cyc-C4H5SiH (1,4)

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   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 37000 Ar Khabashesku, Balaji, et al., 1994

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' =CH stretch 3095 w Ar IR Khabashesku, Balaji, et al., 1994
=CH stretch 3061 w Ar IR Khabashesku, Balaji, et al., 1994
=CH stretch 3025 w Ar IR Khabashesku, Balaji, et al., 1994
SiH stretch 2216 m Ar IR Khabashesku, Balaji, et al., 1994
C=C stretch 1543 m Ar IR Khabashesku, Balaji, et al., 1994
CH2 scissors 1426 w Ar IR Khabashesku, Balaji, et al., 1994
=CH bend 1278 w Ar IR Khabashesku, Balaji, et al., 1994
=CH bend 1149 w Ar IR Khabashesku, Balaji, et al., 1994
=CH bend 1103 m Ar IR Khabashesku, Balaji, et al., 1994
=CH bend 985 w Ar IR Khabashesku, Balaji, et al., 1994
Si=C stretch 936 s Ar IR Khabashesku, Balaji, et al., 1994
CH2 rock 859 s Ar IR Khabashesku, Balaji, et al., 1994
Ring deform. 470 w Ar IR Khabashesku, Balaji, et al., 1994
a CH2 stretch 2904 w Ar IR Khabashesku, Balaji, et al., 1994
CH2 wag 1135 w Ar IR Khabashesku, Balaji, et al., 1994
=CH bend 913 m Ar IR Khabashesku, Balaji, et al., 1994
=CH OPLA 742 s Ar IR Khabashesku, Balaji, et al., 1994
=SiH OPLA 597 m Ar IR Khabashesku, Balaji, et al., 1994

Additional references: Jacox, 1998, page 359

Notes

wWeak
mMedium
sStrong
xEnergy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state.

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.

Khabashesku, Balaji, et al., 1994
Khabashesku, V.N.; Balaji, V.; Boganov, S.E.; Nefedov, O.M.; Michl, J., Matrix isolation of silacyclopentadienes: UV-visible and IR spectra and photochemical interconversion, J. Am. Chem. Soc., 1994, 116, 1, 7863, https://doi.org/10.1021/ja00080a037 . [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]

Notes

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