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	hartrees
Energy at 0K	-277.058917
Energy at 298.15K	-277.061181
HF Energy	-277.058917
Nuclear repulsion energy	111.098915

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3218	3105	0.00
2	A_g	1753	1691	0.00
3	A_g	1310	1264	0.00
4	A_g	1168	1127	0.00
5	A_g	555	536	0.00
6	A_u	932	900	51.54
7	A_u	343	331	3.77
8	B_g	808	780	0.00
9	B_u	3210	3098	15.60
10	B_u	1306	1261	29.21
11	B_u	1199	1157	256.13
12	B_u	302	292	10.10

Atom	x (Å)	y (Å)
C1	-0.329	0.577
C2	0.329	-0.577
F3	0.329	1.743
F4	-0.329	-1.743
H5	-1.409	0.674
H6	1.409	-0.674

	C1	C2	F3	F4	H5	H6
C1		1.3287	1.3386	2.3201	1.0842	2.1415
C2	1.3287		2.3201	1.3386	2.1415	1.0842
F3	1.3386	2.3201		3.5474	2.0399	2.6475
F4	2.3201	1.3386	3.5474		2.6475	2.0399
H5	1.0842	2.1415	2.0399	2.6475		3.1237
H6	2.1415	1.0842	2.6475	2.0399	3.1237

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	120.884	C1	C2	H6	124.824
C2	C1	F3	120.884	C2	C1	H5	124.824
F3	C1	H5	114.291	F4	C2	H6	114.291

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

using model chemistry: TPSSh/6-31G(2df,p)

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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HF vs MP2 Bad vib. Calc. vs exp. 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All results from a given calculation for C2H2F2 (Ethene, 1,2-difluoro-, (E)-)

using model chemistry: TPSSh/6-31G(2df,p)

States and conformations

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