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	hartrees
Energy at 0K	-2438.630397
Energy at 298.15K
HF Energy	-2438.630397
Nuclear repulsion energy	82.756980

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3117	2993	17.79
2	A₁	1478	1419	4.98
3	A₁	926	889	3.07
4	B₁	977	938	65.44
5	B₂	3219	3090	0.98
6	B₂	955	917	9.89

Atom	y (Å)	z (Å)
C1	0.000	-1.378
Se2	0.000	0.358
H3	0.925	-1.953
H4	-0.925	-1.953

	C1	Se2	H3	H4
C1		1.7359	1.0895	1.0895
Se2	1.7359		2.4895	2.4895
H3	1.0895	2.4895		1.8504
H4	1.0895	2.4895	1.8504

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
Se2	C1	H3	121.872		Se2	C1	H4	121.872
H3	C1	H4	116.256

All results from a given calculation for H₂CSe (Selenoformaldehyde)

using model chemistry: B3PW91/6-31+G**

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	-0.284
2	Se	-0.083
3	H	0.183
4	H	0.183

	x	y	z	Total
	0.000	0.000	-1.597	1.597
CHELPG
AIM
ESP

<r²>	40.162
(<r²>)^1/2	6.337

All results from a given calculation for H2CSe (Selenoformaldehyde)

using model chemistry: B3PW91/6-31+G**

States and conformations

All results from a given calculation for H₂CSe (Selenoformaldehyde)