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germanium


Gas phase 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.

Quantity Value Units Method Reference Comment
Deltafgas372. ± 8.kJ/molReviewCox, Wagman, et al., 1984CODATA Review value
Quantity Value Units Method Reference Comment
gas,1 bar167.904 ± 0.005J/mol*KReviewCox, Wagman, et al., 1984CODATA Review value

Condensed phase 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.

Quantity Value Units Method Reference Comment
solid,1 bar31.09 ± 0.15J/mol*KReviewCox, Wagman, et al., 1984CODATA Review value

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 as indicated in comments:
MS - José A. Martinho Simões
B - 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

HGe (g) = Hydrogen atom (g) + germanium (g)

By formula: HGe (g) = H (g) + Ge (g)

Quantity Value Units Method Reference Comment
Deltar>225.kJ/molPIMSRuscic, Schwarz, et al., 1990Temperature: 0 K. A value of 264. kJ/mol is recommended in Ruscic, Schwarz, et al., 1990.; MS

(CAS Reg. No. 64177-44-2 bullet 4294967295germanium) + germanium = CAS Reg. No. 64177-44-2

By formula: (CAS Reg. No. 64177-44-2 bullet 4294967295Ge) + Ge = CAS Reg. No. 64177-44-2

Quantity Value Units Method Reference Comment
Deltar341. ± 10.kJ/molN/AArnold, Xu, et al., 1995gas phase; B

(Ge3- bullet 4294967295germanium) + germanium = Ge3-

By formula: (Ge3- bullet 4294967295Ge) + Ge = Ge3-

Quantity Value Units Method Reference Comment
Deltar386. ± 10.kJ/molN/ABurton, Xu, et al., 1996gas phase; B

(CAS Reg. No. 78413-15-7 bullet 4294967295germanium) + germanium = CAS Reg. No. 78413-15-7

By formula: (CAS Reg. No. 78413-15-7 bullet 4294967295Ge) + Ge = CAS Reg. No. 78413-15-7

Quantity Value Units Method Reference Comment
Deltar335. ± 5.9kJ/molN/ABurton, Xu, et al., 1996gas phase; B

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Cox, Wagman, et al., 1984
Cox, J.D.; Wagman, D.D.; Medvedev, V.A., CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1984, 1. [all data]

Ruscic, Schwarz, et al., 1990
Ruscic, B.; Schwarz, M.; Berkowitz, J., Photoionization studies of GeHn(n = 2-4), J. Chem. Phys., 1990, 92, 1865. [all data]

Arnold, Xu, et al., 1995
Arnold, C.C.; Xu, C.S.; Burton, G.R.; Neumark, D.M., Study of the low-lying states of Ge-2 and Ge-2(-) using negative ion zero electron kinetic energy spectroscopy, J. Chem. Phys., 1995, 102, 18, 6982, https://doi.org/10.1063/1.469091 . [all data]

Burton, Xu, et al., 1996
Burton, G.R.; Xu, C.; Arnold, C.C.; Neumark, D.M., Photoelectron Spectroscopy and Zero Kinetic Energy Spectroscopy of Germanium Cluster Anions, J. Chem. Phys., 1996, 104, 8, 2757, https://doi.org/10.1063/1.471098 . [all data]


Notes

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