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	hartrees
Energy at 0K	-276.396317
Energy at 298.15K	-276.398600
HF Energy	-275.738524
Nuclear repulsion energy	110.338618

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3271	3138	0.00
2	A_g	1792	1719	0.00
3	A_g	1308	1255	0.00
4	A_g	1170	1122	0.00
5	A_g	556	533	0.00
6	A_u	923	886	55.21
7	A_u	343	330	6.60
8	B_g	812	779	0.00
9	B_u	3262	3129	10.60
10	B_u	1303	1250	44.91
11	B_u	1197	1148	249.66
12	B_u	313	300	13.81

Atom	x (Å)	y (Å)
C1	-0.334	0.580
C2	0.334	-0.580
F3	0.334	1.750
F4	-0.334	-1.750
H5	-1.424	0.666
H6	1.424	-0.666

	C1	C2	F3	F4	H5	H6
C1		1.3381	1.3474	2.3302	1.0934	2.1542
C2	1.3381		2.3302	1.3474	2.1542	1.0934
F3	1.3474	2.3302		3.5637	2.0651	2.6507
F4	2.3302	1.3474	3.5637		2.6507	2.0651
H5	1.0934	2.1542	2.0651	2.6507		3.1435
H6	2.1542	1.0934	2.6507	2.0651	3.1435

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	120.385	C1	C2	H6	124.435
C2	C1	F3	120.385	C2	C1	H5	124.435
F3	C1	H5	115.180	F4	C2	H6	115.180

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

using model chemistry: QCISD/cc-pVDZ

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-, (E)-)

using model chemistry: QCISD/cc-pVDZ

States and conformations

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