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	hartrees
Energy at 0K	-277.731995
Energy at 298.15K
HF Energy	-276.963456
Nuclear repulsion energy	124.120878

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	3074	3074
2	A_g	1497	1497
3	A_g	1421	1421
4	A_g	1103	1103
5	A_g	1014	1014
6	A_g	446	446
7	A_u	3156	3156
8	A_u	1210	1210
9	A_u	801	801
10	A_u	116	116
11	B_g	3134	3134
12	B_g	1277	1277
13	B_g	1155	1155
14	B_u	3079	3079
15	B_u	1502	1502
16	B_u	1331	1331
17	B_u	1024	1024
18	B_u	272	272

Atom	x (Å)	y (Å)	z (Å)
C1	0.434	0.626	0.000
C2	-0.434	-0.626	0.000
F3	-0.434	1.744	0.000
F4	0.434	-1.744	0.000
H5	1.061	0.680	0.904
H6	1.061	0.680	-0.904
H7	-1.061	-0.680	0.904
H8	-1.061	-0.680	-0.904

	C1	C2	F3	F4	H5	H6	H7	H8
C1		1.5237	1.4144	2.3703	1.1015	1.1015	2.1810	2.1810
C2	1.5237		2.3703	1.4144	2.1810	2.1810	1.1015	1.1015
F3	1.4144	2.3703		3.5939	2.0449	2.0449	2.6619	2.6619
F4	2.3703	1.4144	3.5939		2.6619	2.6619	2.0449	2.0449
H5	1.1015	2.1810	2.0449	2.6619		1.8076	2.5202	3.1014
H6	1.1015	2.1810	2.0449	2.6619	1.8076		3.1014	2.5202
H7	2.1810	1.1015	2.6619	2.0449	2.5202	3.1014		1.8076
H8	2.1810	1.1015	2.6619	2.0449	3.1014	2.5202	1.8076

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F4	107.504	C1	C2	H7	111.351
C1	C2	H8	111.351	C2	C1	F3	107.504
C2	C1	H5	111.351	C2	C1	H6	111.351
F3	C1	H5	108.104	F3	C1	H6	108.104
F4	C2	H7	108.104	F4	C2	H8	108.104
H5	C1	H6	110.276	H7	C2	H8	110.276

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

using model chemistry: MP4=FULL/daug-cc-pVDZ

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=FULL/daug-cc-pVDZ

States and conformations

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