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	hartrees
Energy at 0K	-276.324828
Energy at 298.15K	-276.327203
HF Energy	-275.719342
Nuclear repulsion energy	113.306408

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3295	3119	9.58
2	A₁	1831	1733	37.50
3	A₁	1312	1242	29.69
4	A₁	1056	1000	63.91
5	A₁	232	219	2.62
6	A₂	843	798	0.00
7	A₂	493	467	0.00
8	B₁	802	759	30.61
9	B₂	3270	3095	0.60
10	B₂	1446	1368	31.06
11	B₂	1177	1114	86.29
12	B₂	774	733	30.00

Atom	y (Å)	z (Å)
C1	0.665	0.581
C2	-0.665	0.581
F3	1.386	-0.554
F4	-1.386	-0.554
H5	1.255	1.493
H6	-1.255	1.493

	C1	C2	F3	F4	H5	H6
C1		1.3303	1.3444	2.3439	1.0855	2.1251
C2	1.3303		2.3439	1.3444	2.1251	1.0855
F3	1.3444	2.3439		2.7714	2.0507	3.3405
F4	2.3439	1.3444	2.7714		3.3405	2.0507
H5	1.0855	2.1251	2.0507	3.3405		2.5092
H6	2.1251	1.0855	3.3405	2.0507	2.5092

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	122.409	C1	C2	H6	122.894
C2	C1	F3	122.409	C2	C1	H5	122.894
F3	C1	H5	114.697	F4	C2	H6	114.697

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

using model chemistry: CCD/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: CCD/6-31G*

States and conformations

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