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	hartrees
Energy at 0K	-274.639009
Energy at 298.15K	-274.641294
HF Energy	-274.226449
Nuclear repulsion energy	108.830311

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3295	3145	0.00
2	A_g	1758	1678	0.00
3	A_g	1358	1296	0.00
4	A_g	1145	1093	0.00
5	A_g	544	520	0.00
6	A_u	989	944	70.98
7	A_u	338	323	9.34
8	B_g	863	824	0.00
9	B_u	3291	3141	6.95
10	B_u	1357	1295	8.50
11	B_u	1185	1132	145.40
12	B_u	305	291	14.23

Atom	x (Å)	y (Å)
C1	-0.335	0.574
C2	0.335	-0.574
F3	0.335	1.785
F4	-0.335	-1.785
H5	-1.413	0.640
H6	1.413	-0.640

	C1	C2	F3	F4	H5	H6
C1		1.3290	1.3844	2.3588	1.0796	2.1278
C2	1.3290		2.3588	1.3844	2.1278	1.0796
F3	1.3844	2.3588		3.6325	2.0898	2.6533
F4	2.3588	1.3844	3.6325		2.6533	2.0898
H5	1.0796	2.1278	2.0898	2.6533		3.1016
H6	2.1278	1.0796	2.6533	2.0898	3.1016

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	120.743	C1	C2	H6	123.791
C2	C1	F3	120.743	C2	C1	H5	123.791
F3	C1	H5	115.466	F4	C2	H6	115.466

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

using model chemistry: MP2/3-21G

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-, (E)-)

using model chemistry: MP2/3-21G

States and conformations

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