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	hartrees
Energy at 0K	-277.961438
Energy at 298.15K
HF Energy	-277.038867
Nuclear repulsion energy	125.290883

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3069	3069
2	A_g	1525	1525
3	A_g	1444	1444
4	A_g	1101	1101
5	A_g	1049	1049
6	A_g	455	455
7	A_u	3146	3146
8	A_u	1231	1231
9	A_u	812	812
10	A_u	114	114
11	B_g	3122	3122
12	B_g	1301	1301
13	B_g	1176	1176
14	B_u	3074	3074
15	B_u	1532	1532
16	B_u	1357	1357
17	B_u	1057	1057
18	B_u	273	273

Atom	x (Å)	y (Å)	z (Å)
C1	0.428	0.626	0.000
C2	-0.428	-0.626	0.000
F3	-0.428	1.728	0.000
F4	0.428	-1.728	0.000
H5	1.053	0.673	0.894
H6	1.053	0.673	-0.894
H7	-1.053	-0.673	0.894
H8	-1.053	-0.673	-0.894

	C1	C2	F3	F4	H5	H6	H7	H8
C1		1.5164	1.3966	2.3539	1.0913	1.0913	2.1634	2.1634
C2	1.5164		2.3539	1.3966	2.1634	2.1634	1.0913	1.0913
F3	1.3966	2.3539		3.5613	2.0262	2.0262	2.6377	2.6377
F4	2.3539	1.3966	3.5613		2.6377	2.6377	2.0262	2.0262
H5	1.0913	2.1634	2.0262	2.6377		1.7880	2.4991	3.0729
H6	1.0913	2.1634	2.0262	2.6377	1.7880		3.0729	2.4991
H7	2.1634	1.0913	2.6377	2.0262	2.4991	3.0729		1.7880
H8	2.1634	1.0913	2.6377	2.0262	3.0729	2.4991	1.7880

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	107.741	C1	C2	H7	111.061
C1	C2	H8	111.061	C2	C1	F3	107.741
C2	C1	H5	111.061	C2	C1	H6	111.061
F3	C1	H5	108.437	F3	C1	H6	108.437
F4	C2	H7	108.437	F4	C2	H8	108.437
H5	C1	H6	110.003	H7	C2	H8	110.003

All results from a given calculation for C₂H₄F₂ (1,2-difluoroethane)

using model chemistry: MP4/daug-cc-pVTZ

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 C2H4F2 (1,2-difluoroethane)

using model chemistry: MP4/daug-cc-pVTZ

States and conformations

All results from a given calculation for C₂H₄F₂ (1,2-difluoroethane)