H2CGe

Vibrational and/or electronic energy levels

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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: Marilyn E. Jacox

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 27330.42 gas B-X 354 367 Harper, Ferrall, et al., 1997
Hostutler, Smith, et al., 1999
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 2 CH2 scissors 1024 gas LF Hostutler, Smith, et al., 1999
3 CGe stretch 548 gas LF Harper, Ferrall, et al., 1997
Hostutler, Smith, et al., 1999
b1 4 OPLA 613 gas LF Hostutler, Smith, et al., 1999
b2 6 CH2 rock 692 gas LF Hostutler, Smith, et al., 1999

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 13263.10 gas B-A 710 830 He, Tackett, et al., 2004
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 2 CH2 scissors 1392.2 gas LF SEP He, Tackett, et al., 2004
3 CGe stretch 591.6 gas LF SEP He, Tackett, et al., 2004
b1 4 OPLA 626.4 gas LF SEP He, Tackett, et al., 2004
b2 6 CH2 rock 648.4 T gas LF SEP He, Tackett, et al., 2004

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 2 CH2 scissors 1238 gas LF Hostutler, Clouthier, et al., 2002
3 CGe stretch 782 gas LF Hostutler, Clouthier, et al., 2002
b1 4 OPLA 673 gas LF Hostutler, Clouthier, et al., 2002
b2 6 CH2 rock 351 gas LF Hostutler, Clouthier, et al., 2002

Additional references: Jacox, 2003, page 170

Notes

TTentative assignment or approximate value
oEnergy separation between the v = 0 levels of the excited and electronic ground states.

References

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

Harper, Ferrall, et al., 1997
Harper, W.W.; Ferrall, E.A.; Hilliard, R.K.; Stogner, S.M.; Grev, R.S.; Clouthier, D.J., Laser Spectroscopic Detection of the Simplest Unsaturated Silylene and Germylene, J. Am. Chem. Soc., 1997, 119, 35, 8361, https://doi.org/10.1021/ja9716012 . [all data]

Hostutler, Smith, et al., 1999
Hostutler, D.A.; Smith, T.C.; Li, H.; Clouthier, D.J., The electronic spectrum, molecular structure, and oscillatory fluorescence decay of jet-cooled germylidene (H[sub 2]C[Double Bond][sup 74]Ge), the simplest unsaturated germylene, J. Chem. Phys., 1999, 111, 3, 950, https://doi.org/10.1063/1.479187 . [all data]

He, Tackett, et al., 2004
He, S.-G.; Tackett, B.S.; Clouthier, D.J., A stimulated emission pumping study of the first excited singlet state of germylidene (H[sub 2]C[Double Bond]Ge), J. Chem. Phys., 2004, 121, 1, 257, https://doi.org/10.1063/1.1758699 . [all data]

Hostutler, Clouthier, et al., 2002
Hostutler, D.A.; Clouthier, D.J.; Pauls, S.W., The ground state of germylidene (H[sub 2]C[Double Bond]Ge), J. Chem. Phys., 2002, 116, 4, 1417, https://doi.org/10.1063/1.1431274 . [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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