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	hartrees
Energy at 0K	-272.179398
Energy at 298.15K	-272.181533
Nuclear repulsion energy	109.583461

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3397	3397	1.41
2	A₁	1783	1783	2.56
3	A₁	1311	1311	3.41
4	A₁	1049	1049	3.96
5	A₁	220	220	0.83
6	A₂	905	905	0.00
7	A₂	461	461	0.00
8	B₁	771	771	4.65
9	B₂	3380	3380	1.32
10	B₂	1556	1556	17.33
11	B₂	1189	1189	1.27
12	B₂	747	747	9.55

Atom	y (Å)	z (Å)
C1	0.685	0.589
C2	-0.685	0.589
F3	1.452	-0.565
F4	-1.452	-0.565
H5	1.249	1.548
H6	-1.249	1.548

	C1	C2	F3	F4	H5	H6
C1		1.3693	1.3856	2.4280	1.1131	2.1587
C2	1.3693		2.4280	1.3856	2.1587	1.1131
F3	1.3856	2.4280		2.9032	2.1230	3.4293
F4	2.4280	1.3856	2.9032		3.4293	2.1230
H5	1.1131	2.1587	2.1230	3.4293		2.4983
H6	2.1587	1.1131	3.4293	2.1230	2.4983

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	123.609	C1	C2	H6	120.474
C2	C1	F3	123.609	C2	C1	H5	120.474
F3	C1	H5	115.917	F4	C2	H6	115.917

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

using model chemistry: CCD/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: CCD/STO-3G

States and conformations

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