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H2C=C=Si:


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:   ?


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

Txd = 29400 T Ar 310 340 Maier, Reisenauer, et al., 1994
Maier, Pacl, et al., 1995

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a1 2 C=C stretch 1667.9 s Ar IR Maier, Reisenauer, et al., 1994
Maier, Pacl, et al., 1995
b1 5 CH deform. 957.7 s Ar IR Maier, Reisenauer, et al., 1994
Maier, Pacl, et al., 1995

Additional references: Jacox, 1998, page 279; McCarthy and Thaddeus, 2002

Notes

sStrong
TTentative assignment or approximate value
xEnergy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state.
dPhotodissociation threshold

References

Go To: Top, Vibrational and/or electronic energy levels, Notes

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

Maier, Reisenauer, et al., 1994
Maier, G.; Reisenauer, H.P.; Pacl, H., C2H2Si-Isomere: Erzeugung durch gepulste Blitzpyrolyse und matrixspektroskopische Identifizierung, Angew. Chem., 1994, 106, 12, 1347, https://doi.org/10.1002/ange.19941061226 . [all data]

Maier, Pacl, et al., 1995
Maier, G.; Pacl, H.; Reisenauer, H.P.; Meudt, A.; Janoschek, R., Silacyclopropyne: Matrix Spectroscopic Identification and ab Initio Investigations, J. Am. Chem. Soc., 1995, 117, 51, 12712, https://doi.org/10.1021/ja00156a008 . [all data]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]

McCarthy and Thaddeus, 2002
McCarthy, M.C.; Thaddeus, P., The Rotational Spectra of H2CCSi and H2C4Si, J. Mol. Spectrosc., 2002, 211, 2, 228, https://doi.org/10.1006/jmsp.2001.8467 . [all data]


Notes

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