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	hartrees
Energy at 0K	-476.032644
Energy at 298.15K	-476.036697
HF Energy	-474.836844
Nuclear repulsion energy	266.297350

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3172	3022	0.00
2	A_g	1509	1438	0.00
3	A_g	1188	1132	0.00
4	A_g	1138	1084	0.00
5	A_g	637	607	0.00
6	A_g	366	349	0.00
7	A_u	1401	1335	33.44
8	A_u	1171	1116	420.76
9	A_u	210	200	2.91
10	A_u	85	81	2.65
11	B_g	1434	1366	0.00
12	B_g	1139	1086	0.00
13	B_g	492	469	0.00
14	B_u	3183	3033	37.16
15	B_u	1364	1300	30.73
16	B_u	1154	1099	231.71
17	B_u	552	526	10.17
18	B_u	425	405	55.25

Atom	x (Å)	y (Å)	z (Å)
C1	-0.245	0.720	0.000
C2	0.245	-0.720	0.000
H3	-1.331	0.785	0.000
H4	1.331	-0.785	0.000
F5	0.245	1.344	1.099
F6	0.245	1.344	-1.099
F7	-0.245	-1.344	1.099
F8	-0.245	-1.344	-1.099

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5214	1.0885	2.1788	1.3548	1.3548	2.3384	2.3384
C2	1.5214		2.1788	1.0885	2.3384	2.3384	1.3548	1.3548
H3	1.0885	2.1788		3.0902	2.0007	2.0007	2.6302	2.6302
H4	2.1788	1.0885	3.0902		2.6302	2.6302	2.0007	2.0007
F5	1.3548	2.3384	2.0007	2.6302		2.1977	2.7317	3.5060
F6	1.3548	2.3384	2.0007	2.6302	2.1977		3.5060	2.7317
F7	2.3384	1.3548	2.6302	2.0007	2.7317	3.5060		2.1977
F8	2.3384	1.3548	2.6302	2.0007	3.5060	2.7317	2.1977

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	112.134	C1	C2	F7	108.647
C1	C2	F8	108.647	C2	C1	H3	112.134
C2	C1	F5	108.647	C2	C1	F6	108.647
H3	C1	F5	109.463	H3	C1	F6	109.463
H4	C2	F7	109.463	H4	C2	F8	109.463
F5	C1	F6	108.409	F7	C2	F8	108.409

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

using model chemistry: MP2=FULL/TZVP

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=FULL/TZVP

States and conformations

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