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	hartrees
Energy at 0K	-2376.280307
Energy at 298.15K	-2376.279723
HF Energy	-2376.280307
Nuclear repulsion energy	24.901639

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	2674	2350	5.39
2	A₁	1268	1115	16.70
3	B₂	2682	2357	1.33

Atom	y (Å)	z (Å)
Se1	0.000	0.057
H2	1.040	-0.968
H3	-1.040	-0.968

	Se1	H2	H3
Se1		1.4600	1.4600
H2	1.4600		2.0801
H3	1.4600	2.0801

Number	Element	Mulliken
1	Se	-0.018
2	H	0.009
3	H	0.009

All results from a given calculation for H₂Se (Hydrogen selenide)

using model chemistry: mPW1PW91/STO-3G

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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<r²>	15.173
(<r²>)^1/2	3.895

All results from a given calculation for H2Se (Hydrogen selenide)

using model chemistry: mPW1PW91/STO-3G

States and conformations

All results from a given calculation for H₂Se (Hydrogen selenide)