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	hartrees
Energy at 0K	-276.333510
Energy at 298.15K	-276.335865
Nuclear repulsion energy	113.105242

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3285	3129	10.35
2	A₁	1813	1726	37.25
3	A₁	1306	1244	27.87
4	A₁	1045	995	62.78
5	A₁	229	219	2.53
6	A₂	830	790	0.00
7	A₂	487	464	0.00
8	B₁	797	759	31.03
9	B₂	3261	3105	0.52
10	B₂	1436	1367	29.18
11	B₂	1165	1110	91.07
12	B₂	769	732	29.01

Atom	y (Å)	z (Å)
C1	0.665	0.588
C2	-0.665	0.588
F3	1.379	-0.558
F4	-1.379	-0.558
H5	1.263	1.493
H6	-1.263	1.493

	C1	C2	F3	F4	H5	H6
C1		1.3295	1.3507	2.3433	1.0843	2.1294
C2	1.3295		2.3433	1.3507	2.1294	1.0843
F3	1.3507	2.3433		2.7578	2.0539	3.3445
F4	2.3433	1.3507	2.7578		3.3445	2.0539
H5	1.0843	2.1294	2.0539	3.3445		2.5264
H6	2.1294	1.0843	3.3445	2.0539	2.5264

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	121.918	C1	C2	H6	123.499
C2	C1	F3	121.918	C2	C1	H5	123.499
F3	C1	H5	114.583	F4	C2	H6	114.583

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

using model chemistry: QCISD/6-31G*

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/6-31G*

States and conformations

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