CCCBDB listing of experimental data page 2

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Mode Number	Symmetry	Frequency			Intensity			Comment	Description
Mode Number	Symmetry	Fundamental(cm^-1)	Harmonic(cm^-1)	Reference	(km mol^-1)	unc.	Reference	Comment	Description
1	Σ_g	369		1988Bur/Wil:221					CSe₂ s-stretch
2	Σ_u	1302							CSe₂ a-stretch
3	Π	313							bend

Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
rCSe	1.692	0.000	1	2			1988Bur/Wil:221	re

Atom	x (Å)	y (Å)	z (Å)
C1	0.0000	0.0000	0.0000
Se2	0.0000	0.0000	1.6922
Se3	0.0000	0.0000	-1.6922

	C1	Se2	Se3
C1		1.6922	1.6922
Se2	1.6922		3.3843
Se3	1.6922	3.3843

Atom 1	Atom 2
C1	Se2
C1	Se3

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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State	Config	State description	Conf description	Exp. min.	Dipole (Debye)				Reference	comment	Point Group	Components
State	Config	State description	Conf description	Exp. min.	x	y	z	total	Reference	comment	Point Group	dipole	quadrupole
1	1	¹A₁	D_∞h	True							D_∞h	0	1

squib	reference	DOI
1988Bur/Wil:221	H Burger, H Willner "THE HIGH-RESOLUTION FOURIER-TRANSFORM SPECTRUM OF MONOISOTOPIC (CSE2)C-80 IN THE NU-2, NU-3, AND NU-1 + NU-3 REGIONS - EQUILIBRIUM, GROUND, AND EXCITED-STATE PARAMETERS DETERMINED BY ROVIBRATIONAL ANALYSES" J. Mol. Spect. 128, 221-235, 1988	10.1016/0022-2852(88)90220-2
1998Gus/Rui:163	M Gussoni, R Rui, G Zerbi "Electronic and relaxation contribution to linear molecular polarizability. An analysis of the experimental values" J. Mol. Struct. 447 (1998) 163-215	10.1016/S0022-2860(97)00292-5
webbook	NIST Chemistry Webbook (http://webbook.nist.gov/chemistry)	10.18434/T4D303

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Experimental data for CSe2 (Carbon diselenide)

Experimental data for CSe₂ (Carbon diselenide)