(CH3)2Ge=CH2

Formula: C₃H₈Ge
Molecular weight: 116.74
CAS Registry Number: 82064-99-1
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Data at other public NIST sites:
- Gas Phase Kinetics Database
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Gas phase ion energetics data

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Data evaluated by: Edward P. Hunter and Sharon G. Lias

Quantity	Value	Units	Method	Reference	Comment
Proton affinity (review)	851.1	kJ/mol	N/A	Hunter and Lias, 1998
Quantity	Value	Units	Method	Reference	Comment
Gas basicity	822.2	kJ/mol	N/A	Hunter and Lias, 1998

Vibrational and/or electronic energy levels

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Data compiled by: Marilyn E. Jacox

State: X

Vib. sym.	Approximate type of mode	cm^-1	Med.	Method	References


a₁	=CH₂ a-stretch	3008.0	Ar	IR	Khabashesku, Kudin, et al., 1998
	CH s-stretch	2973.3	Ar	IR	Khabashesku, Kudin, et al., 1998
	CH₂ scissors	1348.3	Ar	IR	Khabashesku, Kudin, et al., 1998
	Mixed	847.3	Ar	IR	Khabashesku, Kudin, et al., 1998
	Ge=C stretch	818.8	Ar	IR	Khabashesku, Kudin, et al., 1998
	Ge-C s-stretch	576.0	Ar	IR	Khabashesku, Kudin, et al., 1998
b₁	CH a-stretch	2927.9	Ar	IR	Khabashesku, Kudin, et al., 1998
	CH₃ deform.	1416.8	Ar	IR	Khabashesku, Kudin, et al., 1998
	CH₂ wag	596.0	Ar	IR	Khabashesku, Kudin, et al., 1998
b₂	CH a-stretch	2874.0	Ar	IR	Khabashesku, Kudin, et al., 1998
	CH₃ rock	1241.7	Ar	IR	Khabashesku, Kudin, et al., 1998
	Deformation	804.4	Ar	IR	Khabashesku, Kudin, et al., 1998
	Ge-C a-stretch	580.1	Ar	IR	Khabashesku, Kudin, et al., 1998

Additional references: Jacox, 2003, page 386

References

Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes

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]

Khabashesku, Kudin, et al., 1998
Khabashesku, V.N.; Kudin, K.N.; Tamas, J.; Boganov, S.E.; Margrave, J.L.; Nefedov, O.M., Transient 1,1-Dimethyl-1-germene, (CH, J. Am. Chem. Soc., 1998, 120, 20, 5005, https://doi.org/10.1021/ja971134o . [all data]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]

Notes

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Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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