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	hartrees
Energy at 0K	-108.570143
Energy at 298.15K	-108.574104
HF Energy	-107.614315
Nuclear repulsion energy	149.570275

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3183	3033	0.00
2	A_g	1508	1437	0.00
3	A_g	1178	1123	0.00
4	A_g	1121	1068	0.00
5	A_g	619	590	0.00
6	A_g	357	341	0.00
7	A_u	1377	1312	37.62
8	A_u	1157	1103	427.19
9	A_u	205	195	2.81
10	A_u	85	81	2.80
11	B_g	1408	1341	0.00
12	B_g	1123	1070	0.00
13	B_g	480	457	0.00
14	B_u	3192	3041	41.30
15	B_u	1336	1273	28.59
16	B_u	1133	1079	233.08
17	B_u	531	506	9.86
18	B_u	414	394	55.73

Atom	x (Å)	y (Å)	z (Å)
C1	-0.251	0.725	0.000
C2	0.251	-0.725	0.000
H3	-1.342	0.798	0.000
H4	1.342	-0.798	0.000
F5	0.251	1.355	1.110
F6	0.251	1.355	-1.110
F7	-0.251	-1.355	1.110
F8	-0.251	-1.355	-1.110

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5347	1.0931	2.2036	1.3715	1.3715	2.3578	2.3578
C2	1.5347		2.2036	1.0931	2.3578	2.3578	1.3715	1.3715
H3	1.0931	2.2036		3.1219	2.0197	2.0197	2.6565	2.6565
H4	2.2036	1.0931	3.1219		2.6565	2.6565	2.0197	2.0197
F5	1.3715	2.3578	2.0197	2.6565		2.2204	2.7560	3.5391
F6	1.3715	2.3578	2.0197	2.6565	2.2204		3.5391	2.7560
F7	2.3578	1.3715	2.6565	2.0197	2.7560	3.5391		2.2204
F8	2.3578	1.3715	2.6565	2.0197	3.5391	2.7560	2.2204

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	112.903	C1	C2	F7	108.317
C1	C2	F8	108.317	C2	C1	H3	112.903
C2	C1	F5	108.317	C2	C1	F6	108.317
H3	C1	F5	109.548	H3	C1	F6	109.548
H4	C2	F7	109.548	H4	C2	F8	109.548
F5	C1	F6	108.086	F7	C2	F8	108.086

All results from a given calculation for CHF₂CHF₂ (1,1,2,2-tetrafluoroethane)

using model chemistry: MP2/CEP-121G*

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 CHF2CHF2 (1,1,2,2-tetrafluoroethane)

using model chemistry: MP2/CEP-121G*

States and conformations

All results from a given calculation for CHF₂CHF₂ (1,1,2,2-tetrafluoroethane)