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	hartrees
Energy at 0K	-77.007499
Energy at 298.15K	-77.007032
HF Energy	-76.773613
Nuclear repulsion energy	23.576776

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3176	3036	49.97
2	A₁	1682	1608	85.28
3	A₁	1203	1150	20.47
4	B₁	718	686	84.05
5	B₂	3286	3141	27.89
6	B₂	222	212	5.58

Atom	y (Å)	z (Å)
C1	0.000	-0.486
C2	0.000	0.830
H3	0.952	-1.030
H4	-0.952	-1.030

	C1	C2	H3	H4
C1		1.3164	1.0969	1.0969
C2	1.3164		2.0900	2.0900
H3	1.0969	2.0900		1.9050
H4	1.0969	2.0900	1.9050

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C2	C1	H3	119.730		C2	C1	H4	119.730
H3	C1	H4	120.541

All results from a given calculation for CCH₂ (vinylidene)

using model chemistry: MP2/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/cc-pCVDZ

States and conformations

All results from a given calculation for CCH₂ (vinylidene)