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Propane

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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: T. 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 CH3 d-str 2977  C 2977 gas
a1 2 CH3 s-str 2962  D 2962 gas
a1 3 CH2 s-str 2887  C 2887 gas
a1 4 CH3 d-deform 1476  C 1476 gas
a1 5 CH2 scis 1462  C 1462 gas
a1 6 CH3 s-deform 1392  C 1392 gas
a1 7 CH3 rock 1158  C 1158 gas 1152 W liq.
a1 8 CC str 869  C 869 gas 867 S liq.
a1 9 CCC deform 369  C 369 gas 375 W liq.
a2 10 CH3 d-str 2967  C  ia 2967 M liq.
a2 11 CH3 d-deform 1451  C  ia 1451 S liq.
a2 12 CH2 twist 1278  C  ia 1278 W liq.
a2 13 CH3 rock 940  D  ia 940 VW liq.
a2 14 Torsion 216  C  ia MW ( ?/?)
b1 15 CH3 d-str 2968  C 2968 gas
b1 16 CH3 s-str 2887  C 2887 gas OV(«nu»3)
b1 17 CH3 d-deform 1464  C 1464 gas
b1 18 CH3 s-deform 1378  C 1378 gas
b1 19 CH2 wag 1338  C 1338 gas 1338 M liq.
b1 20 CC str 1054  C 1054 gas 1054 M liq.
b1 21 CH3 rock 922  C 922 gas
b2 22 CH3 d-str 2973  C 2973 gas
b2 23 CH2 a-str 2968  C 2968 gas
b2 24 CH3 d-deform 1472  C 1472 gas
b2 25 CH3 rock 1192  C 1192 gas
b2 26 CH2 rock 748  C 748 gas
b2 27 Torsion 268  C MW ( ?/?)

Source: Shimanouchi, 1972

Notes

SStrong
MMedium
WWeak
VWVery weak
iaInactive
OVOverlapped by band indicated in parentheses.
MWTorsional Frequency calculated from microwave spectroscopic data.
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