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	hartrees
Energy at 0K	-4840.654864
Energy at 298.15K	-4840.650743
HF Energy	-4840.654864
Nuclear repulsion energy	308.594520

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ_g	389	374	0.00
2	Σ_u	1362	1309	565.80
3	Π_u	328	315	7.16
3	Π_u	328	315	7.16

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		3.3816
Se3	1.6908	3.3816

Number	Element	Mulliken
1	C	-0.215
2	Se	0.108
3	Se	0.108

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

using model chemistry: HSEh1PBE/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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<r²>	219.682
(<r²>)^1/2	14.822

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

using model chemistry: HSEh1PBE/cc-pVTZ

States and conformations

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