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	hartrees
Energy at 0K	-475.872765
Energy at 298.15K	-475.876803
HF Energy	-474.672583
Nuclear repulsion energy	267.926094

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3145	2970	0.00
2	A_g	1513	1429	0.00
3	A_g	1200	1133	0.00
4	A_g	1151	1087	0.00
5	A_g	640	605	0.00
6	A_g	368	348	0.00
7	A_u	1406	1328	48.61
8	A_u	1218	1150	322.15
9	A_u	202	191	1.87
10	A_u	89	84	1.90
11	B_g	1433	1353	0.00
12	B_g	1180	1114	0.00
13	B_g	495	467	0.00
14	B_u	3156	2981	47.61
15	B_u	1349	1275	29.32
16	B_u	1182	1116	190.73
17	B_u	552	521	8.72
18	B_u	404	382	42.23

Atom	x (Å)	y (Å)	z (Å)
C1	-0.243	0.718	0.000
C2	0.243	-0.718	0.000
H3	-1.335	0.770	0.000
H4	1.335	-0.770	0.000
F5	0.243	1.331	1.094
F6	0.243	1.331	-1.094
F7	-0.243	-1.331	1.094
F8	-0.243	-1.331	-1.094

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5164	1.0930	2.1694	1.3455	1.3455	2.3231	2.3231
C2	1.5164		2.1694	1.0930	2.3231	2.3231	1.3455	1.3455
H3	1.0930	2.1694		3.0826	2.0009	2.0009	2.6086	2.6086
H4	2.1694	1.0930	3.0826		2.6086	2.6086	2.0009	2.0009
F5	1.3455	2.3231	2.0009	2.6086		2.1886	2.7064	3.4806
F6	1.3455	2.3231	2.0009	2.6086	2.1886		3.4806	2.7064
F7	2.3231	1.3455	2.6086	2.0009	2.7064	3.4806		2.1886
F8	2.3231	1.3455	2.6086	2.0009	3.4806	2.7064	2.1886

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	111.451	C1	C2	F7	108.387
C1	C2	F8	108.387	C2	C1	H3	111.451
C2	C1	F5	108.387	C2	C1	F6	108.387
H3	C1	F5	109.855	H3	C1	F6	109.855
H4	C2	F7	109.855	H4	C2	F8	109.855
F5	C1	F6	108.847	F7	C2	F8	108.847

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

using model chemistry: MP2/6-31G(2df,p)

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: MP2/6-31G(2df,p)

States and conformations

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