Ethylenimine

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IR Spectrum

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Data compiled by: Coblentz Society, Inc.


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 σ = 1


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

a' 1 NH str 3338  C 3338 W gas 3302 M p liq.
a' 2 CH2 a-str 3079  D 3079 S gas 3059 M dp liq. OV11)
a' 3 CH2 s-str 3015  D 3015 S gas 2999 VS p liq. OV12)
a' 4 CH2 scis 1482  C 1482 W gas 1471 W p liq.
a' 5 Ring str 1211  C 1211 S gas 1212 VS p liq.
a' 6 CH2 twist 1095  D 1095 S gas 1088 W p liq.
a' 7 CH2 wag 1090  D 1090 S gas 1088 W p liq.
a' 8 NH bend 998  C 998 M gas 1028 W liq.
a' 9 Ring deform 856  C 856 VS gas 855 M dp liq.
a' 10 CH2 rock 773  C 773 S gas 787 W dp liq.
a 11 CH2 a-str 3079  D 3079 S gas 3059 M dp liq. OV2)
a 12 CH2 s-str 3015  D 3015 S gas 2999 VS p liq. OV3)
a 13 CH2 scis 1463  C 1463 W gas 1452 W dp liq.
a 14 CH2 twist 1268  C 1268 M gas 1276 VW liq.
a 15 NH bend 1237  C 1237 M gas 1297 W p liq.
a 16 CH2 wag 1131  C 1131 M gas 1130 VW liq.
a 17 Ring deform 904  C 904 S gas
a 18 CH2 rock 817  D 817 M dp liq.

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
WWeak
VWVery weak
pPolarized
dpDepolarized
OVOverlapped by band indicated in parentheses.
C3~6 cm-1 uncertainty
D6~15 cm-1 uncertainty

References

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