ion (1+) • 5Carbon monoxide)

By formula: (Mn+ • 4CO) + CO = (Mn+ • 5CO)

Quantity Value Units Method Reference Comment
ΔrH°16. ± 3.kcal/molKERDSDearden, Hayashibara, et al., 1989gas phase; M

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
28.9 (+2.4,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Manganese ion (1+) • 5Carbon monoxide) + Carbon monoxide = (Manganese ion (1+) • 6Carbon monoxide)

By formula: (Mn+ • 5CO) + CO = (Mn+ • 6CO)

Quantity Value Units Method Reference Comment
ΔrH°32. ± 5.kcal/molKERDSDearden, Hayashibara, et al., 1989gas phase; M

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
34.0 (+2.4,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

Sodium ion (1+) + Carbon monoxide = (Sodium ion (1+) • Carbon monoxide)

By formula: Na+ + CO = (Na+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°7.6 ± 1.9kcal/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°7.6 ± 1.9kcal/molCIDTWalter, Sievers, et al., 1998RCD
ΔrH°12.6kcal/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°20.4cal/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

(Sodium ion (1+) • Carbon monoxide) + Carbon monoxide = (Sodium ion (1+) • 2Carbon monoxide)

By formula: (Na+ • CO) + CO = (Na+ • 2CO)

Quantity Value Units Method Reference Comment
ΔrH°5.7 ± 0.7kcal/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°5.7 ± 0.7kcal/molCIDTWalter, Sievers, et al., 1998RCD
ΔrH°7.5kcal/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°15.1cal/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

Nickel ion (1+) + Carbon monoxide = (Nickel ion (1+) • Carbon monoxide)

By formula: Ni+ + CO = (Ni+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°39. ± 3.kcal/molMKERCarpenter, van Koppen, et al., 1995gas phase; determined from MKER and theory; M

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
41.7 (+2.5,-0.) CIDKhan, Steele, et al., 1995gas phase; guided ion beam CID; M
42.5 (+2.2,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Nickel ion (1+) • Carbon monoxide) + Carbon monoxide = (Nickel ion (1+) • 2Carbon monoxide)

By formula: (Ni+ • CO) + CO = (Ni+ • 2CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
40.1 (+2.5,-0.) CIDKhan, Steele, et al., 1995gas phase; guided ion bema CID; M
40.4 (+2.2,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Nickel ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Nickel ion (1+) • 3Carbon monoxide)

By formula: (Ni+ • 2CO) + CO = (Ni+ • 3CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
21.9 (+1.4,-0.) CIDKhan, Steele, et al., 1995gas phase; guided ion beam CID; M
22.7 (+1.0,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Nickel ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Nickel ion (1+) • 4Carbon monoxide)

By formula: (Ni+ • 3CO) + CO = (Ni+ • 4CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
17.3 (+0.7,-0.) CIDKhan, Steele, et al., 1995gas phase; guided ion beam CID; M
17.2 (+1.2,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

Oxygen anion + Carbon monoxide = (Oxygen anion • Carbon monoxide)

By formula: O2- + CO = (O2- • CO)

Quantity Value Units Method Reference Comment
ΔrH°<13.60kcal/molIMRBAdams and Bohme, 1970gas phase; CO..O2- + O2 -> O4- + CO. G3MP2B3 calculations indicate a HOF(A-) ca. -38 kcal/mol; B

Platinum ion (1+) + Carbon monoxide = (Platinum ion (1+) • Carbon monoxide)

By formula: Pt+ + CO = (Pt+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°50.7 ± 2.4kcal/molCIDTZhang and Armentrout, 2001RCD

(Platinum ion (1+) • Carbon monoxide) + Carbon monoxide = (Platinum ion (1+) • 2Carbon monoxide)

By formula: (Pt+ • CO) + CO = (Pt+ • 2CO)

Quantity Value Units Method Reference Comment
ΔrH°46.1 ± 2.4kcal/molCIDTZhang and Armentrout, 2001RCD

(Platinum ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Platinum ion (1+) • 3Carbon monoxide)

By formula: (Pt+ • 2CO) + CO = (Pt+ • 3CO)

Quantity Value Units Method Reference Comment
ΔrH°23.4 ± 1.2kcal/molCIDTZhang and Armentrout, 2001RCD

(Platinum ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Platinum ion (1+) • 4Carbon monoxide)

By formula: (Pt+ • 3CO) + CO = (Pt+ • 4CO)

Quantity Value Units Method Reference Comment
ΔrH°12.7 ± 1.2kcal/molCIDTZhang and Armentrout, 2001RCD

Pt3- + Carbon monoxide = COPt3-

By formula: Pt3- + CO = COPt3-

Quantity Value Units Method Reference Comment
ΔrH°53.0 ± 6.9kcal/molN/AGrushow and Ervin, 1997gas phase; B

Pt4- + Carbon monoxide = (Pt4- • Carbon monoxide)

By formula: Pt4- + CO = (Pt4- • CO)

Quantity Value Units Method Reference Comment
ΔrH°60.0 ± 9.2kcal/molN/AGrushow and Ervin, 1997gas phase; B

Pt5- + Carbon monoxide = (Pt5- • Carbon monoxide)

By formula: Pt5- + CO = (Pt5- • CO)

Quantity Value Units Method Reference Comment
ΔrH°57.7 ± 9.2kcal/molN/AGrushow and Ervin, 1997gas phase; B

Titanium ion (1+) + Carbon monoxide = (Titanium ion (1+) • Carbon monoxide)

By formula: Ti+ + CO = (Ti+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°28.2 ± 1.4kcal/molCIDTMeyer and Armentrout, 1996RCD

(Titanium ion (1+) • Carbon monoxide) + Carbon monoxide = (Titanium ion (1+) • 2Carbon monoxide)

By formula: (Ti+ • CO) + CO = (Ti+ • 2CO)

Quantity Value Units Method Reference Comment
ΔrH°27.0 ± 1.0kcal/molCIDTMeyer and Armentrout, 1996RCD

(Titanium ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Titanium ion (1+) • 3Carbon monoxide)

By formula: (Ti+ • 2CO) + CO = (Ti+ • 3CO)

Quantity Value Units Method Reference Comment
ΔrH°23.9 ± 1.0kcal/molCIDTMeyer and Armentrout, 1996RCD

(Titanium ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Titanium ion (1+) • 4Carbon monoxide)

By formula: (Ti+ • 3CO) + CO = (Ti+ • 4CO)

Quantity Value Units Method Reference Comment
ΔrH°20.8 ± 1.0kcal/molCIDTMeyer and Armentrout, 1996RCD

(Titanium ion (1+) • 4Carbon monoxide) + Carbon monoxide = (Titanium ion (1+) • 5Carbon monoxide)

By formula: (Ti+ • 4CO) + CO = (Ti+ • 5CO)

Quantity Value Units Method Reference Comment
ΔrH°16.7 ± 1.0kcal/molCIDTMeyer and Armentrout, 1996RCD

(Titanium ion (1+) • 5Carbon monoxide) + Carbon monoxide = (Titanium ion (1+) • 6Carbon monoxide)

By formula: (Ti+ • 5CO) + CO = (Ti+ • 6CO)

Quantity Value Units Method Reference Comment
ΔrH°17.7 ± 0.7kcal/molCIDTMeyer and Armentrout, 1996RCD

(Titanium ion (1+) • 6Carbon monoxide) + Carbon monoxide = (Titanium ion (1+) • 7Carbon monoxide)

By formula: (Ti+ • 6CO) + CO = (Ti+ • 7CO)

Quantity Value Units Method Reference Comment
ΔrH°12.4 ± 1.7kcal/molCIDTMeyer and Armentrout, 1996RCD

Vanadium ion (1+) + Carbon monoxide = (Vanadium ion (1+) • Carbon monoxide)

By formula: V+ + CO = (V+ • CO)

Quantity Value Units Method Reference Comment
ΔrH°28.7 ± 3.3kcal/molCIDArmentrout and Kickel, 1994gas phase; ΔrH(0 K0, guided ion beam CID; M

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
27.0 (+0.7,-0.) CIDSievers and Armentrout, 1995gas phase; guided ion beam CID; M

(Vanadium ion (1+) • Carbon monoxide) + Carbon monoxide = (Vanadium ion (1+) • 2Carbon monoxide)

By formula: (V+ • CO) + CO = (V+ • 2CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
21.7 (+0.7,-0.) CIDSievers and Armentrout, 1995gas phase; guided ion beam CID; M
25.3 (+1.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Vanadium ion (1+) • 2Carbon monoxide) + Carbon monoxide = (Vanadium ion (1+) • 3Carbon monoxide)

By formula: (V+ • 2CO) + CO = (V+ • 3CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
16.6 (+0.9,-0.) CIDSievers and Armentrout, 1995gas phase; guided ion beam CID; M
14.6 (+2.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Vanadium ion (1+) • 3Carbon monoxide) + Carbon monoxide = (Vanadium ion (1+) • 4Carbon monoxide)

By formula: (V+ • 3CO) + CO = (V+ • 4CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
20.5 (+2.3,-0.) CIDSievers and Armentrout, 1995gas phase; guided ion beam CID; M
22.7 (+3.4,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Vanadium ion (1+) • 4Carbon monoxide) + Carbon monoxide = (Vanadium ion (1+) • 5Carbon monoxide)

By formula: (V+ • 4CO) + CO = (V+ • 5CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
21.7 (+0.7,-0.) CIDSievers and Armentrout, 1995gas phase; guided ion beam CID; M
22.2 (+1.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Vanadium ion (1+) • 5Carbon monoxide) + Carbon monoxide = (Vanadium ion (1+) • 6Carbon monoxide)

By formula: (V+ • 5CO) + CO = (V+ • 6CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
23.8 (+1.6,-0.) CIDSievers and Armentrout, 1995gas phase; guided ion beam CID; M
29.6 (+1.9,-0.) CIDArmentrout and Kickel, 1994gas phase; guided ion beam CID; M

(Vanadium ion (1+) • 6Carbon monoxide) + Carbon monoxide = (Vanadium ion (1+) • 7Carbon monoxide)

By formula: (V+ • 6CO) + CO = (V+ • 7CO)

Enthalpy of reaction

ΔrH° (kcal/mol) T (K) Method Reference Comment
12.0 (+2.1,-0.) CIDSievers and Armentrout, 1995gas phase; guided ion beam CID; M

References

Go To: Top, Phase change data, Gas phase ion energetics data, Ion clustering data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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Adams and Bohme, 1970
Adams, N.G.; Bohme, D., Flowing Afterglow Studies of Formation and Reactions of Cluster Ions of O2+, O2-, and O-, J. Chem. Phys., 1970, 52, 6, 3133, https://doi.org/10.1063/1.1673449 . [all data]

Zhang and Armentrout, 2001
Zhang, X.-G.; Armentrout, P.B., Sequential Bond Energies of Pt(CO)x, (x=1-4) Determined by Collision-Induced Dissociation, Organometallics, 2001, 20, 20, 4266, https://doi.org/10.1021/om010390d . [all data]

Meyer and Armentrout, 1996
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Sievers and Armentrout, 1995
Sievers, M.R.; Armentrout, P.B., Collision-Induced Dissociation Studies of V(CO)x+, x = 1-7: Sequential Bond Energies and the Heat of Formation of V(CO)6, J. Phys. Chem., 1995, 99, 20, 8135, https://doi.org/10.1021/j100020a041 . [all data]

Notes

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