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	hartrees
Energy at 0K	-77.035540
Energy at 298.15K	-77.035625
HF Energy	-76.760875
Nuclear repulsion energy	23.584579

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3085	2948	4.44
2	A₁	1579	1510	3.67
3	A₁	1420	1357	3.18
4	B₁	819	783	14.81
5	B₂	3164	3024	2.74
6	B₂	1011	966	1.22

Atom	y (Å)	z (Å)
C1	0.000	-0.486
C2	0.000	0.834
H3	0.933	-1.045
H4	-0.933	-1.045

	C1	C2	H3	H4
C1		1.3199	1.0872	1.0872
C2	1.3199		2.0974	2.0974
H3	1.0872	2.0974		1.8654
H4	1.0872	2.0974	1.8654

All results from a given calculation for CCH₂ (vinylidene)

using model chemistry: CCSD/aug-cc-pVTZ

States and conformations

State 1 (¹A₁)

State 2 (³B₂)

	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 CCH2 (vinylidene)

using model chemistry: CCSD/aug-cc-pVTZ

States and conformations

State 1 (1A1)

State 2 (3B2)

All results from a given calculation for CCH₂ (vinylidene)

State 1 (¹A₁)

State 2 (³B₂)