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	hartrees
Energy at 0K	-276.376416
Energy at 298.15K	-276.378782
Nuclear repulsion energy	112.918475

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3332	3150	5.90
2	A₁	1797	1699	50.82
3	A₁	1299	1228	31.45
4	A₁	1024	968	73.37
5	A₁	237	224	2.43
6	A₂	836	790	0.00
7	A₂	489	462	0.00
8	B₁	782	739	47.55
9	B₂	3309	3128	4.40
10	B₂	1420	1342	32.55
11	B₂	1145	1083	112.48
12	B₂	763	721	30.97

Atom	y (Å)	z (Å)
C1	0.665	0.590
C2	-0.665	0.590
F3	1.382	-0.559
F4	-1.382	-0.559
H5	1.262	1.489
H6	-1.262	1.489

	C1	C2	F3	F4	H5	H6
C1		1.3309	1.3547	2.3483	1.0785	2.1267
C2	1.3309		2.3483	1.3547	2.1267	1.0785
F3	1.3547	2.3483		2.7647	2.0514	3.3447
F4	2.3483	1.3547	2.7647		3.3447	2.0514
H5	1.0785	2.1267	2.0514	3.3447		2.5242
H6	2.1267	1.0785	3.3447	2.0514	2.5242

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	121.952	C1	C2	H6	123.590
C2	C1	F3	121.952	C2	C1	H5	123.590
F3	C1	H5	114.458	F4	C2	H6	114.458

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

using model chemistry: QCISD/6-31+G**

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/6-31+G**

States and conformations

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