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	hartrees
Energy at 0K	-77.097414
Energy at 298.15K	-77.097476
HF Energy	-77.097414
Nuclear repulsion energy	23.502457

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3063	2945	2.44
2	A₁	1617	1555	4.43
3	A₁	1367	1315	3.14
4	B₁	782	751	11.39
5	B₂	3151	3030	2.92
6	B₂	974	936	3.30

Atom	y (Å)	z (Å)
C1	0.000	-0.484
C2	0.000	0.835
H3	0.943	-1.052
H4	-0.943	-1.052

	C1	C2	H3	H4
C1		1.3190	1.1009	1.1009
C2	1.3190		2.1094	2.1094
H3	1.1009	2.1094		1.8864
H4	1.1009	2.1094	1.8864

Number	Element	Mulliken
1	C	-0.056
2	C	-0.103
3	H	0.080
4	H	0.080

All results from a given calculation for CCH₂ (vinylidene)

using model chemistry: PBE1PBE/cc-pVDZ

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>	17.209
(<r²>)^1/2	4.148

All results from a given calculation for CCH2 (vinylidene)

using model chemistry: PBE1PBE/cc-pVDZ

States and conformations

State 1 (1A1)

State 2 (3B2)

All results from a given calculation for CCH₂ (vinylidene)

State 1 (¹A₁)

State 2 (³B₂)