Hexamethylphosphoramide

• Formula: C₆H₁₈N₃OP
• Molecular weight: 179.2004
• IUPAC Standard InChI: InChI=1S/C6H18N3OP/c1-7(2)11(10,8(3)4)9(5)6/h1-6H3 Copy

  
• IUPAC Standard InChIKey: GNOIPBMMFNIUFM-UHFFFAOYSA-N Copy
• CAS Registry Number: 680-31-9
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Hexamethylphosphoric triamide; Eastman Inhibitor HPT; ENT 50,882; Hexametapol; Hexamethylphosphorotriamide; HEMPA; HMPA; HMPT; HMPTA; HPT; Phosphoric tris(dimethylamide); Phosphoryl hexamethyltriamide; Tris(dimethylamino)phosphine oxide; Phosphoric triamide, hexamethyl-; Hexamethylphosphoric acid triamide; N,N,N',N',N",N"-Hexamethylphosphoric triamide; Hexamethylphosphotriamide; Hexmethylphosphoramide; Hexamethylorthophosphoric triamide; Phosphoric acid hexamethyltriamide; Phosphoric hexamethyltriamide; Tris(dimethylamino)phosphorus oxide; ENT 50882; Hexamethylfosforamid; Tri(dimethylamino)phosphineoxide; Tris-(dimethylamid) kyseliny fosforecne; Hexamethyltriamidophosphate; N,N,N',N',N",N''-Hexamethylphosphorotriamide; NSC 113131; NSC 7967; N,N,N',N',N'',N''-Hexamethylphosphoric triamide; N,N,N',N',N'',N''-Hexamethylphosphorotriamide; N,N,N',N',N",N'-Hexamethylphosphorotriamide
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• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
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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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
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

Ionization energy determinations

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.

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Worley, Hargis, et al., 1982
Worley, S.D.; Hargis, J.H.; Chang, L.; Mattson, G.A.; Jennings, W.B., The UPS of some compounds containing the heteroatoms phosphorus, nitrogen and oxygen, J. Electron Spectrosc. Relat. Phenom., 1982, 25, 135. [all data]

Cowley, Lattman, et al., 1982
Cowley, A.H.; Lattman, M.; Stricklen, P.M.; Verkade, J.G., UV photoelectron spectroscopic investigation of some polycyclic group 5A compounds and related acyclic species. 1. Free and coordinated aminophosphines and related compounds, Inorg. Chem., 1982, 21, 543. [all data]

Vovna, Lopatin, et al., 1975
Vovna, V.I.; Lopatin, S.N.; Pettsol'd, R.; Vilesov, F.I., Photoelectron spectra and electronic structure of some phosphoryl compounds, Khim. Vys. Energ., 1975, 9, 9. [all data]

Notes

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