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	hartrees
Energy at 0K	-4778.237688
Energy at 298.15K
HF Energy	-4778.112352
Nuclear repulsion energy	277.029108

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	2105	2046	59.42
2	A	686	667	0.88
3	A	304	295	6.98
4	A	246	239	0.18
5	B	2104	2046	64.63
6	B	684	665	7.42

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	1.268	-0.030
Se2	0.000	-1.268	-0.030
H3	1.068	1.403	1.021
H4	-1.068	-1.403	1.021

	Se1	Se2	H3	H4
Se1		2.5360	1.5048	3.0626
Se2	2.5360		3.0626	1.5048
H3	1.5048	3.0626		3.5266
H4	3.0626	1.5048	3.5266

All results from a given calculation for H₂Se₂ (hydrogen diselenide)

using model chemistry: CCD/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 H2Se2 (hydrogen diselenide)

using model chemistry: CCD/3-21G

States and conformations

All results from a given calculation for H₂Se₂ (hydrogen diselenide)