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	hartrees
Energy at 0K	-277.710285
Energy at 298.15K
HF Energy	-277.014114
Nuclear repulsion energy	127.592215

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3127	3127	13.92
2	A	3070	3070	32.95
3	A	1482	1482	1.35
4	A	1451	1451	14.21
5	A	1305	1305	3.13
6	A	1154	1154	81.03
7	A	1132	1132	6.75
8	A	892	892	25.09
9	A	326	326	0.32
10	A	154	154	3.81
11	B	3140	3140	28.45
12	B	3062	3062	10.11
13	B	1478	1478	6.65
14	B	1399	1399	10.11
15	B	1266	1266	8.03
16	B	1113	1113	53.68
17	B	917	917	39.52
18	B	500	500	16.52

Atom	x (Å)	y (Å)	z (Å)
C1	0.268	0.705	0.513
C2	-0.268	-0.705	0.513
F3	-0.268	1.417	-0.548
F4	0.268	-1.417	-0.548
H5	-0.014	1.212	1.453
H6	1.367	0.700	0.406
H7	0.014	-1.212	1.453
H8	-1.367	-0.700	0.406

	C1	C2	F3	F4	H5	H6	H7	H8
C1		1.5092	1.3853	2.3726	1.1048	1.1040	2.1509	2.1585
C2	1.5092		2.3726	1.3853	2.1509	2.1585	1.1048	1.1040
F3	1.3853	2.3726		2.8841	2.0275	2.0246	3.3162	2.5688
F4	2.3726	1.3853	2.8841		3.3162	2.5688	2.0275	2.0246
H5	1.1048	2.1509	2.0275	3.3162		1.8068	2.4249	2.5657
H6	1.1040	2.1585	2.0246	2.5688	1.8068		2.5657	3.0713
H7	2.1509	1.1048	3.3162	2.0275	2.4249	2.5657		1.8068
H8	2.1585	1.1040	2.5688	2.0246	2.5657	3.0713	1.8068

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	110.035	C1	C2	H7	109.775
C1	C2	H8	110.418	C2	C1	F3	110.035
C2	C1	H5	109.775	C2	C1	H6	110.418
F3	C1	H5	108.498	F3	C1	H6	108.309
F4	C2	H7	108.498	F4	C2	H8	108.309
H5	C1	H6	109.768	H7	C2	H8	109.768

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

using model chemistry: MP3/Sadlej_pVTZ

States and conformations

Conformer 1 (C2H anti)

Conformer 2 (C2 gauche)

	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: MP3/Sadlej_pVTZ

States and conformations

Conformer 1 (C2H anti)

Conformer 2 (C2 gauche)

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