t-HCOOH
Formic acid, trans conformer
Species tag 046506
Version1
Date of EntryJuly 2003
ContributorH. S. P. Müller

The experimental data on this lowest state conformer of HCOOH was summarized by
(1) M. Winnewisser, B. P. Winnewisser, M. Stein, M. Birk, G. Wagner, G. Winnewisser, K. M. T. Yamada, S. P. Belov,and O. Baskakov, 2002 J. Mol. Spectrosc. 216, 259.
Transitions with uncertainties >= 100 kHz have not been merged.
The dipole moment was measured by
(2) H. Kuze, T. Kuga, and T. Shimizu, 1981, J. Mol. Spectrosc. 93, 248.
Lines Listed10317
Frequency / GHz< 3666
Max. J85
log STR0-16.5
log STR1-7.3
Isotope Corr.0.0
Egy / cm-10.0
 µa / D1.421
 µb / D0.21
 µc / D 
 A / MHz77512.24
 B / MHz12055.021
 C / MHz10416.200
 Q(300.0)8901.5559
 Q(225.0)5779.9698
 Q(150.0)3145.8404
 Q(75.00)1112.9140
 Q(37.50)394.2552
 Q(18.75)139.9970
 Q(9.375)49.9396
detected in ISM/CSMyes

Database maintained by Holger S. P. Müller and Sven Thorwirth, programming by D. Roth and F. Schlöder