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	hartrees
Energy at 0K	-4836.845638
Energy at 298.15K	-4836.841565
HF Energy	-4836.845638
Nuclear repulsion energy	308.599149

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	394	378	0.00
2	Σ_u	1391	1336	485.01
3	Π_u	353	339	4.78
3	Π_u	353	339	4.78

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	0.000
Se2	0.000	0.000	1.691
Se3	0.000	0.000	-1.691

	C1	Se2	Se3
C1		1.6908	1.6908
Se2	1.6908		3.3815
Se3	1.6908	3.3815

Number	Element	Mulliken
1	C	0.124
2	Se	-0.062
3	Se	-0.062

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

using model chemistry: B3LYP/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>	219.495
(<r²>)^1/2	14.815

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

using model chemistry: B3LYP/6-31G*

States and conformations

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