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	hartrees
Energy at 0K	-4838.269867
Energy at 298.15K	-4838.265708
HF Energy	-4837.622707
Nuclear repulsion energy	306.678858

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	Σ_g	374	361
2	Σ_u	1325	1281
3	Π_u	319	308
3	Π_u	319	308

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
Se2	0.000	0.000	1.701
Se3	0.000	0.000	-1.701

	C1	Se2	Se3
C1		1.7013	1.7013
Se2	1.7013		3.4026
Se3	1.7013	3.4026

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

using model chemistry: QCISD(T)/aug-cc-pVTZ

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)/aug-cc-pVTZ

States and conformations

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