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	hartrees
Energy at 0K	-276.097204
Energy at 298.15K	-276.099444
HF Energy	-275.695541
Nuclear repulsion energy	109.168113

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3301	3179	11.09
2	A₁	1689	1627	26.02
3	A₁	1247	1201	16.90
4	A₁	911	877	57.66
5	A₁	222	214	3.32
6	A₂	813	783	0.00
7	A₂	467	450	0.00
8	B₁	770	741	55.25
9	B₂	3267	3147	3.20
10	B₂	1358	1308	11.39
11	B₂	1033	995	81.50
12	B₂	711	685	32.13

Atom	y (Å)	z (Å)
C1	0.677	0.616
C2	-0.677	0.616
F3	1.436	-0.579
F4	-1.436	-0.579
H5	1.285	1.518
H6	-1.285	1.518

	C1	C2	F3	F4	H5	H6
C1		1.3539	1.4163	2.4281	1.0876	2.1590
C2	1.3539		2.4281	1.4163	2.1590	1.0876
F3	1.4163	2.4281		2.8730	2.1029	3.4356
F4	2.4281	1.4163	2.8730		3.4356	2.1029
H5	1.0876	2.1590	2.1029	3.4356		2.5692
H6	2.1590	1.0876	3.4356	2.1029	2.5692

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	122.431	C1	C2	H6	123.968
C2	C1	F3	122.431	C2	C1	H5	123.968
F3	C1	H5	113.601	F4	C2	H6	113.601

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

using model chemistry: MP2/LANL2DZ

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/LANL2DZ

States and conformations

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