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Diphosphine


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

H3P2- + Hydrogen cation = Diphosphine

By formula: H3P2- + H+ = H4P2

Quantity Value Units Method Reference Comment
Deltar<1574.9kJ/molAcidSmyth and Brauman, 1972gas phase; PH2- + PH3 ->.

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry 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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to H4P2+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.8PEElbel, Dieck, et al., 1976LLK
9.17 ± 0.05EIFehlner and Callen, 1968RDSH
8.7 ± 0.3EIWada and Kiser, 1964RDSH
10.6 ± 0.3EISaalfeld and Svec, 1963RDSH
9.69PEElbel, Dieck, et al., 1976Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
PH+17.4 ± 0.5?EIFehlner and Callen, 1968RDSH
P2H+14.6 ± 0.3?EIFehlner and Callen, 1968RDSH
P2H+13.2?EIWada and Kiser, 1964RDSH
P2H+13.6 ± 0.3?EISaalfeld and Svec, 1963RDSH
PH2+15.3 ± 0.5?EIFehlner and Callen, 1968RDSH
PH2+12.5 ± 0.2?EISaalfeld and Svec, 1964RDSH
P2H2+11.1 ± 0.2H2EIFehlner and Callen, 1968RDSH
P2H2+10.5H2EIWada and Kiser, 1964RDSH
P2H2+12.7 ± 0.3H2EISaalfeld and Svec, 1963RDSH
P2H3+12.2 ± 0.2HEIFehlner and Callen, 1968RDSH
P2H3+11.3 ± 0.3HEISaalfeld and Svec, 1963RDSH
P+19.4 ± 0.5?EIFehlner and Callen, 1968RDSH
P+16.7 ± 0.3?EISaalfeld and Svec, 1963RDSH
P2+13.2 ± 0.2?EIFehlner and Callen, 1968RDSH
P2+12.2?EIWada and Kiser, 1964RDSH
P2+13.7 ± 0.3?EISaalfeld and Svec, 1963RDSH

De-protonation reactions

H3P2- + Hydrogen cation = Diphosphine

By formula: H3P2- + H+ = H4P2

Quantity Value Units Method Reference Comment
Deltar<1574.9kJ/molAcidSmyth and Brauman, 1972gas phase; PH2- + PH3 ->.; B

References

Go To: Top, 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.

Smyth and Brauman, 1972
Smyth, K.C.; Brauman, J.I., Photodetachment of electrons from phosphide ion the electron affinity of PH2-, J. Chem. Phys., 1972, 56, 1132. [all data]

Elbel, Dieck, et al., 1976
Elbel, S.; Dieck, H.t.; Becker, G.; Ensslin, W., Photoelectron spectra of group 5 compounds. II. Conformational analysis of diphosphine (P2H4), Inorg. Chem., 1976, 15, 1235. [all data]

Fehlner and Callen, 1968
Fehlner, T.P.; Callen, R.B., Mass spectrometry of phosphorus hydrides, Advan. Chem. Ser., 1968, 72, 181. [all data]

Wada and Kiser, 1964
Wada, Y.; Kiser, R.W., Mass spectrometric study of phosphine and diphosphine, Inorg. Chem., 1964, 3, 174. [all data]

Saalfeld and Svec, 1963
Saalfeld, F.E.; Svec, H.J., The mass spectra of volatile hydrides. II. Some higher hydrides of the group IVB and VB elements, Inorg. Chem., 1963, 2, 50. [all data]

Saalfeld and Svec, 1964
Saalfeld, F.E.; Svec, H.J., Mass spectra of volatile hydrides. III. Silylphosphine, Inorg. Chem., 1964, 3, 1442. [all data]


Notes

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