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	hartrees
Energy at 0K	-77.017308
Energy at 298.15K	-77.017435
HF Energy	-76.763607
Nuclear repulsion energy	23.971767

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3129	2968	2.25
2	A₁	1678	1591	2.37
3	A₁	1432	1358	6.02
4	B₁	981	930	29.83
5	B₂	3219	3053	1.04
6	B₂	1019	966	1.79

Atom	y (Å)	z (Å)
C1	0.000	-0.473
C2	0.000	0.817
H3	0.929	-1.032
H4	-0.929	-1.032

	C1	C2	H3	H4
C1		1.2907	1.0839	1.0839
C2	1.2907		2.0696	2.0696
H3	1.0839	2.0696		1.8574
H4	1.0839	2.0696	1.8574

All results from a given calculation for CCH₂ (vinylidene)

using model chemistry: MP2/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: MP2/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)