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:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Reaction thermochemistry data
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
• Options:
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Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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Phase change 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 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 (atm)
    T = temperature (K)

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Enthalpy of sublimation

Enthalpy of phase transition

Entropy of phase transition

Gas phase ion energetics data

Go To: Top, Phase change 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 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, Phase change 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. 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]

Finke, Todd, et al., 1970, 2
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]

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]

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]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  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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