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	hartrees
Energy at 0K	-77.193804
Energy at 298.15K	-77.193831
HF Energy	-77.193804
Nuclear repulsion energy	23.462895

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3022	2931	3.14
2	A₁	1590	1542	6.58
3	A₁	1365	1324	1.81
4	B₁	693	672	0.01
5	B₂	3102	3009	4.97
6	B₂	975	946	3.11

Atom	y (Å)	z (Å)
C1	0.000	-0.485
C2	0.000	0.836
H3	0.944	-1.054
H4	-0.944	-1.054

	C1	C2	H3	H4
C1		1.3214	1.1024	1.1024
C2	1.3214		2.1130	2.1130
H3	1.1024	2.1130		1.8885
H4	1.1024	2.1130	1.8885

Number	Element	Mulliken
1	C	-0.000
2	C	-0.113
3	H	0.056
4	H	0.056

All results from a given calculation for CCH₂ (vinylidene)

using model chemistry: B3LYPultrafine/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>	17.263
(<r²>)^1/2	4.155

All results from a given calculation for CCH2 (vinylidene)

using model chemistry: B3LYPultrafine/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)