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	hartrees
Energy at 0K	-4814.851479
Energy at 298.15K	-4814.847257
HF Energy	-4814.602604
Nuclear repulsion energy	296.522887

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	Σ_g	324	314
2	Σ_u	1286	1247
3	Π_u	319	309
3	Π_u	319	309

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
Se2	0.000	0.000	1.760
Se3	0.000	0.000	-1.760

	C1	Se2	Se3
C1		1.7596	1.7596
Se2	1.7596		3.5191
Se3	1.7596	3.5191

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

using model chemistry: MP4/3-21G

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: MP4/3-21G

States and conformations

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