Version	2
Date of Entry	May 2014
Contributor	K. Kobayashi
Lines Listed	3862 (Vt=0,1) 1855 (Vt=2), 59(ν12=1)
Frequency / GHz	2-502(Vt=0,1) 7.6-378.4 (Vt=2) 33.7-195 (ν12=1)
Max J	43 (Vt=0,1) 40 (Vt=2) 18(ν12=1)
Max K	15 (Vt=0,1) 15 (Vt=2) 1(ν12=1)
log STR0
log STR1
Isotope Corr.
Egy / (cm-1)
μa / D
μb / D
μc / D
A / MHz
B / MHz
C / MHz
Q(2000.)
Q(1000.)
Q(500.0)
Q(300.0)
Q(225.0)
Q(150.0)
Q(75.00)
Q(37.50)
Q(18.75)
Q(9.375)
References Note that the partition function only considered the ground state, first and second torsional excited states. Abbreviations of the references for vt=0,1. TYAM: "Global fit of rotational transitions of methyl formate (HCOOCH3) in the ground and first excited torsional states," Kazumi Ogata, Hitoshi Odashima, Kojiro Takagi, Shozo Tsunekawa, Journal of Molecular Spectroscopy, Volume 225, Pages 14-32 (2003). Brown: R.D. Brown, J.G. Crofts, F.F. Gardner, P.D. Godfrey, B.J. Robinson, J.B. Whiteoak, Astrophys. J. 197 (1975) L29-L31. Baud: A. Bauder, J. Phys. Chem. Ref. Data 8 (1979) 583-618. DeM: J. DeMaison, D. Boucher, A. Dubrulle, B.P. Van Eijck, J. Mol. Spectrosc. 102 (1983) 260-263. PluA: G.M. Plummer, E. Herbst, F.C. De Lucia, G.A. Blake, Astrophys. J. Suppl. 55 (1984) 633-656. PluE: G.M. Plummer, E. Herbst, F.C. De Lucia, G.A. Blake, Astrophys. J. Suppl. 60 (1986) 949-961. Oest: L.C. Oesterling, S. Albert, F.C. De Lucia, K.V.L.N. Sastry, E. Herbst, Astrophys. J. 521 (1999) 255-260, and its electronic edition. Abbreviations of the data sources for vt=2. The detailede explanation will be found in the first paper. TYAM, TYAI, TYO: "The Microwave Spectroscopy of Methyl Formate in the Second Torsional Excited State." K. Kobayashi, K. Takamura, Y. Sakai, S. Tsunekawa, H. Odashima, and N. Ohashi, Astrophysical Journal, Supplement Series, 205, 9 (2013). MAEO: A. Maeda, F. C. De Lucia, & E. Herbst, 2008, Journal of Molecular Spectroscopy, Volume 251, 293 (2008). Abbreviations of the data sources for ν12=1. TYAM: Identification of a vibrationally excited level in methyl formate through microwave and far-infrared spectroscopy, Kaori Kobayashi, Yusuke Sakai, Masaharu Fujitake, Dennis W. Tokaryk, Brant E. Billinghurst, Nobukimi Ohashi, Canadian Journal of Physics, 98, 551-554 (2020). (doi:10.1139/cjp-2019-0578)