Trimethylamine, compd. with borane (1:1)
- Formula: C3H12BN
- Molecular weight: 72.945
- IUPAC Standard InChIKey: KQVSXUGMDCAISO-UHFFFAOYSA-N
- CAS Registry Number: 75-22-9
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Other names: Boron, (N,N-dimethylmethanamine)trihydro-, (T-4)-; Trimethylamine borane; (CH3)3NBH3; Borane-trimethylamine complex; Borane-trimethylamine (1:1); Methanamine, N,N-dimethyl-, compd. with borane (1:1); Borane, compd. with N,N-dimethylmethanamine (1:1); Borane, compd. with trimethylamine (1:1); TMAB; NSC 10220; trimethylamine--borane (1:1); Boron, (N,N-dimethylmethanamine)trihydro-
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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.
Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°solid,1 bar | 169.58 | J/mol*K | N/A | Finke, Todd, et al., 1970 | crystaline, III phase |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
173.76 | 298.15 | Finke, Todd, et al., 1970 | crystaline, III phase; T = 12 to 390 K. |
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 by: 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
C3H11BN- + =
By formula: C3H11BN- + H+ = C3H12BN
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1645. ± 8.8 | kJ/mol | G+TS | Ren, Workman, et al., 1998 | gas phase; Acid heat est. from B-N bond strength of "35-40 kcal/mol" in Ren, Workman, et al., 1998 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1607. ± 8.4 | kJ/mol | IMRB | Ren, Workman, et al., 1998 | gas phase; Acid heat est. from B-N bond strength of "35-40 kcal/mol" in Ren, Workman, et al., 1998 |
Gas phase ion energetics 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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.3 ± 0.2 | PE | Lloyd and Lynaugh, 1972 | LLK |
De-protonation reactions
C3H11BN- + =
By formula: C3H11BN- + H+ = C3H12BN
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1645. ± 8.8 | kJ/mol | G+TS | Ren, Workman, et al., 1998 | gas phase; Acid heat est. from B-N bond strength of "35-40 kcal/mol" in Ren, Workman, et al., 1998; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1607. ± 8.4 | kJ/mol | IMRB | Ren, Workman, et al., 1998 | gas phase; Acid heat est. from B-N bond strength of "35-40 kcal/mol" in Ren, Workman, et al., 1998; B |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Finke, Todd, et al., 1970
Finke, H.L.; Todd, S.S.; Messerly, J.F.,
Trimethylamineborane and triethylamineborane: low-temperature thermodynamic properties,
J. Chem. Thermodynam., 1970, 2, 129-138. [all data]
Ren, Workman, et al., 1998
Ren, J.H.; Workman, D.B.; Squires, R.R.,
Gas-phase negative ion chemistry of Lewis acid-base complexes,
J. Am. Chem. Soc., 1998, 120, 40, 10511-10522, https://doi.org/10.1021/ja9804518
. [all data]
Lloyd and Lynaugh, 1972
Lloyd, D.R.; Lynaugh, N.,
Photoelectron studies of boron compounds. Part 3. Complexes of borane with Lewis bases,
J. Chem. Soc. Faraday Trans. 2, 1972, 68, 947. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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