Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Methane-d2

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Vibrational and/or electronic energy levels

Go To: Top, References, Notes

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

Data compiled by: Takehiko Shimanouchi

Symmetry:   C2nu     Symmetry Number sigma = 2


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

a1 1 CH2 s-str 2974  C 2976 M gas 2974 gas
a1 2 CD2 s-str 2202  C 2202 W gas
a1 3 CH2 scis 1436  C 1436 W gas
a1 4 CD2 scis 1033  C 1033 S gas 1034 gas
a2 5 CH2 twist 1333  C 1329 W ia gas 1333 gas Observed through Coriolis interaction with «nu»9
b1 6 CH2 a-str 3013  C 3013 S gas
b1 7 CH2 rock 1090  C 1090 S gas 1090 gas
b2 8 CD2 a-str 2234  C 2234 M gas
b2 9 CH2 wag 1234  C 1234 M gas

Source: Shimanouchi, 1972

Notes

SStrong
MMedium
WWeak
iaInactive
C3~6 cm-1 uncertainty

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.

Shimanouchi, 1972
Shimanouchi, T., Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]


Notes

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