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	hartrees
Energy at 0K	-276.703751
Energy at 298.15K	-276.706192
HF Energy	-275.833505
Nuclear repulsion energy	114.087081

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3311	3144	5.65
2	A₁	1792	1702	53.05
3	A₁	1312	1245	33.35
4	A₁	1040	987	58.27
5	A₁	235	223	2.17
6	A₂	879	835	0.00
7	A₂	527	500	0.00
8	B₁	804	763	41.42
9	B₂	3281	3115	5.13
10	B₂	1425	1353	32.28
11	B₂	1175	1116	112.56
12	B₂	785	746	28.90

Atom	y (Å)	z (Å)
C1	0.661	0.574
C2	-0.661	0.574
F3	1.381	-0.547
F4	-1.381	-0.547
H5	1.233	1.481
H6	-1.233	1.481

	C1	C2	F3	F4	H5	H6
C1		1.3224	1.3318	2.3295	1.0725	2.1003
C2	1.3224		2.3295	1.3318	2.1003	1.0725
F3	1.3318	2.3295		2.7621	2.0333	3.3084
F4	2.3295	1.3318	2.7621		3.3084	2.0333
H5	1.0725	2.1003	2.0333	3.3084		2.4660
H6	2.1003	1.0725	3.3084	2.0333	2.4660

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	122.719	C1	C2	H6	122.217
C2	C1	F3	122.719	C2	C1	H5	122.217
F3	C1	H5	115.063	F4	C2	H6	115.063

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

using model chemistry: MP2=FULL/cc-pVTZ

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=FULL/cc-pVTZ

States and conformations

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