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	hartrees
Energy at 0K	-274.229106
Energy at 298.15K	-274.231555
HF Energy	-274.229106
Nuclear repulsion energy	110.929566

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3465	3128	0.00
2	A_g	1952	1762	0.00
3	A_g	1444	1303	0.00
4	A_g	1227	1107	0.00
5	A_g	587	530	0.00
6	A_u	1095	988	86.47
7	A_u	370	334	16.32
8	B_g	1010	912	0.00
9	B_u	3459	3122	4.53
10	B_u	1432	1293	13.94
11	B_u	1266	1142	218.54
12	B_u	334	301	19.50

Atom	x (Å)	y (Å)
C1	-0.330	0.560
C2	0.330	-0.560
F3	0.330	1.749
F4	-0.330	-1.749
H5	-1.393	0.633
H6	1.393	-0.633

	C1	C2	F3	F4	H5	H6
C1		1.3003	1.3601	2.3086	1.0648	2.0957
C2	1.3003		2.3086	1.3601	2.0957	1.0648
F3	1.3601	2.3086		3.5592	2.0529	2.6077
F4	2.3086	1.3601	3.5592		2.6077	2.0529
H5	1.0648	2.0957	2.0529	2.6077		3.0595
H6	2.0957	1.0648	2.6077	2.0529	3.0595

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	120.382	C1	C2	H6	124.472
C2	C1	F3	120.382	C2	C1	H5	124.472
F3	C1	H5	115.146	F4	C2	H6	115.146

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

using model chemistry: HF/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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Number	Element	Mulliken
1	C	0.116
2	C	0.116
3	F	-0.382
4	F	-0.382
5	H	0.267
6	H	0.267

	x	y	z
x	2.827	-0.628	0.000
y	-0.628	3.936	0.000
z	0.000	0.000	0.946

<r²>	80.958
(<r²>)^1/2	8.998

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

using model chemistry: HF/3-21G*

States and conformations

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