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	hartrees
Energy at 0K	-4833.522292
Energy at 298.15K	-4833.518359
HF Energy	-4833.051146
Nuclear repulsion energy	308.317115

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	Σ_g	390	390
2	Σ_u	1380	1380
3	Π_u	421	421
3	Π_u	421	421

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
Se2	0.000	0.000	1.692
Se3	0.000	0.000	-1.692

	C1	Se2	Se3
C1		1.6923	1.6923
Se2	1.6923		3.3845
Se3	1.6923	3.3845

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

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

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: QCISD(T)=FULL/6-31+G**

States and conformations

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