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	hartrees
Energy at 0K	-60.427918
Energy at 298.15K	-60.430230
HF Energy	-59.825772
Nuclear repulsion energy	61.907849

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3294	3139	9.12
2	A₁	1740	1658	53.66
3	A₁	1283	1223	40.95
4	A₁	1012	965	64.16
5	A₁	229	219	2.32
6	A₂	765	729	0.00
7	A₂	479	456	0.00
8	B₁	768	732	54.29
9	B₂	3272	3118	4.46
10	B₂	1396	1330	33.51
11	B₂	1144	1090	119.12
12	B₂	761	725	30.07

Atom	y (Å)	z (Å)
C1	0.671	0.590
C2	-0.671	0.590
F3	1.393	-0.559
F4	-1.393	-0.559
H5	1.267	1.495
H6	-1.267	1.495

	C1	C2	F3	F4	H5	H6
C1		1.3414	1.3569	2.3616	1.0837	2.1383
C2	1.3414		2.3616	1.3569	2.1383	1.0837
F3	1.3569	2.3616		2.7852	2.0580	3.3602
F4	2.3616	1.3569	2.7852		3.3602	2.0580
H5	1.0837	2.1383	2.0580	3.3602		2.5332
H6	2.1383	1.0837	3.3602	2.0580	2.5332

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	122.142	C1	C2	H6	123.357
C2	C1	F3	122.142	C2	C1	H5	123.357
F3	C1	H5	114.501	F4	C2	H6	114.501

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

using model chemistry: MP2/CEP-121G*

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/CEP-121G*

States and conformations

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