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	hartrees
Energy at 0K	-4801.441312
Energy at 298.15K
HF Energy	-4800.950455
Nuclear repulsion energy	298.514107

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A	2437	2376
2	A	726	708
3	A	368	358
4	A	292	284
5	B	2443	2381
6	B	743	724

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	1.170	-0.029
Se2	0.000	-1.170	-0.029
H3	1.029	1.326	1.000
H4	-1.029	-1.326	1.000

	Se1	Se2	H3	H4
Se1		2.3409	1.4637	2.8896
Se2	2.3409		2.8896	1.4637
H3	1.4637	2.8896		3.3564
H4	2.8896	1.4637	3.3564

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

using model chemistry: CCSD(T)/cc-pVTZ

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: CCSD(T)/cc-pVTZ

States and conformations

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