Phosphine, diethyl-

Formula: C₄H₁₁P
Molecular weight: 90.1039
IUPAC Standard InChI: InChI=1S/C4H11P/c1-3-5-4-2/h5H,3-4H2,1-2H3
IUPAC Standard InChIKey: VZZJVOCVAZHETD-UHFFFAOYSA-N
CAS Registry Number: 627-49-6
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: Diethylphosphine; (C2H5)2PH
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Other data available:
- Mass spectrum (electron ionization)
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Gas phase ion energetics data

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C₄H₁₁P⁺ (ion structure unspecified)

Ionization energy determinations

IE (eV)	Method	Reference	Comment
8.69	PE	Cullen, Frost, et al., 1972	LLK
8.5	EI	Bogolyubov, Grishin, et al., 1969	RDSH
8.5 ± 0.3	EI	Bogolyubov, Grishin, et al., 1969	RDSH

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
CH₂P⁺	18.1 ± 0.3	?	EI	Bogolyubov, Grishin, et al., 1969	RDSH
CH₃P⁺	16.8 ± 0.3	?	EI	Bogolyubov, Grishin, et al., 1969	RDSH
CH₄P⁺	14.4 ± 0.3	?	EI	Bogolyubov, Grishin, et al., 1969	RDSH
C₂H₃⁺	20.4 ± 0.3	?	EI	Bogolyubov, Grishin, et al., 1969	RDSH
C₂H₄P⁺	15.6 ± 0.3	?	EI	Bogolyubov, Grishin, et al., 1969	RDSH
C₂H₅⁺	14.5 ± 0.3	?	EI	Bogolyubov, Grishin, et al., 1969	RDSH
C₂H₅P⁺	12.0 ± 0.3	?	EI	Bogolyubov, Grishin, et al., 1969	RDSH
C₂H₆P⁺	13.7 ± 0.3	?	EI	Bogolyubov, Grishin, et al., 1969	RDSH
C₂H₇P⁺	10.9 ± 0.3	?	EI	Bogolyubov, Grishin, et al., 1969	RDSH
C₃H₆P⁺	13.2 ± 0.3	?	EI	Bogolyubov, Grishin, et al., 1969	RDSH
C₃H₈P⁺	12.1 ± 0.3	CH₃	EI	Bogolyubov, Grishin, et al., 1969	RDSH
C₄H₁₀P⁺	13.2 ± 0.3	H	EI	Bogolyubov, Grishin, et al., 1969	RDSH
PH₃⁺	12.8 ± 0.3	?	EI	Bogolyubov, Grishin, et al., 1969	RDSH

References

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Cullen, Frost, et al., 1972
Cullen, W.R.; Frost, D.C.; Leeder, W.R., The ultraviolet and photoelectron spectra of some unsaturated fluorocarbon derivatives, J. Fluorine Chem., 1972, 1, 227. [all data]

Bogolyubov, Grishin, et al., 1969
Bogolyubov, G.M.; Grishin, N.N.; Petrov, A.A., Organic derivatives of group V and group VI elements. VIII.Mass spectra of phosphines and diphosphines, Zh. Obshch. Khim., 1969, 39, 1808, In original 1772. [all data]

Notes

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Symbols used in this document:

AE Appearance energy
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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