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	hartrees
Energy at 0K	-276.518888
Energy at 298.15K	-276.521261
Nuclear repulsion energy	113.201777

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁	3256	3256
2	A₁	1755	1755
3	A₁	1289	1289
4	A₁	1020	1020
5	A₁	232	232
6	A₂	827	827
7	A₂	494	494
8	B₁	781	781
9	B₂	3231	3231
10	B₂	1402	1402
11	B₂	1154	1154
12	B₂	771	771

Atom	y (Å)	z (Å)
C1	0.668	0.580
C2	-0.668	0.580
F3	1.388	-0.552
F4	-1.388	-0.552
H5	1.252	1.494
H6	-1.252	1.494

	C1	C2	F3	F4	H5	H6
C1		1.3368	1.3413	2.3471	1.0845	2.1269
C2	1.3368		2.3471	1.3413	2.1269	1.0845
F3	1.3413	2.3471		2.7751	2.0508	3.3399
F4	2.3471	1.3413	2.7751		3.3399	2.0508
H5	1.0845	2.1269	2.0508	3.3399		2.5041
H6	2.1269	1.0845	3.3399	2.0508	2.5041

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	122.422	C1	C2	H6	122.559
C2	C1	F3	122.422	C2	C1	H5	122.559
F3	C1	H5	115.020	F4	C2	H6	115.020

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

using model chemistry: QCISD(T)/6-311G**

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(T)/6-311G**

States and conformations

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