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	hartrees
Energy at 0K	-4778.824514
Energy at 298.15K
HF Energy	-4778.544583
Nuclear repulsion energy	298.823077

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	2378	2285	20.25
2	A	792	761	0.10
3	A	378	363	6.83
4	A	314	302	0.01
5	B	2379	2287	23.99
6	B	794	763	11.13

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	1.167	-0.030
Se2	0.000	-1.167	-0.030
H3	1.048	1.337	1.016
H4	-1.048	-1.337	1.016

	Se1	Se2	H3	H4
Se1		2.3335	1.4906	2.9089
Se2	2.3335		2.9089	1.4906
H3	1.4906	2.9089		3.3976
H4	2.9089	1.4906	3.3976

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

using model chemistry: QCISD/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: QCISD/3-21G*

States and conformations

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