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	hartrees
Energy at 0K	-272.182074
Energy at 298.15K	-272.184198
Nuclear repulsion energy	109.555693

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3392	3392	1.64
2	A₁	1785	1785	2.91
3	A₁	1311	1311	3.59
4	A₁	1048	1048	4.34
5	A₁	220	220	0.82
6	A₂	888	888	0.00
7	A₂	456	456	0.00
8	B₁	770	770	4.98
9	B₂	3372	3372	6.26
10	B₂	1552	1552	18.75
11	B₂	1187	1187	4.07
12	B₂	747	747	8.69

Atom	y (Å)	z (Å)
C1	0.685	0.589
C2	-0.685	0.589
F3	1.453	-0.565
F4	-1.453	-0.565
H5	1.249	1.548
H6	-1.249	1.548

	C1	C2	F3	F4	H5	H6
C1		1.3690	1.3860	2.4287	1.1134	2.1588
C2	1.3690		2.4287	1.3860	2.1588	1.1134
F3	1.3860	2.4287		2.9053	2.1230	3.4302
F4	2.4287	1.3860	2.9053		3.4302	2.1230
H5	1.1134	2.1588	2.1230	3.4302		2.4986
H6	2.1588	1.1134	3.4302	2.1230	2.4986

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	123.656	C1	C2	H6	120.482
C2	C1	F3	123.656	C2	C1	H5	120.482
F3	C1	H5	115.862	F4	C2	H6	115.862

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

using model chemistry: QCISD/STO-3G

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/STO-3G

States and conformations

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