Trimethylamine, compd. with borane (1:1)

• Formula: C₃H₁₂BN
• Molecular weight: 72.945
• IUPAC Standard InChI: InChI=1S/C3H12BN/c1-5(2,3)4/h1-4H3 Copy

  
• IUPAC Standard InChIKey: KQVSXUGMDCAISO-UHFFFAOYSA-N Copy
• CAS Registry Number: 75-22-9
• Chemical structure:
  This structure is also available as a 2d Mol file
• Species with the same structure:
  • Trimethylamine borane
• 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-
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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

Constant pressure heat capacity of solid

Phase change 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Enthalpy of sublimation

Enthalpy of phase transition

Entropy of phase transition

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

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

De-protonation reactions

C₃H₁₁BN^- +  =

By formula: C₃H₁₁BN^- + H⁺ = C₃H₁₂BN

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Notes

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]

Finke, Todd, et al., 1970, 2
Finke, H.L.; Todd, S.S.; Messerly, J.F., Trimethylamineborane and Triethylamineborane: Low-temperature Thermodynamic Properties, J. Chem. Thermodyn., 1970, 2, 129. [all data]

Burg and Schlesinger, 1937
Burg, Anton B.; Schlesinger, H.I., Hydrides of Boron. VII. Evidence of the Transitory Existence of Borine (BH ₃ ): Borine Carbonyl and Borine Trimethylammine, J. Am. Chem. Soc., 1937, 59, 5, 780-787, https://doi.org/10.1021/ja01284a002 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Alton, Brown, et al., 1959
Alton, E.R.; Brown, R.D.; Carter, J.C.; Taylor, R.C., Vapor Pressures of the Methylamine-Boranes and Ammonia-Triborane ¹, J. Am. Chem. Soc., 1959, 81, 14, 3550-3551, https://doi.org/10.1021/ja01523a016 . [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

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• 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)
  Ttriple	Triple point temperature
  ΔHtrs	Enthalpy of phase transition
  ΔStrs	Entropy of phase transition
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔsubH	Enthalpy of sublimation

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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