Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

HCO2 anion


Ion clustering data

Go To: Top, 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

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

HCO2 anion + Hydrogen cyanide = (HCO2 anion bullet Hydrogen cyanide)

By formula: CHO2- + CHN = (CHO2- bullet CHN)

Quantity Value Units Method Reference Comment
Deltar22.0kcal/molPHPMSMeot-ner, 1988gas phase; M,B,M
Quantity Value Units Method Reference Comment
Deltar22.cal/mol*KN/AMeot-ner, Cybulski, et al., 1988gas phase; Entropy change calculated or estimated; M
Deltar21.4cal/mol*KPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar15.6 ± 1.6kcal/molTDAsMeot-ner, Cybulski, et al., 1988gas phase; Entropy of 22.0 eu assumed.; B

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
11.8473.PHPMSMeot-ner, Cybulski, et al., 1988gas phase; Entropy change calculated or estimated; M

(HCO2 anion bullet Hydrogen cyanide) + Hydrogen cyanide = (HCO2 anion bullet 2Hydrogen cyanide)

By formula: (CHO2- bullet CHN) + CHN = (CHO2- bullet 2CHN)

Quantity Value Units Method Reference Comment
Deltar17.8kcal/molPHPMSMeot-ner, 1988gas phase; M,B,M
Quantity Value Units Method Reference Comment
Deltar22.cal/mol*KN/AMeot-ner, Cybulski, et al., 1988gas phase; Entropy change calculated or estimated; M
Deltar23.6cal/mol*KPHPMSMeot-ner, 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar10.70kcal/molTDAsMeot-ner, Cybulski, et al., 1988gas phase; Entropy estimated; B

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
9.6350.PHPMSMeot-ner, Cybulski, et al., 1988gas phase; Entropy change calculated or estimated; M

HCO2 anion + Formic acid = (HCO2 anion bullet Formic acid)

By formula: CHO2- + CH2O2 = (CHO2- bullet CH2O2)

Quantity Value Units Method Reference Comment
Deltar36.8 ± 1.0kcal/molN/AMeot-Ner and Sieck, 1986gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar39.1cal/mol*KPHPMSMeot-Ner and Sieck, 1986gas phase; large «DELTA»rH, «DELTA»rS,; cyclic structure? pyrolysis?; M
Quantity Value Units Method Reference Comment
Deltar25.1 ± 1.6kcal/molTDAsMeot-Ner and Sieck, 1986gas phase; B

(HCO2 anion bullet Formic acid) + Formic acid = (HCO2 anion bullet 2Formic acid)

By formula: (CHO2- bullet CH2O2) + CH2O2 = (CHO2- bullet 2CH2O2)

Quantity Value Units Method Reference Comment
Deltar26.1 ± 3.1kcal/molN/ALuczynski, Wlodek, et al., 1978gas phase; Buffer gas H2. There may be appreciable fractionation of neutral gases: Williamson, Knighton, et al., 1996; B,M
Quantity Value Units Method Reference Comment
Deltar34.cal/mol*KHPMSLuczynski, Wlodek, et al., 1978gas phase; M

(HCO2 anion bullet 2Formic acid) + Formic acid = (HCO2 anion bullet 3Formic acid)

By formula: (CHO2- bullet 2CH2O2) + CH2O2 = (CHO2- bullet 3CH2O2)

Quantity Value Units Method Reference Comment
Deltar20.0 ± 2.6kcal/molN/ALuczynski, Wlodek, et al., 1978gas phase; Buffer gas H2. There may be appreciable fractionation of neutral gases: Williamson, Knighton, et al., 1996; B,M
Quantity Value Units Method Reference Comment
Deltar30.cal/mol*KHPMSLuczynski, Wlodek, et al., 1978gas phase; M

(HCO2 anion bullet 3Formic acid) + Formic acid = (HCO2 anion bullet 4Formic acid)

By formula: (CHO2- bullet 3CH2O2) + CH2O2 = (CHO2- bullet 4CH2O2)

Quantity Value Units Method Reference Comment
Deltar14.2 ± 2.1kcal/molN/ALuczynski, Wlodek, et al., 1978gas phase; Buffer gas H2. There may be appreciable fractionation of neutral gases: Williamson, Knighton, et al., 1996; B,M
Quantity Value Units Method Reference Comment
Deltar21.5cal/mol*KHPMSLuczynski, Wlodek, et al., 1978gas phase; M

(HCO2 anion bullet 4Formic acid) + Formic acid = (HCO2 anion bullet 5Formic acid)

By formula: (CHO2- bullet 4CH2O2) + CH2O2 = (CHO2- bullet 5CH2O2)

Quantity Value Units Method Reference Comment
Deltar10.1 ± 2.0kcal/molN/ALuczynski, Wlodek, et al., 1978gas phase; Buffer gas H2. There may be appreciable fractionation of neutral gases: Williamson, Knighton, et al., 1996; B,M
Quantity Value Units Method Reference Comment
Deltar12.cal/mol*KHPMSLuczynski, Wlodek, et al., 1978gas phase; Entropy change is questionable; M

HCO2 anion + Methyl Alcohol = (HCO2 anion bullet Methyl Alcohol)

By formula: CHO2- + CH4O = (CHO2- bullet CH4O)

Quantity Value Units Method Reference Comment
Deltar17.6 ± 1.0kcal/molN/AMeot-Ner and Sieck, 1986gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar23.6cal/mol*KPHPMSMeot-Ner and Sieck, 1986gas phase; M
Quantity Value Units Method Reference Comment
Deltar10.5 ± 1.6kcal/molTDAsMeot-Ner and Sieck, 1986gas phase; B

(HCO2 anion bullet 4294967295Carbon dioxide) + Carbon dioxide = HCO2 anion

By formula: (CHO2- bullet 4294967295CO2) + CO2 = CHO2-

Quantity Value Units Method Reference Comment
Deltar51.6 ± 2.3kcal/molN/ACaldwell, Renneboog, et al., 1989gas phase; B

HCO2 anion + Water = (HCO2 anion bullet Water)

By formula: CHO2- + H2O = (CHO2- bullet H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar16.0 ± 1.0kcal/molTDAsMeot-Ner and Sieck, 1986gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar23.0cal/mol*KPHPMSMeot-Ner and Sieck, 1986gas phase; M
Quantity Value Units Method Reference Comment
Deltar9.1 ± 1.6kcal/molTDAsMeot-Ner and Sieck, 1986gas phase; B
Deltar8.40 ± 0.20kcal/molN/AViidanoja, Reiner, et al., 2000gas phase; B
Deltar9.20 ± 0.30kcal/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M

(HCO2 anion bullet Water) + Water = (HCO2 anion bullet 2Water)

By formula: (CHO2- bullet H2O) + H2O = (CHO2- bullet 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar13.8 ± 1.5kcal/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity Value Units Method Reference Comment
Deltar6.80 ± 0.30kcal/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M
Deltar6.90 ± 0.20kcal/molN/AViidanoja, Reiner, et al., 2000gas phase; B

(HCO2 anion bullet 2Water) + Water = (HCO2 anion bullet 3Water)

By formula: (CHO2- bullet 2H2O) + H2O = (CHO2- bullet 3H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Deltar12.1 ± 1.5kcal/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B
Quantity Value Units Method Reference Comment
Deltar5.10 ± 0.30kcal/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K; B,M
Deltar5.20 ± 0.20kcal/molN/AViidanoja, Reiner, et al., 2000gas phase; B

References

Go To: Top, Ion clustering data, Notes

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

Meot-ner, 1988
Meot-ner, M., Ionic Hydrogen Bond and Ion Solvation. 6. Interaction Energies of the Acetate Ion with Organic Molecules. Comparison of CH3COO- with Cl-, CN-, and SH-, J. Am. Chem. Soc., 1988, 110, 12, 3854, https://doi.org/10.1021/ja00220a022 . [all data]

Meot-ner, Cybulski, et al., 1988
Meot-ner, M.; Cybulski, S.M.; Scheiner, S.; Liebman, J.F., Is CN- Significantly Anisotropic? Comparison of CN- vs. Cl-: Clustering with HCN and Condensed Phase Thermochemistry, J. Phys. Chem., 1988, 92, 10, 2738, https://doi.org/10.1021/j100321a009 . [all data]

Meot-Ner and Sieck, 1986
Meot-Ner, M.; Sieck, L.W., The ionic hydrogen bond and ion solvation. 5. OH...O- bonds. Gas phase solvation and clustering of alkoxide and carboxylate anions, J. Am. Chem. Soc., 1986, 108, 7525. [all data]

Luczynski, Wlodek, et al., 1978
Luczynski, Z.; Wlodek, S.; Wincel, H., Stabilities of HCOO-.(HCOOH)n and Cl-.(HCOOH)n clusters, Int. J. Mass Spectrom. Ion Phys., 1978, 26, 103. [all data]

Williamson, Knighton, et al., 1996
Williamson, D.H.; Knighton, W.B.; Grimsrud, E.P., Pulsed High Pressure Mass Spectrometry with Near-Viscous Flow Ion Sampling, Int. J. Mass Spectrom. Ion Proc., 1996, 154, 1-2, 15, https://doi.org/10.1016/0168-1176(96)04372-8 . [all data]

Caldwell, Renneboog, et al., 1989
Caldwell, G.; Renneboog, R.; Kebarle, P., Gas Phase Acidities of Aliphatic Carboxylic Acids, Based on Measurements of Proton Transfer Equilibria, Can. J. Chem., 1989, 67, 4, 661, https://doi.org/10.1139/v89-092 . [all data]

Viidanoja, Reiner, et al., 2000
Viidanoja, J.; Reiner, T.; Kiendler, A.; Grimm, F.; Arnold, F., Laboratory investigations of negative ion molecule reactions of propionic, butyric, glyoxylic, pyruvic, and pinonic acids, Int. J. Mass Spectrom., 2000, 194, 1, 53-68, https://doi.org/10.1016/S1387-3806(99)00172-4 . [all data]

Blades, Klassen, et al., 1995
Blades, A.T.; Klassen, J.S.; Kebarle, P., Free Energies of Hydration in the Gas Phase on the Anions of Some Oxo Acids of C, N, S, P, Cl and I, J. Am. Chem. Soc., 1995, 117, 42, 10563, https://doi.org/10.1021/ja00147a019 . [all data]


Notes

Go To: Top, Ion clustering data, References