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	hartrees
Energy at 0K	-277.274738
Energy at 298.15K
HF Energy	-276.838493
Nuclear repulsion energy	122.761678

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3110	3110	0.00
2	A_g	1587	1587	0.00
3	A_g	1485	1485	0.00
4	A_g	1113	1113	0.00
5	A_g	1035	1035	0.00
6	A_g	446	446	0.00
7	A_u	3186	3186	50.46
8	A_u	1224	1224	3.82
9	A_u	847	847	0.02
10	A_u	129	129	20.81
11	B_g	3162	3162	0.00
12	B_g	1334	1334	0.00
13	B_g	1178	1178	0.00
14	B_u	3115	3115	37.15
15	B_u	1596	1596	1.91
16	B_u	1386	1386	10.98
17	B_u	1046	1046	115.41
18	B_u	270	270	29.30

Atom	x (Å)	y (Å)	z (Å)
C1	0.443	0.622	0.000
C2	-0.443	-0.622	0.000
F3	-0.443	1.767	0.000
F4	0.443	-1.767	0.000
H5	1.067	0.671	0.898
H6	1.067	0.671	-0.898
H7	-1.067	-0.671	0.898
H8	-1.067	-0.671	-0.898

	C1	C2	F3	F4	H5	H6	H7	H8
C1		1.5260	1.4476	2.3883	1.0951	1.0951	2.1812	2.1812
C2	1.5260		2.3883	1.4476	2.1812	2.1812	1.0951	1.0951
F3	1.4476	2.3883		3.6428	2.0705	2.0705	2.6722	2.6722
F4	2.3883	1.4476	3.6428		2.6722	2.6722	2.0705	2.0705
H5	1.0951	2.1812	2.0705	2.6722		1.7961	2.5216	3.0959
H6	1.0951	2.1812	2.0705	2.6722	1.7961		3.0959	2.5216
H7	2.1812	1.0951	2.6722	2.0705	2.5216	3.0959		1.7961
H8	2.1812	1.0951	2.6722	2.0705	3.0959	2.5216	1.7961

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	106.838	C1	C2	H7	111.586
C1	C2	H8	111.586	C2	C1	F3	106.838
C2	C1	H5	111.586	C2	C1	H6	111.586
F3	C1	H5	108.238	F3	C1	H6	108.238
F4	C2	H7	108.238	F4	C2	H8	108.238
H5	C1	H6	110.185	H7	C2	H8	110.185

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)