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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, NIST Free Links, References, Notes

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

Quantity Value Units Method Reference Comment
Deltafgas565. ± 5.kJ/molReviewCox, Wagman, et al., 1984CODATA Review value
Deltafgas560.00kJ/molReviewChase, 1998Data last reviewed in June, 1983
Quantity Value Units Method Reference Comment
gas,1 bar153.436 ± 0.015J/mol*KReviewCox, Wagman, et al., 1984CODATA Review value
gas,1 bar153.44J/mol*KReviewChase, 1998Data last reviewed in June, 1983

Gas Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 4137.895 - 6000.
A 20.65193
B 0.226427
C -0.112330
D 0.016889
E 0.008714
F 553.8654
G 178.4179
H 559.9991
ReferenceChase, 1998
Comment Data last reviewed in June, 1983

Condensed phase thermochemistry data

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

Quantity Value Units Method Reference Comment
Deltafliquid48.93kJ/molReviewChase, 1998Data last reviewed in June, 1983
Quantity Value Units Method Reference Comment
liquid,1 bar26.54J/mol*KReviewChase, 1998Data last reviewed in June, 1983
Quantity Value Units Method Reference Comment
solid,1 bar5.90 ± 0.08J/mol*KReviewCox, Wagman, et al., 1984 rhombic phase; CODATA Review value

Liquid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 2350. - 4137.895
A 31.75003
B 2.556177×10-7
C -6.456792×10-8
D 5.616644×10-9
E 2.705970×10-7
F 27.94205
G 46.94741
H 48.92686
ReferenceChase, 1998
Comment Data last reviewed in June, 1983

Solid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. - 1800.1800. - 2350.
A 10.1857425.12664
B 29.244151.975493
C -18.021370.338395
D 4.212326-0.040032
E -0.550999-2.635578
F -6.036299-14.43597
G 7.08907725.59930
H 0.0000000.000000
ReferenceChase, 1998Chase, 1998
Comment «beta»-rhombohedral phase; Data last reviewed in June, 1983 «beta»-rhombohedral phase; Data last reviewed in June, 1983

Reaction thermochemistry data

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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. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

(B+ bullet 10boron) + boron = (B+ bullet 11boron)

By formula: (B+ bullet 10B) + B = (B+ bullet 11B)

Quantity Value Units Method Reference Comment
Deltar531. ± 50.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<; M

(B+ bullet 11boron) + boron = (B+ bullet 12boron)

By formula: (B+ bullet 11B) + B = (B+ bullet 12B)

Quantity Value Units Method Reference Comment
Deltar770. ± 150.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<; M

(B+ bullet 9boron) + boron = (B+ bullet 10boron)

By formula: (B+ bullet 9B) + B = (B+ bullet 10B)

Quantity Value Units Method Reference Comment
Deltar540. ± 75.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<; M

(B+ bullet 2boron) + boron = (B+ bullet 3boron)

By formula: (B+ bullet 2B) + B = (B+ bullet 3B)

Quantity Value Units Method Reference Comment
Deltar770. ± 150.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<; M

(B+ bullet 3boron) + boron = (B+ bullet 4boron)

By formula: (B+ bullet 3B) + B = (B+ bullet 4B)

Quantity Value Units Method Reference Comment
Deltar686. ± 59.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<; M

(B+ bullet 5boron) + boron = (B+ bullet 6boron)

By formula: (B+ bullet 5B) + B = (B+ bullet 6B)

Quantity Value Units Method Reference Comment
Deltar531. ± 67.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<; M

(B+ bullet 8boron) + boron = (B+ bullet 9boron)

By formula: (B+ bullet 8B) + B = (B+ bullet 9B)

Quantity Value Units Method Reference Comment
Deltar523. ± 50.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<; M

(B+ bullet 4boron) + boron = (B+ bullet 5boron)

By formula: (B+ bullet 4B) + B = (B+ bullet 5B)

Quantity Value Units Method Reference Comment
Deltar260. ± 59.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<; M

(B+ bullet 6boron) + boron = (B+ bullet 7boron)

By formula: (B+ bullet 6B) + B = (B+ bullet 7B)

Quantity Value Units Method Reference Comment
Deltar410. ± 50.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<; M

(B+ bullet 7boron) + boron = (B+ bullet 8boron)

By formula: (B+ bullet 7B) + B = (B+ bullet 8B)

Quantity Value Units Method Reference Comment
Deltar380. ± 50.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<; M

(B+ bullet boron) + boron = (B+ bullet 2boron)

By formula: (B+ bullet B) + B = (B+ bullet 2B)

Quantity Value Units Method Reference Comment
Deltar410. ± 67.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<; M

(CAS Reg. No. 12513-02-9 bullet 4294967295boron) + boron = CAS Reg. No. 12513-02-9

By formula: (CAS Reg. No. 12513-02-9 bullet 4294967295B) + B = CAS Reg. No. 12513-02-9

Quantity Value Units Method Reference Comment
Deltar905. ± 12.kJ/molN/AWenthold, Kim, et al., 1997gas phase; B

B+ + boron = (B+ bullet boron)

By formula: B+ + B = (B+ bullet B)

Quantity Value Units Method Reference Comment
Deltar75. ± 59.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<; M

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, NIST Free Links, 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:
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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 B+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)8.29803 ± 0.00002eVN/AN/AL

Electron affinity determinations

EA (eV) Method Reference Comment
0.279743 ± 0.000044LPDScheer, Bilodeau, et al., 1998tunable IR laser; B
0.278 ± 0.010LPESFeigerle, Corderman, et al., 1981B
<0.500002PDFeldmann, Rackwitz, et al., 1977B

Ionization energy determinations

IE (eV) Method Reference Comment
8.29803EVALLide, 1992LL
8.298SKelly, 1987LBLHLM
8.0EIMurad and Hildenbrand, 1975LLK
8.29802 ± 0.00002SBrown, Tilford, et al., 1974LLK
8.6 ± 0.4EIGingerich, 1971LLK
8.298SMoore, 1970RDSH

Ion clustering data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, NIST Free Links, References, Notes

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

Data compiled by: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

B+ + boron = (B+ bullet boron)

By formula: B+ + B = (B+ bullet B)

Quantity Value Units Method Reference Comment
Deltar75. ± 59.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<

(B+ bullet boron) + boron = (B+ bullet 2boron)

By formula: (B+ bullet B) + B = (B+ bullet 2B)

Quantity Value Units Method Reference Comment
Deltar410. ± 67.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<

(B+ bullet 2boron) + boron = (B+ bullet 3boron)

By formula: (B+ bullet 2B) + B = (B+ bullet 3B)

Quantity Value Units Method Reference Comment
Deltar770. ± 150.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<

(B+ bullet 3boron) + boron = (B+ bullet 4boron)

By formula: (B+ bullet 3B) + B = (B+ bullet 4B)

Quantity Value Units Method Reference Comment
Deltar686. ± 59.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<

(B+ bullet 4boron) + boron = (B+ bullet 5boron)

By formula: (B+ bullet 4B) + B = (B+ bullet 5B)

Quantity Value Units Method Reference Comment
Deltar260. ± 59.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<

(B+ bullet 5boron) + boron = (B+ bullet 6boron)

By formula: (B+ bullet 5B) + B = (B+ bullet 6B)

Quantity Value Units Method Reference Comment
Deltar531. ± 67.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<

(B+ bullet 6boron) + boron = (B+ bullet 7boron)

By formula: (B+ bullet 6B) + B = (B+ bullet 7B)

Quantity Value Units Method Reference Comment
Deltar410. ± 50.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<

(B+ bullet 7boron) + boron = (B+ bullet 8boron)

By formula: (B+ bullet 7B) + B = (B+ bullet 8B)

Quantity Value Units Method Reference Comment
Deltar380. ± 50.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<

(B+ bullet 8boron) + boron = (B+ bullet 9boron)

By formula: (B+ bullet 8B) + B = (B+ bullet 9B)

Quantity Value Units Method Reference Comment
Deltar523. ± 50.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<

(B+ bullet 9boron) + boron = (B+ bullet 10boron)

By formula: (B+ bullet 9B) + B = (B+ bullet 10B)

Quantity Value Units Method Reference Comment
Deltar540. ± 75.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<

(B+ bullet 10boron) + boron = (B+ bullet 11boron)

By formula: (B+ bullet 10B) + B = (B+ bullet 11B)

Quantity Value Units Method Reference Comment
Deltar531. ± 50.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<

(B+ bullet 11boron) + boron = (B+ bullet 12boron)

By formula: (B+ bullet 11B) + B = (B+ bullet 12B)

Quantity Value Units Method Reference Comment
Deltar770. ± 150.kJ/molCIDHanley, Whitten, et al., 1988gas phase; «DELTA»rH<

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, NIST Free Links, Notes

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

Cox, Wagman, et al., 1984
Cox, J.D.; Wagman, D.D.; Medvedev, V.A., CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1984, 1. [all data]

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Hanley, Whitten, et al., 1988
Hanley, L.; Whitten, J.L.; Anderson, S.L., Collision - Induced Dissociation and ab initio Studies of Boron Cluster Ions. Determination of Structures and Stabilities, J. Phys. Chem., 1988, 92, 20, 5803, https://doi.org/10.1021/j100331a052 . [all data]

Wenthold, Kim, et al., 1997
Wenthold, P.G.; Kim, J.B.; Jonas, K.-L.; Lineberger, W.C., An Experimental and Computational Study of the Electron Affinity of Boron Oxide, J. Phys. Chem. A, 1997, 101, 24, 4472, https://doi.org/10.1021/jp970645u . [all data]

Scheer, Bilodeau, et al., 1998
Scheer, M.; Bilodeau, R.C.; Haugen, H.K., Negative ion of boron: An experimental study of the P-3 ground state, Phys. Rev. Lett., 1998, 80, 12, 2562-2565, https://doi.org/10.1103/PhysRevLett.80.2562 . [all data]

Feigerle, Corderman, et al., 1981
Feigerle, C.S.; Corderman, R.R.; Lineberger, W.C., Electron affinities of B, Al, Bi, and Pb, J. Chem. Phys., 1981, 74, 2, 1513, https://doi.org/10.1063/1.441174 . [all data]

Feldmann, Rackwitz, et al., 1977
Feldmann, D.; Rackwitz, R.; Heincke, H.; Kaiser, H.J., Photoabsolung von Elektronen der Ionen B-, Ga-, In-, Tl-, Ge-, und Pb-, Z. Naturforschung A, 1977, 32, 302. [all data]

Lide, 1992
Lide, D.R. (Editor), Ionization potentials of atoms and atomic ions in Handbook of Chem. and Phys., 1992, 10-211. [all data]

Kelly, 1987
Kelly, R.L., Atomic and ionic spectrum lines of hydrogen through kryton, J. Phys. Chem. Ref. Data, 1987, 16. [all data]

Murad and Hildenbrand, 1975
Murad, E.; Hildenbrand, D.L., Thermochemical properties of gaseous ZrO and ZrO2, J. Chem. Phys., 1975, 63, 1133. [all data]

Brown, Tilford, et al., 1974
Brown, C.M.; Tilford, S.G.; Ginter, M.L., Absorption spectrum of B I in the 1350-1900-A region, J. Opt. Soc. Am., 1974, 64, 877. [all data]

Gingerich, 1971
Gingerich, K.A., Gaseous metal borides. III. The dissociation energy and heat of formation of gold monoboride, J. Chem. Phys., 1971, 54, 2646. [all data]

Moore, 1970
Moore, C.E., Ionization potentials and ionization limits derived from the analyses of optical spectra, Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.), 1970, 34, 1. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, NIST Free Links, References