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	hartrees
Energy at 0K	-274.608976
Energy at 298.15K	-274.611445
Nuclear repulsion energy	111.810652

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	3341	3109	7.15
2	A₁	1854	1725	16.23
3	A₁	1379	1284	9.60
4	A₁	1040	967	50.37
5	A₁	235	219	3.34
6	A₂	991	922	0.00
7	A₂	525	488	0.00
8	B₁	864	804	28.06
9	B₂	3310	3080	0.01
10	B₂	1504	1399	13.16
11	B₂	1177	1095	69.65
12	B₂	773	719	24.23

Atom	y (Å)	z (Å)
C1	0.659	0.585
C2	-0.659	0.585
F3	1.422	-0.557
F4	-1.422	-0.557
H5	1.220	1.504
H6	-1.220	1.504

	C1	C2	F3	F4	H5	H6
C1		1.3182	1.3731	2.3738	1.0768	2.0921
C2	1.3182		2.3738	1.3731	2.0921	1.0768
F3	1.3731	2.3738		2.8445	2.0703	3.3510
F4	2.3738	1.3731	2.8445		3.3510	2.0703
H5	1.0768	2.0921	2.0703	3.3510		2.4409
H6	2.0921	1.0768	3.3510	2.0703	2.4409

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	123.766	C1	C2	H6	121.420
C2	C1	F3	123.766	C2	C1	H5	121.420
F3	C1	H5	114.815	F4	C2	H6	114.815

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

using model chemistry: CID/3-21G*

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: CID/3-21G*

States and conformations

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