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	hartrees
Energy at 0K	-4801.366734
Energy at 298.15K
HF Energy	-4800.950521
Nuclear repulsion energy	300.950824

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	2542	2364	10.38
2	A	790	735	0.13
3	A	374	348	6.17
4	A	311	289	0.04
5	B	2544	2365	13.59
6	B	787	732	11.12

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	1.161	-0.029
Se2	0.000	-1.161	-0.029
H3	1.022	1.326	0.990
H4	-1.022	-1.326	0.990

	Se1	Se2	H3	H4
Se1		2.3215	1.4525	2.8751
Se2	2.3215		2.8751	1.4525
H3	1.4525	2.8751		3.3477
H4	2.8751	1.4525	3.3477

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

using model chemistry: CISD/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: CISD/cc-pVTZ

States and conformations

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