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	hartrees
Energy at 0K	-76.958219
Energy at 298.15K	-76.958301
HF Energy	-76.734048
Nuclear repulsion energy	23.459100

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3105	2950	4.87
2	A₁	1602	1522	4.06
3	A₁	1449	1377	2.50
4	B₁	816	775	21.66
5	B₂	3181	3021	9.67
6	B₂	1035	983	2.23

Atom	y (Å)	z (Å)
C1	0.000	-0.487
C2	0.000	0.839
H3	0.933	-1.056
H4	-0.933	-1.056

	C1	C2	H3	H4
C1		1.3267	1.0929	1.0929
C2	1.3267		2.1127	2.1127
H3	1.0929	2.1127		1.8664
H4	1.0929	2.1127	1.8664

All results from a given calculation for CCH₂ (vinylidene)

using model chemistry: CCSD=FULL/6-31G*

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=FULL/6-31G*

States and conformations

State 1 (1A1)

State 2 (3B2)

All results from a given calculation for CCH₂ (vinylidene)

State 1 (¹A₁)

State 2 (³B₂)