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	hartrees
Energy at 0K	-4833.454605
Energy at 298.15K	-4833.450520
HF Energy	-4832.989325
Nuclear repulsion energy	307.522538

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	Σ_g	388	377
2	Σ_u	1382	1341
3	Π_u	351	340
3	Π_u	351	340

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
Se2	0.000	0.000	1.697
Se3	0.000	0.000	-1.697

	C1	Se2	Se3
C1		1.6966	1.6966
Se2	1.6966		3.3933
Se3	1.6966	3.3933

All results from a given calculation for CSe₂ (Carbon diselenide)

using model chemistry: CCSD(T)=FULL/6-31G*

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for CSe2 (Carbon diselenide)

using model chemistry: CCSD(T)=FULL/6-31G*

States and conformations

All results from a given calculation for CSe₂ (Carbon diselenide)