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	hartrees
Energy at 0K	-474.863269
Energy at 298.15K	-474.867543
HF Energy	-474.863269
Nuclear repulsion energy	270.184065

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3268	2962	0.00
2	A_g	1632	1479	0.00
3	A_g	1275	1156	0.00
4	A_g	1212	1098	0.00
5	A_g	688	623	0.00
6	A_g	393	356	0.00
7	A_u	1495	1355	52.71
8	A_u	1287	1167	458.49
9	A_u	224	203	2.70
10	A_u	92	84	2.93
11	B_g	1527	1384	0.00
12	B_g	1258	1140	0.00
13	B_g	532	482	0.00
14	B_u	3281	2973	54.33
15	B_u	1456	1319	43.79
16	B_u	1252	1135	291.63
17	B_u	599	543	12.77
18	B_u	453	410	58.29

Atom	x (Å)	y (Å)	z (Å)
C1	-0.241	0.719	0.000
C2	0.241	-0.719	0.000
H3	-1.318	0.789	0.000
H4	1.318	-0.789	0.000
F5	0.241	1.337	1.073
F6	0.241	1.337	-1.073
F7	-0.241	-1.337	1.073
F8	-0.241	-1.337	-1.073

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5177	1.0789	2.1695	1.3294	1.3294	2.3201	2.3201
C2	1.5177		2.1695	1.0789	2.3201	2.3201	1.3294	1.3294
H3	1.0789	2.1695		3.0721	1.9712	1.9712	2.6138	2.6138
H4	2.1695	1.0789	3.0721		2.6138	2.6138	1.9712	1.9712
F5	1.3294	2.3201	1.9712	2.6138		2.1468	2.7181	3.4636
F6	1.3294	2.3201	1.9712	2.6138	2.1468		3.4636	2.7181
F7	2.3201	1.3294	2.6138	1.9712	2.7181	3.4636		2.1468
F8	2.3201	1.3294	2.6138	1.9712	3.4636	2.7181	2.1468

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	112.236	C1	C2	F7	108.974
C1	C2	F8	108.974	C2	C1	H3	112.236
C2	C1	F5	108.974	C2	C1	F6	108.974
H3	C1	F5	109.428	H3	C1	F6	109.428
H4	C2	F7	109.428	H4	C2	F8	109.428
F5	C1	F6	107.692	F7	C2	F8	107.692

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

using model chemistry: HF/Def2TZVPP

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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Number	Element	Mulliken
1	C	0.479
2	C	0.479
3	H	0.037
4	H	0.037
5	F	-0.258
6	F	-0.258
7	F	-0.258
8	F	-0.258

	x	y	z
x	3.516	0.045	0.000
y	0.045	3.666	0.000
z	0.000	0.000	3.772

<r²>	139.881
(<r²>)^1/2	11.827

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

using model chemistry: HF/Def2TZVPP

States and conformations

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