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	hartrees
Energy at 0K	-475.638038
Energy at 298.15K	-475.642021
HF Energy	-474.668826
Nuclear repulsion energy	264.626924

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3219	3028	0.00
2	A_g	1504	1415	0.00
3	A_g	1188	1117	0.00
4	A_g	1121	1055	0.00
5	A_g	618	582	0.00
6	A_g	360	338	0.00
7	A_u	1374	1292	34.02
8	A_u	1155	1086	426.58
9	A_u	207	195	2.57
10	A_u	89	84	2.61
11	B_g	1405	1321	0.00
12	B_g	1119	1052	0.00
13	B_g	485	456	0.00
14	B_u	3229	3037	26.64
15	B_u	1343	1263	29.02
16	B_u	1132	1065	227.37
17	B_u	528	497	11.09
18	B_u	417	392	56.14

Atom	x (Å)	y (Å)	z (Å)
C1	-0.250	0.717	0.000
C2	0.250	-0.717	0.000
H3	-1.335	0.790	0.000
H4	1.335	-0.790	0.000
F5	0.250	1.346	1.110
F6	0.250	1.346	-1.110
F7	-0.250	-1.346	1.110
F8	-0.250	-1.346	-1.110

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5185	1.0880	2.1870	1.3698	1.3698	2.3426	2.3426
C2	1.5185		2.1870	1.0880	2.3426	2.3426	1.3698	1.3698
H3	1.0880	2.1870		3.1028	2.0130	2.0130	2.6406	2.6406
H4	2.1870	1.0880	3.1028		2.6406	2.6406	2.0130	2.0130
F5	1.3698	2.3426	2.0130	2.6406		2.2196	2.7378	3.5246
F6	1.3698	2.3426	2.0130	2.6406	2.2196		3.5246	2.7378
F7	2.3426	1.3698	2.6406	2.0130	2.7378	3.5246		2.2196
F8	2.3426	1.3698	2.6406	2.0130	3.5246	2.7378	2.2196

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	113.036	C1	C2	F7	108.289
C1	C2	F8	108.289	C2	C1	H3	113.036
C2	C1	F5	108.289	C2	C1	F6	108.289
H3	C1	F5	109.439	H3	C1	F6	109.439
H4	C2	F7	109.439	H4	C2	F8	109.439
F5	C1	F6	108.230	F7	C2	F8	108.230

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

using model chemistry: MP2/6-31+G**

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: MP2/6-31+G**

States and conformations

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