66802

Version	2022.05.hfs
Tag	66802
Molecule - Descriptor	Malononitrile, Propanedinitrile (CH₂(CN)₂) - v=0
Isotope	parent
Hyperfine	Yes
Lines in DB	32112
Frequency max. (MHz)	399430.373
J max.	27
Cite these data as	Motiyenko R.A., Armieieva I.A., Margulès L., Alekseev E.A., Guillemin J.-C. 2019, A&A, 623, A162 https://doi.org/10.1051/0004-6361/201834587

Frequency units

Intensity units

Temperature (K)

Frequency limits

T(K)	Q_t	Q_rot	Q_vib
300.0	11210484.600	1.12104846E7	1.0
225.0	7281423.000	7281423.0	1.0
150.0	3963504.600	3963504.6	1.0
75.0	1401310.800	1401310.8	1.0
37.5	495438.300	495438.3	1.0
18.75	175163.400	175163.4	1.0
9.375	61929.900	61929.9	1.0

Standard CAT file format for quantum numbers

Detailed specifications are provided in the documentation of the SPFIT/SPCAT programs. See, for example, the CDMS website.

Measurements

Hirota E., Morino Y. 1960, Bull. Chem. Soc. Japan, 33, 158–162

Cook R.L., Walden R.T., Jones G.E. 1974, J. Mol. Spec., 53, 370–378

Burie J., Boucher D., Demaison J., Dubrulle A. 1982, Journal de Physique, 43, 1319–1325

Cox A.P., Kawashima Y., Fliege E., Dreizler H. 1985, Zeitschrift f{\"u}r Naturforschung A, 40, 361–367