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	hartrees
Energy at 0K	-4778.796092
Energy at 298.15K
HF Energy	-4778.544990
Nuclear repulsion energy	300.129682

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	2461	2290	17.10
2	A	815	758	0.21
3	A	383	357	7.18
4	A	323	301	0.01
5	B	2461	2290	20.22
6	B	816	759	11.37

Atom	x (Å)	y (Å)	z (Å)
Se1	0.000	1.162	-0.030
Se2	0.000	-1.162	-0.030
H3	1.041	1.334	1.010
H4	-1.041	-1.334	1.010

	Se1	Se2	H3	H4
Se1		2.3237	1.4810	2.8969
Se2	2.3237		2.8969	1.4810
H3	1.4810	2.8969		3.3839
H4	2.8969	1.4810	3.3839

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

using model chemistry: CID/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: CID/3-21G*

States and conformations

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