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Diphosphene


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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to H2P2+ (ion structure unspecified)

Electron affinity determinations

EA (eV) Method Reference Comment
1.000 ± 0.010LPESErvin and Lineberger, 2005Trans isomer; B
1.030 ± 0.010LPESErvin and Lineberger, 2005cis isomer; B

Ionization energy determinations

IE (eV) Method Reference Comment
10.2 ± 0.2EIFehlner and Callen, 1968RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
P2H+13.3 ± 0.4HEIFehlner and Callen, 1968RDSH
P2+11.9 ± 0.4?EIFehlner and Callen, 1968RDSH

De-protonation reactions

HP2- + Hydrogen cation = H2P2

By formula: HP2- + H+ = H2P2

Quantity Value Units Method Reference Comment
Deltar1490. ± 13.kJ/molG+TSO'Hair, Krempp, et al., 1992gas phase; Acidity between MeNO2, tBuSH; B
Quantity Value Units Method Reference Comment
Deltar1456. ± 13.kJ/molIMRBO'Hair, Krempp, et al., 1992gas phase; Acidity between MeNO2, tBuSH; B

References

Go To: Top, 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.

Ervin and Lineberger, 2005
Ervin, K.M.; Lineberger, W.C., Photoelectron spectroscopy of phosphorus hydride anions, J. Chem. Phys., 2005, 122, 19, 194303, https://doi.org/10.1063/1.1881153 . [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]

O'Hair, Krempp, et al., 1992
O'Hair, R.A.J.; Krempp, M.; Damrauer, R.; Depuy, C.H., Gas-Phase Ion Chemistry of HP2(-), FP2(-), and HP2(+), Inorg. Chem., 1992, 31, 11, 2092, https://doi.org/10.1021/ic00037a021 . [all data]


Notes

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