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	hartrees
Energy at 0K	-2436.740533
Energy at 298.15K
HF Energy	-2436.740533
Nuclear repulsion energy	83.437882

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	3281	2971	15.88	104.44	0.13	0.23
2	A₁	1593	1442	3.22	3.45	0.74	0.85
3	A₁	1002	908	18.89	54.85	0.22	0.36
4	B₁	1107	1002	47.64	0.72	0.75	0.86
5	B₂	3376	3057	0.78	87.76	0.75	0.86
6	B₂	986	892	3.12	1.17	0.75	0.86

Atom	y (Å)	z (Å)
C1	0.000	-1.366
Se2	0.000	0.355
H3	0.909	-1.943
H4	-0.909	-1.943

	C1	Se2	H3	H4
C1		1.7219	1.0770	1.0770
Se2	1.7219		2.4721	2.4721
H3	1.0770	2.4721		1.8189
H4	1.0770	2.4721	1.8189

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
Se2	C1	H3	122.389		Se2	C1	H4	122.389
H3	C1	H4	115.222

All results from a given calculation for H₂CSe (Selenoformaldehyde)

using model chemistry: HF/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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Calc. vs exp. Bad Vib. HF vs MP2 Bad scale factors Low excited states Oddities NaCN Is not linear FAQ Help Units Choose Units Energy Bond length Rotational Constant Moment of Inertia Dipole and Quadrupole Polarizability Explanations Hartree cm-1 Debye Credits Just show me Show me a calculated geometry Summary Using older interface Limit Basis sets Method options List Recent molecules Choose a few Molecules Number of atoms By heavy atoms Diatomics InChI Deuterated Dimers Geometry Point group Point group count Bonds types Isodesmic reactions Bad point group Multiple conformers, states Vibrations Big anharmonicity Energy Enthalpy at 0 Kelvin Similar molecules Similar Isomers Cis/trans Tautomers Multiple conformers, states Ions, Dipoles, etc. List Ions Ionization changes point group Dipole Quadrupole Polarizability Proton Affinities Index of CCCBDB Feedback Error form Wants
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Number	Element	Mulliken
1	C	-0.353
2	Se	-0.047
3	H	0.200
4	H	0.200

	x	y	z	Total
	0.000	0.000	-1.962	1.962
CHELPG
AIM
ESP

<r²>	39.586
(<r²>)^1/2	6.292

All results from a given calculation for H2CSe (Selenoformaldehyde)

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

States and conformations

All results from a given calculation for H₂CSe (Selenoformaldehyde)