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	hartrees
Energy at 0K	-2438.362577
Energy at 298.15K
HF Energy	-2438.362577
Nuclear repulsion energy	82.083390

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A₁	3032	3001	18.75	131.17	0.13	0.22
2	A₁	1413	1398	6.61	10.32	0.59	0.74
3	A₁	914	905	3.38	27.45	0.19	0.32
4	B₁	939	929	42.84	0.27	0.75	0.86
5	B₂	3123	3091	3.48	98.87	0.75	0.86
6	B₂	894	885	4.63	2.40	0.75	0.86

Atom	y (Å)	z (Å)
C1	0.000	-1.388
Se2	0.000	0.361
H3	0.926	-1.977
H4	-0.926	-1.977

	C1	Se2	H3	H4
C1		1.7495	1.0975	1.0975
Se2	1.7495		2.5150	2.5150
H3	1.0975	2.5150		1.8525
H4	1.0975	2.5150	1.8525

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
Se2	C1	H3	122.442		Se2	C1	H4	122.442
H3	C1	H4	115.115

All results from a given calculation for H₂CSe (Selenoformaldehyde)

using model chemistry: PBEPBEultrafine/6-31G(2df,p)

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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Number	Element	Mulliken
1	C	-0.332
2	Se	0.003
3	H	0.164
4	H	0.164

	x	y	z	Total
	0.000	0.000	-1.480	1.480
CHELPG
AIM
ESP

<r²>	40.287
(<r²>)^1/2	6.347

All results from a given calculation for H2CSe (Selenoformaldehyde)

using model chemistry: PBEPBEultrafine/6-31G(2df,p)

States and conformations

All results from a given calculation for H₂CSe (Selenoformaldehyde)