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	hartrees
Energy at 0K	-4796.625506
Energy at 298.15K
HF Energy	-4796.362190
Nuclear repulsion energy	297.284342

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	2457	2323	14.42
2	A	775	733	0.09
3	A	373	353	7.97
4	A	303	286	0.04
5	B	2458	2324	17.54
6	B	775	733	12.32

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	1.176	-0.029
Se2	0.000	-1.176	-0.029
H3	1.029	1.332	0.992
H4	-1.029	-1.332	0.992

	Se1	Se2	H3	H4
Se1		2.3525	1.4583	2.8976
Se2	2.3525		2.8976	1.4583
H3	1.4583	2.8976		3.3674
H4	2.8976	1.4583	3.3674

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

using model chemistry: QCISD/6-31+G**

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/6-31+G**

States and conformations

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