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	hartrees
Energy at 0K	-107.993365
Energy at 298.15K	-107.997014
HF Energy	-107.439945
Nuclear repulsion energy	144.167549

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3216	3108	0.00
2	A_g	1440	1392	0.00
3	A_g	1150	1111	0.00
4	A_g	1010	976	0.00
5	A_g	553	535	0.00
6	A_g	329	318	0.00
7	A_u	1307	1263	11.85
8	A_u	1027	992	333.46
9	A_u	196	189	4.96
10	A_u	69	67	4.66
11	B_g	1340	1295	0.00
12	B_g	992	958	0.00
13	B_g	441	427	0.00
14	B_u	3225	3117	32.27
15	B_u	1291	1248	24.21
16	B_u	1009	975	174.27
17	B_u	468	453	16.01
18	B_u	391	377	80.73

Atom	x (Å)	y (Å)	z (Å)
C1	-0.266	0.733	0.000
C2	0.266	-0.733	0.000
H3	-1.363	0.827	0.000
H4	1.363	-0.827	0.000
F5	0.266	1.401	1.158
F6	0.266	1.401	-1.158
F7	-0.266	-1.401	1.158
F8	-0.266	-1.401	-1.158

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5587	1.1011	2.2546	1.4386	1.4386	2.4275	2.4275
C2	1.5587		2.2546	1.1011	2.4275	2.4275	1.4386	1.4386
H3	1.1011	2.2546		3.1877	2.0790	2.0790	2.7397	2.7397
H4	2.2546	1.1011	3.1877		2.7397	2.7397	2.0790	2.0790
F5	1.4386	2.4275	2.0790	2.7397		2.3158	2.8516	3.6735
F6	1.4386	2.4275	2.0790	2.7397	2.3158		3.6735	2.8516
F7	2.4275	1.4386	2.7397	2.0790	2.8516	3.6735		2.3158
F8	2.4275	1.4386	2.7397	2.0790	3.6735	2.8516	2.3158

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	114.822	C1	C2	F7	108.103
C1	C2	F8	108.103	C2	C1	H3	114.822
C2	C1	F5	108.103	C2	C1	F6	108.103
H3	C1	F5	109.172	H3	C1	F6	109.172
H4	C2	F7	109.172	H4	C2	F8	109.172
F5	C1	F6	107.202	F7	C2	F8	107.202

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

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

using model chemistry: MP2/CEP-31G

States and conformations

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