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	hartrees
Energy at 0K	-4836.156735
Energy at 298.15K	-4836.152643
HF Energy	-4836.156735
Nuclear repulsion energy	306.292603

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	371	357	0.00
2	Σ_u	1377	1325	404.36
3	Π_u	353	339	6.98
3	Π_u	353	339	6.98

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
Se2	0.000	0.000	1.703
Se3	0.000	0.000	-1.703

	C1	Se2	Se3
C1		1.7035	1.7035
Se2	1.7035		3.4070
Se3	1.7035	3.4070

Number	Element	Mulliken
1	C	-0.618
2	Se	0.309
3	Se	0.309

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

using model chemistry: TPSSh/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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<r²>	222.952
(<r²>)^1/2	14.932

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

using model chemistry: TPSSh/6-31G

States and conformations

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