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

Furan

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 CH str 3154  D 3154 VS p liq.
a1 2 CH str 3140  D 3140 sh gas
a1 3 ip-Ring II 1491  C 1491 VS gas 1483 VS p liq.
a1 4 ip-Ring III 1384  C 1384 M gas 1380 S p liq.
a1 5 ip-Ring IV 1140  D 1140 sh liq. 1137 VS p liq.
a1 6 CH ip-bend 1066  C 1066 S gas 1061 M p liq.
a1 7 CH ip-bend 995  C 995 VS gas 986 M p liq.
a1 8 ip-Ring VII 871  C 871 S gas
a2 9 CH op-bend 863  C  ia OC(«nu»9+«nu»16, «nu»9+«nu»17, «nu»9+«nu»19, «nu»9+«nu»2)
a2 10 CH op-bend 728  D  ia 728 W dp liq.
a2 11 op-Ring I 613  D  ia 613 VW dp liq.
b1 12 CH str 3161  C 3161 M gas
b1 13 CH str 3129  C 3129 M gas 3121 S dp liq.
b1 14 ip-Ring I 1556  C 1556 W gas
b1 15 CH ip-bend 1267  C 1267 VW gas 1270 VW dp liq.
b1 16 CH ip-bend 1180  C 1180 VS gas 1171 W dp liq.
b1 17 ip-Ring V 1040  D 1040 sh liq. 1034 M dp liq.
b1 18 ip-Ring VI 873  D 873 W dp liq.
b2 19 CH op-bend 838  C 838 VW gas 839 W dp liq.
b2 20 CH op-bend 745  C 745 VS gas
b2 21 op-Ring II 603  C 603 S gas 601 W 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.
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