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	hartrees
Energy at 0K	-475.699904
Energy at 298.15K	-475.704101
HF Energy	-474.776639
Nuclear repulsion energy	269.112219

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3268	3024	0.00
2	A_g	1597	1478	0.00
3	A_g	1251	1158	0.00
4	A_g	1189	1100	0.00
5	A_g	669	619	0.00
6	A_g	385	356	0.00
7	A_u	1466	1357	69.08
8	A_u	1262	1168	420.43
9	A_u	219	203	3.16
10	A_u	93	86	2.86
11	B_g	1495	1383	0.00
12	B_g	1233	1141	0.00
13	B_g	518	480	0.00
14	B_u	3278	3033	54.14
15	B_u	1411	1306	42.25
16	B_u	1223	1132	270.40
17	B_u	579	535	12.87
18	B_u	440	407	59.25

Atom	x (Å)	y (Å)	z (Å)
C1	-0.241	0.716	0.000
C2	0.241	-0.716	0.000
H3	-1.323	0.779	0.000
H4	1.323	-0.779	0.000
F5	0.241	1.330	1.086
F6	0.241	1.330	-1.086
F7	-0.241	-1.330	1.086
F8	-0.241	-1.330	-1.086

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5109	1.0837	2.1642	1.3383	1.3383	2.3166	2.3166
C2	1.5109		2.1642	1.0837	2.3166	2.3166	1.3383	1.3383
H3	1.0837	2.1642		3.0714	1.9831	1.9831	2.6077	2.6077
H4	2.1642	1.0837	3.0714		2.6077	2.6077	1.9831	1.9831
F5	1.3383	2.3166	1.9831	2.6077		2.1727	2.7040	3.4688
F6	1.3383	2.3166	1.9831	2.6077	2.1727		3.4688	2.7040
F7	2.3166	1.3383	2.6077	1.9831	2.7040	3.4688		2.1727
F8	2.3166	1.3383	2.6077	1.9831	3.4688	2.7040	2.1727

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	111.995	C1	C2	F7	108.645
C1	C2	F8	108.645	C2	C1	H3	111.995
C2	C1	F5	108.645	C2	C1	F6	108.645
H3	C1	F5	109.478	H3	C1	F6	109.478
H4	C2	F7	109.478	H4	C2	F8	109.478
F5	C1	F6	108.533	F7	C2	F8	108.533

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

using model chemistry: CISD/6-311G*

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: CISD/6-311G*

States and conformations

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