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	hartrees
Energy at 0K	-77.156961
Energy at 298.15K	-77.157047
HF Energy	-77.156961
Nuclear repulsion energy	23.610176

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3077	2930	2.30
2	A₁	1639	1561	1.90
3	A₁	1411	1343	2.95
4	B₁	839	799	16.64
5	B₂	3157	3006	2.87
6	B₂	999	951	4.66

Atom	y (Å)	z (Å)
C1	0.000	-0.483
C2	0.000	0.832
H3	0.935	-1.047
H4	-0.935	-1.047

	C1	C2	H3	H4
C1		1.3149	1.0923	1.0923
C2	1.3149		2.0988	2.0988
H3	1.0923	2.0988		1.8710
H4	1.0923	2.0988	1.8710

Number	Element	Mulliken
1	C	-0.305
2	C	-0.034
3	H	0.170
4	H	0.170

All results from a given calculation for CCH₂ (vinylidene)

using model chemistry: M06-2X/6-31+G**

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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<r²>	17.372
(<r²>)^1/2	4.168

All results from a given calculation for CCH2 (vinylidene)

using model chemistry: M06-2X/6-31+G**

States and conformations

State 1 (1A1)

State 2 (3B2)

All results from a given calculation for CCH₂ (vinylidene)

State 1 (¹A₁)

State 2 (³B₂)