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	hartrees
Energy at 0K	-475.662448
Energy at 298.15K	-475.666444
HF Energy	-474.669259
Nuclear repulsion energy	264.777325

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3201	3026	0.00
2	A_g	1510	1428	0.00
3	A_g	1187	1122	0.00
4	A_g	1125	1064	0.00
5	A_g	622	588	0.00
6	A_g	360	341	0.00
7	A_u	1378	1303	41.25
8	A_u	1169	1106	413.33
9	A_u	208	196	2.63
10	A_u	88	84	2.69
11	B_g	1410	1333	0.00
12	B_g	1136	1074	0.00
13	B_g	486	460	0.00
14	B_u	3210	3035	29.37
15	B_u	1345	1272	31.71
16	B_u	1139	1077	228.36
17	B_u	532	503	11.72
18	B_u	419	396	56.99

Atom	x (Å)	y (Å)	z (Å)
C1	-0.250	0.719	0.000
C2	0.250	-0.719	0.000
H3	-1.336	0.791	0.000
H4	1.336	-0.791	0.000
F5	0.250	1.347	1.107
F6	0.250	1.347	-1.107
F7	-0.250	-1.347	1.107
F8	-0.250	-1.347	-1.107

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5214	1.0886	2.1889	1.3677	1.3677	2.3438	2.3438
C2	1.5214		2.1889	1.0886	2.3438	2.3438	1.3677	1.3677
H3	1.0886	2.1889		3.1046	2.0124	2.0124	2.6412	2.6412
H4	2.1889	1.0886	3.1046		2.6412	2.6412	2.0124	2.0124
F5	1.3677	2.3438	2.0124	2.6412		2.2145	2.7403	3.5232
F6	1.3677	2.3438	2.0124	2.6412	2.2145		3.5232	2.7403
F7	2.3438	1.3677	2.6412	2.0124	2.7403	3.5232		2.2145
F8	2.3438	1.3677	2.6412	2.0124	3.5232	2.7403	2.2145

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	112.951	C1	C2	F7	108.325
C1	C2	F8	108.325	C2	C1	H3	112.951
C2	C1	F5	108.325	C2	C1	F6	108.325
H3	C1	F5	109.503	H3	C1	F6	109.503
H4	C2	F7	109.503	H4	C2	F8	109.503
F5	C1	F6	108.110	F7	C2	F8	108.110

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

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

States and conformations

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