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	hartrees
Energy at 0K	-276.056813
Energy at 298.15K	-276.059118
HF Energy	-275.632942
Nuclear repulsion energy	110.218144

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3311	3168	5.40
2	A₁	1742	1666	16.19
3	A₁	1294	1238	12.51
4	A₁	962	921	54.53
5	A₁	226	216	3.19
6	A₂	856	819	0.00
7	A₂	467	447	0.00
8	B₁	791	757	37.82
9	B₂	3283	3141	0.93
10	B₂	1412	1351	9.33
11	B₂	1083	1037	63.89
12	B₂	727	696	28.82

Atom	y (Å)	z (Å)
C1	0.670	0.613
C2	-0.670	0.613
F3	1.416	-0.577
F4	-1.416	-0.577
H5	1.277	1.510
H6	-1.277	1.510

	C1	C2	F3	F4	H5	H6
C1		1.3391	1.4051	2.4015	1.0827	2.1428
C2	1.3391		2.4015	1.4051	2.1428	1.0827
F3	1.4051	2.4015		2.8324	2.0914	3.4068
F4	2.4015	1.4051	2.8324		3.4068	2.0914
H5	1.0827	2.1428	2.0914	3.4068		2.5535
H6	2.1428	1.0827	3.4068	2.0914	2.5535

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	122.100	C1	C2	H6	124.109
C2	C1	F3	122.100	C2	C1	H5	124.109
F3	C1	H5	113.792	F4	C2	H6	113.792

All results from a given calculation for C₂H₂F₂ (Ethene, 1,2-difluoro-, (Z)-)

using model chemistry: MP2/6-31G

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 C2H2F2 (Ethene, 1,2-difluoro-, (Z)-)

using model chemistry: MP2/6-31G

States and conformations

All results from a given calculation for C₂H₂F₂ (Ethene, 1,2-difluoro-, (Z)-)