boron
- Formula: B
- Molecular weight: 10.811
- IUPAC Standard InChIKey: ZOXJGFHDIHLPTG-UHFFFAOYSA-N
- CAS Registry Number: 7440-42-8
- Chemical structure:
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- Other data available:
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- NIST Atomic Spectra Database - Lines Holdings (on physics web site)
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- NIST Atomic Spectra Database - Ground states and ionization energies (on physics web site)
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Gas phase ion energetics data
Go To: Top, 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:
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 ± 0.00002 | eV | N/A | N/A | L |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.279743 ± 0.000044 | LPD | Scheer, Bilodeau, et al., 1998 | tunable IR laser; B |
0.278 ± 0.010 | LPES | Feigerle, Corderman, et al., 1981 | B |
<0.500002 | PD | Feldmann, Rackwitz, et al., 1977 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.29803 | EVAL | Lide, 1992 | LL |
8.298 | S | Kelly, 1987 | LBLHLM |
8.0 | EI | Murad and Hildenbrand, 1975 | LLK |
8.29802 ± 0.00002 | S | Brown, Tilford, et al., 1974 | LLK |
8.6 ± 0.4 | EI | Gingerich, 1971 | LLK |
8.298 | S | Moore, 1970 | RDSH |
Ion clustering data
Go To: Top, 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 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 75. ± 59. | kJ/mol | CID | Hanley, Whitten, et al., 1988 | gas phase; ΔrH< |
By formula: (B+ • B) + B = (B+ • 2B)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 410. ± 67. | kJ/mol | CID | Hanley, Whitten, et al., 1988 | gas phase; ΔrH< |
By formula: (B+ • 2B) + B = (B+ • 3B)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 770. ± 150. | kJ/mol | CID | Hanley, Whitten, et al., 1988 | gas phase; ΔrH< |
By formula: (B+ • 3B) + B = (B+ • 4B)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 686. ± 59. | kJ/mol | CID | Hanley, Whitten, et al., 1988 | gas phase; ΔrH< |
By formula: (B+ • 4B) + B = (B+ • 5B)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 260. ± 59. | kJ/mol | CID | Hanley, Whitten, et al., 1988 | gas phase; ΔrH< |
By formula: (B+ • 5B) + B = (B+ • 6B)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 531. ± 67. | kJ/mol | CID | Hanley, Whitten, et al., 1988 | gas phase; ΔrH< |
By formula: (B+ • 6B) + B = (B+ • 7B)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 410. ± 50. | kJ/mol | CID | Hanley, Whitten, et al., 1988 | gas phase; ΔrH< |
By formula: (B+ • 7B) + B = (B+ • 8B)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 380. ± 50. | kJ/mol | CID | Hanley, Whitten, et al., 1988 | gas phase; ΔrH< |
By formula: (B+ • 8B) + B = (B+ • 9B)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 523. ± 50. | kJ/mol | CID | Hanley, Whitten, et al., 1988 | gas phase; ΔrH< |
By formula: (B+ • 9B) + B = (B+ • 10B)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 540. ± 75. | kJ/mol | CID | Hanley, Whitten, et al., 1988 | gas phase; ΔrH< |
By formula: (B+ • 10B) + B = (B+ • 11B)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 531. ± 50. | kJ/mol | CID | Hanley, Whitten, et al., 1988 | gas phase; ΔrH< |
By formula: (B+ • 11B) + B = (B+ • 12B)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 770. ± 150. | kJ/mol | CID | Hanley, Whitten, et al., 1988 | gas phase; ΔrH< |
References
Go To: Top, 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.
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]
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]
Notes
Go To: Top, Gas phase ion energetics data, Ion clustering data, References
- Symbols used in this document:
EA Electron affinity IE (evaluated) Recommended ionization energy ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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