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	hartrees
Energy at 0K	-77.022665
Energy at 298.15K	-77.022789
HF Energy	-76.760077
Nuclear repulsion energy	23.824452

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3111	2977	3.85
2	A₁	1632	1561	2.73
3	A₁	1434	1372	5.64
4	B₁	957	916	28.74
5	B₂	3191	3054	2.17
6	B₂	1025	981	1.11

Atom	y (Å)	z (Å)
C1	0.000	-0.478
C2	0.000	0.824
H3	0.930	-1.038
H4	-0.930	-1.038

	C1	C2	H3	H4
C1		1.3011	1.0861	1.0861
C2	1.3011		2.0810	2.0810
H3	1.0861	2.0810		1.8606
H4	1.0861	2.0810	1.8606

All results from a given calculation for CCH₂ (vinylidene)

using model chemistry: CCD/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: CCD/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)