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	hartrees
Energy at 0K	-277.583225
Energy at 298.15K
HF Energy	-276.928239
Nuclear repulsion energy	125.931231

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3164	3164	0.00
2	A_g	1594	1594	0.00
3	A_g	1527	1527	0.00
4	A_g	1143	1143	0.00
5	A_g	1128	1128	0.00
6	A_g	473	473	0.00
7	A_u	3241	3241	65.33
8	A_u	1279	1279	4.27
9	A_u	839	839	0.39
10	A_u	139	139	13.05
11	B_g	3218	3218	0.00
12	B_g	1344	1344	0.00
13	B_g	1226	1226	0.00
14	B_u	3168	3168	56.88
15	B_u	1603	1603	2.27
16	B_u	1410	1410	22.65
17	B_u	1147	1147	175.62
18	B_u	284	284	19.80

Atom	x (Å)	y (Å)	z (Å)
C1	0.426	0.625	0.000
C2	-0.426	-0.625	0.000
F3	-0.426	1.720	0.000
F4	0.426	-1.720	0.000
H5	1.054	0.661	0.887
H6	1.054	0.661	-0.887
H7	-1.054	-0.661	0.887
H8	-1.054	-0.661	-0.887

	C1	C2	F3	F4	H5	H6	H7	H8
C1		1.5124	1.3866	2.3446	1.0874	1.0874	2.1515	2.1515
C2	1.5124		2.3446	1.3866	2.1515	2.1515	1.0874	1.0874
F3	1.3866	2.3446		3.5429	2.0238	2.0238	2.6169	2.6169
F4	2.3446	1.3866	3.5429		2.6169	2.6169	2.0238	2.0238
H5	1.0874	2.1515	2.0238	2.6169		1.7739	2.4879	3.0555
H6	1.0874	2.1515	2.0238	2.6169	1.7739		3.0555	2.4879
H7	2.1515	1.0874	2.6169	2.0238	2.4879	3.0555		1.7739
H8	2.1515	1.0874	2.6169	2.0238	3.0555	2.4879	1.7739

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	107.872	C1	C2	H7	110.638
C1	C2	H8	110.638	C2	C1	F3	107.872
C2	C1	H5	110.638	C2	C1	H6	110.638
F3	C1	H5	109.180	F3	C1	H6	109.180
F4	C2	H7	109.180	F4	C2	H8	109.180
H5	C1	H6	109.297	H7	C2	H8	109.297

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

using model chemistry: MP3=FULL/6-31G**

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: MP3=FULL/6-31G**

States and conformations

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