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	hartrees
Energy at 0K	-77.106340
Energy at 298.15K	-77.106435
HF Energy	-76.764907
Nuclear repulsion energy	23.712113

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3098	3098	4.24
2	A₁	1602	1602	3.50
3	A₁	1430	1430	3.59
4	B₁	852	852	17.44
5	B₂	3178	3178	2.75
6	B₂	1015	1015	1.44

Atom	y (Å)	z (Å)
C1	0.000	-0.482
C2	0.000	0.829
H3	0.929	-1.041
H4	-0.929	-1.041

	C1	C2	H3	H4
C1		1.3115	1.0837	1.0837
C2	1.3115		2.0880	2.0880
H3	1.0837	2.0880		1.8570
H4	1.0837	2.0880	1.8570

All results from a given calculation for CCH₂ (vinylidene)

using model chemistry: CCSD=FULL/cc-pVQZ

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/cc-pVQZ

States and conformations

State 1 (1A1)

State 2 (3B2)

All results from a given calculation for CCH₂ (vinylidene)

State 1 (¹A₁)

State 2 (³B₂)