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	hartrees
Energy at 0K	-4795.999580
Energy at 298.15K
HF Energy	-4795.874527
Nuclear repulsion energy	280.317868

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	2223	2142	63.43
2	A	762	734	0.73
3	A	316	305	10.24
4	A	244	235	0.19
5	B	2224	2143	71.98
6	B	763	736	6.76

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	1.253	-0.030
Se2	0.000	-1.253	-0.030
H3	1.062	1.371	1.006
H4	-1.062	-1.371	1.006

	Se1	Se2	H3	H4
Se1		2.5066	1.4879	3.0148
Se2	2.5066		3.0148	1.4879
H3	1.4879	3.0148		3.4687
H4	3.0148	1.4879	3.4687

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

using model chemistry: QCISD/6-31G

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/6-31G

States and conformations

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