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	hartrees
Energy at 0K	-276.498337
Energy at 298.15K	-276.500751
Nuclear repulsion energy	113.499503

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3277	3127	10.53
2	A₁	1794	1712	44.98
3	A₁	1304	1244	34.03
4	A₁	1034	987	65.35
5	A₁	236	226	2.75
6	A₂	863	823	0.00
7	A₂	507	483	0.00
8	B₁	800	764	35.01
9	B₂	3252	3103	1.52
10	B₂	1417	1352	36.73
11	B₂	1167	1113	107.28
12	B₂	780	745	31.47

Atom	y (Å)	z (Å)
C1	0.665	0.578
C2	-0.665	0.578
F3	1.385	-0.551
F4	-1.385	-0.551
H5	1.248	1.490
H6	-1.248	1.490

	C1	C2	F3	F4	H5	H6
C1		1.3307	1.3385	2.3402	1.0828	2.1200
C2	1.3307		2.3402	1.3385	2.1200	1.0828
F3	1.3385	2.3402		2.7691	2.0460	3.3316
F4	2.3402	1.3385	2.7691		3.3316	2.0460
H5	1.0828	2.1200	2.0460	3.3316		2.4965
H6	2.1200	1.0828	3.3316	2.0460	2.4965

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	122.502	C1	C2	H6	122.571
C2	C1	F3	122.502	C2	C1	H5	122.571
F3	C1	H5	114.927	F4	C2	H6	114.927

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

using model chemistry: QCISD/6-311G**

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: QCISD/6-311G**

States and conformations

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