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	hartrees
Energy at 0K	-276.534068
Energy at 298.15K	-276.536638
HF Energy	-275.760833
Nuclear repulsion energy	118.493060

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3282	3085	9.39
2	A₁	1816	1707	251.99
3	A₁	1428	1342	1.01
4	A₁	970	911	57.80
5	A₁	566	532	4.97
6	A₂	746	701	0.00
7	B₁	815	766	74.19
8	B₁	682	641	0.83
9	B₂	3398	3193	1.73
10	B₂	1389	1306	209.12
11	B₂	983	924	9.97
12	B₂	441	415	1.33

Atom	y (Å)	z (Å)
C1	0.000	1.367
C2	0.000	0.048
H3	0.935	1.890
H4	-0.935	1.890
F5	1.078	-0.682
F6	-1.078	-0.682

	C1	C2	H3	H4	F5	F6
C1		1.3198	1.0713	1.0713	2.3153	2.3153
C2	1.3198		2.0663	2.0663	1.3013	1.3013
H3	1.0713	2.0663		1.8701	2.5759	3.2659
H4	1.0713	2.0663	1.8701		3.2659	2.5759
F5	2.3153	1.3013	2.5759	3.2659		2.1555
F6	2.3153	1.3013	3.2659	2.5759	2.1555

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F5	124.086	C1	C2	F6	124.086
C2	C1	H3	119.210	C2	C1	H4	119.210
H3	C1	H4	121.580	F5	C2	F6	111.827

All results from a given calculation for CH₂CF₂ (Ethene, 1,1-difluoro-)

using model chemistry: MP2=FULL/6-31G(2df,p)

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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HF vs MP2 Bad vib. Calc. vs exp. 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All results from a given calculation for CH2CF2 (Ethene, 1,1-difluoro-)

using model chemistry: MP2=FULL/6-31G(2df,p)

States and conformations

All results from a given calculation for CH₂CF₂ (Ethene, 1,1-difluoro-)