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	hartrees
Energy at 0K	-77.077354
Energy at 298.15K	-77.076880
HF Energy	-76.773696
Nuclear repulsion energy

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3181	3037	50.60
2	A₁	1685	1608	85.62
3	A₁	1204	1149	20.80
4	B₁	718	685	84.35
5	B₂	3291	3142	28.38
6	B₂	216	206	5.48

Atom	y (Å)	z (Å)
C1	0.000	-0.486
C2	0.000	0.829
H3	0.952	-1.030
H4	-0.952	-1.030

	C1	C2	H3	H4
C1		1.3153	1.0961	1.0961
C2	1.3153		2.0884	2.0884
H3	1.0961	2.0884		1.9037
H4	1.0961	2.0884	1.9037

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C2	C1	H3	119.728		C2	C1	H4	119.728
H3	C1	H4	120.544

All results from a given calculation for CCH₂ (vinylidene)

using model chemistry: MP2=FULL/cc-pCVDZ

States and conformations

	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: MP2=FULL/cc-pCVDZ

States and conformations

All results from a given calculation for CCH₂ (vinylidene)