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Methylamine

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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: Takehiko Shimanouchi

Symmetry:   Cs     Symmetry Number sigma = 1


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

a' 1 NH2 s-str 3361  B 3361 W gas 3360 VS gas
a' 2 CH3 d-str 2961  B 2961 VS gas 2960 VS gas
a' 3 CH3 s-str 2820  B 2820 VS gas 2820 S gas
a' 4 NH2 scis 1623  B 1623 S gas
a' 5 CH3 d-deform 1473  B 1473 S gas 1460 M
a' 6 CH3 s-deform 1430  B 1430 M gas
a' 7 CH3 rock 1130  A 1130 M gas
a' 8 CN str 1044  A 1044 S gas 1044 S
a' 9 NH2 wag 780  A 780 VS gas 781 W
a 10 NH2 a-str 3427  C 3427 W gas 3470 W
a 11 CH3 d-str 2985  C 2985 VS gas
a 12 CH3 d-deform 1485  D 1485 gas Estimated from R()Q) branch frequency
a 13 NH2 twist 1419  D CF
a 14 CH3 rock 1195  D 1195 gas Estimated from R()Q) branch frequency
a 15 Torsion 268  B 268 gas MW: 272«nu»A) 265«nu»E)

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
WWeak
CFCalculated frequency
MWTorsional Frequency calculated from microwave spectroscopic data.
A0~1 cm-1 uncertainty
B1~3 cm-1 uncertainty
C3~6 cm-1 uncertainty
D6~15 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