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	hartrees
Energy at 0K	-4778.795595
Energy at 298.15K
HF Energy	-4778.544994
Nuclear repulsion energy	300.597919

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A	2457	2337	12.20	155.63	0.10	0.18
2	A	805	766	0.07	30.98	0.57	0.73
3	A	387	368	8.12	21.37	0.75	0.86
4	A	324	308	0.01	9.20	0.27	0.43
5	B	2459	2339	14.35	127.09	0.75	0.86
6	B	805	766	10.61	15.59	0.75	0.86

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	1.160	-0.030
Se2	0.000	-1.160	-0.030
H3	1.042	1.332	1.009
H4	-1.042	-1.332	1.009

	Se1	Se2	H3	H4
Se1		2.3196	1.4815	2.8935
Se2	2.3196		2.8935	1.4815
H3	1.4815	2.8935		3.3820
H4	2.8935	1.4815	3.3820

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

using model chemistry: MP2/3-21G*

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: MP2/3-21G*

States and conformations

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