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	hartrees
Energy at 0K	-475.676955
Energy at 298.15K	-475.680975
HF Energy	-474.670801
Nuclear repulsion energy	265.790973

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3161	3011	0.00
2	A_g	1502	1431	0.00
3	A_g	1192	1135	0.00
4	A_g	1130	1076	0.00
5	A_g	632	602	0.00
6	A_g	367	349	0.00
7	A_u	1380	1314	63.77
8	A_u	1193	1136	371.70
9	A_u	204	194	2.80
10	A_u	85	81	2.13
11	B_g	1406	1339	0.00
12	B_g	1160	1105	0.00
13	B_g	490	466	0.00
14	B_u	3171	3020	59.48
15	B_u	1332	1268	38.14
16	B_u	1155	1101	227.62
17	B_u	547	521	10.03
18	B_u	408	389	49.63

Atom	x (Å)	y (Å)	z (Å)
C1	-0.245	0.720	0.000
C2	0.245	-0.720	0.000
H3	-1.344	0.775	0.000
H4	1.344	-0.775	0.000
F5	0.245	1.342	1.103
F6	0.245	1.342	-1.103
F7	-0.245	-1.342	1.103
F8	-0.245	-1.342	-1.103

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5204	1.1012	2.1818	1.3582	1.3582	2.3388	2.3388
C2	1.5204		2.1818	1.1012	2.3388	2.3388	1.3582	1.3582
H3	1.1012	2.1818		3.1039	2.0160	2.0160	2.6290	2.6290
H4	2.1818	1.1012	3.1039		2.6290	2.6290	2.0160	2.0160
F5	1.3582	2.3388	2.0160	2.6290		2.2068	2.7290	3.5096
F6	1.3582	2.3388	2.0160	2.6290	2.2068		3.5096	2.7290
F7	2.3388	1.3582	2.6290	2.0160	2.7290	3.5096		2.2068
F8	2.3388	1.3582	2.6290	2.0160	3.5096	2.7290	2.2068

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	111.666	C1	C2	F7	108.549
C1	C2	F8	108.549	C2	C1	H3	111.666
C2	C1	F5	108.549	C2	C1	F6	108.549
H3	C1	F5	109.676	H3	C1	F6	109.676
H4	C2	F7	109.676	H4	C2	F8	109.676
F5	C1	F6	108.664	F7	C2	F8	108.664

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

using model chemistry: MP2/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 CHF2CHF2 (1,1,2,2-tetrafluoroethane)

using model chemistry: MP2/cc-pVDZ

States and conformations

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