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1,2,5-Oxadiazole


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:   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 CH str 3140  C 3140 VW gas 3144 VS p liq.
a1 2 ip-Ring II 1418  B 1418 S gas 1422 VS p liq.
a1 3 ip-Ring III 1316  B 1316 M gas 1315 VS p liq.
a1 4 CH ip-bend 1038  D 1039 sh gas 1038 W p liq.
a1 5 ip-Ring IV 1006  B 1006 S gas 998 M p liq.
a1 6 ip-Ring VII 872  C 872 S gas 864 M p liq.
a2 7 CH op-bend 824  D 824 sh ia liq. 824 VW dp liq.
a2 8 op-Ring I 635  E  ia OC(2«nu»8,«nu»4+«nu»8,«nu»8+«nu»12)
b1 9 CH str 3133  D 3133 sh liq.
b1 10 ip-Ring I 1546  D 1546 VW liq.
b1 11 CH ip-bend 1177  B 1177 M gas 1172 VW dp liq.
b1 12 ip-Ring V 952  B 952 S gas 951 W dp liq.
b1 13 ip-Ring VI 889  B 889 S gas
b2 14 CH op-bend 839  B 839 VS gas
b2 15 op-Ring II 631  B 631 W gas 626 VW dp liq.

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
WWeak
VWVery weak
iaInactive
shShoulder
pPolarized
dpDepolarized
OCFrequency estimated from an overtone or a combination tone indicated in the parentheses.
B1~3 cm-1 uncertainty
C3~6 cm-1 uncertainty
D6~15 cm-1 uncertainty
E15~30 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

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