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	hartrees
Energy at 0K	-76.792799
Energy at 298.15K	-76.792718
Nuclear repulsion energy	24.100538

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3271	2972	29.75
2	A₁	1816	1650	69.98
3	A₁	1353	1229	14.98
4	B₁	915	831	80.75
5	B₂	3359	3052	7.54
6	B₂	524	477	16.44

Atom	y (Å)	z (Å)
C1	0.000	-0.474
C2	0.000	0.811
H3	0.933	-1.011
H4	-0.933	-1.011

	C1	C2	H3	H4
C1		1.2859	1.0763	1.0763
C2	1.2859		2.0472	2.0472
H3	1.0763	2.0472		1.8666
H4	1.0763	2.0472	1.8666

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
C2	C1	H3	119.878		C2	C1	H4	119.878
H3	C1	H4	120.245

All results from a given calculation for CCH₂ (vinylidene)

using model chemistry: HF/6-311+G(3df,2p)

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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Number	Element	Mulliken
1	C	0.037
2	C	-0.369
3	H	0.166
4	H	0.166

	x	y	z	Total
	0.000	0.000	-2.389	2.389
CHELPG
AIM
ESP

<r²>	0.000
(<r²>)^1/2	0.000

All results from a given calculation for CCH2 (vinylidene)

using model chemistry: HF/6-311+G(3df,2p)

States and conformations

All results from a given calculation for CCH₂ (vinylidene)