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	hartrees
Energy at 0K	-474.496201
Energy at 298.15K	-474.500345
HF Energy	-474.496201
Nuclear repulsion energy	264.624725

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3393	3063	0.00
2	A_g	1617	1460	0.00
3	A_g	1282	1158	0.00
4	A_g	1166	1052	0.00
5	A_g	638	576	0.00
6	A_g	374	338	0.00
7	A_u	1491	1346	45.04
8	A_u	1254	1133	344.40
9	A_u	217	196	5.60
10	A_u	94	85	5.16
11	B_g	1522	1374	0.00
12	B_g	1219	1101	0.00
13	B_g	518	468	0.00
14	B_u	3404	3074	15.50
15	B_u	1448	1308	35.50
16	B_u	1192	1076	238.97
17	B_u	541	489	24.02
18	B_u	446	403	95.88

Atom	x (Å)	y (Å)	z (Å)
C1	-0.253	0.707	0.000
C2	0.253	-0.707	0.000
H3	-1.321	0.780	0.000
H4	1.321	-0.780	0.000
F5	0.253	1.342	1.114
F6	0.253	1.342	-1.114
F7	-0.253	-1.342	1.114
F8	-0.253	-1.342	-1.114

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5013	1.0710	2.1648	1.3780	1.3780	2.3321	2.3321
C2	1.5013		2.1648	1.0710	2.3321	2.3321	1.3780	1.3780
H3	1.0710	2.1648		3.0680	2.0083	2.0083	2.6237	2.6237
H4	2.1648	1.0710	3.0680		2.6237	2.6237	2.0083	2.0083
F5	1.3780	2.3321	2.0083	2.6237		2.2275	2.7313	3.5244
F6	1.3780	2.3321	2.0083	2.6237	2.2275		3.5244	2.7313
F7	2.3321	1.3780	2.6237	2.0083	2.7313	3.5244		2.2275
F8	2.3321	1.3780	2.6237	2.0083	3.5244	2.7313	2.2275

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	113.552	C1	C2	F7	108.105
C1	C2	F8	108.105	C2	C1	H3	113.552
C2	C1	F5	108.105	C2	C1	F6	108.105
H3	C1	F5	109.534	H3	C1	F6	109.534
H4	C2	F7	109.534	H4	C2	F8	109.534
F5	C1	F6	107.844	F7	C2	F8	107.844

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

using model chemistry: HF/6-31G

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	0.597
2	C	0.597
3	H	0.229
4	H	0.229
5	F	-0.413
6	F	-0.413
7	F	-0.413
8	F	-0.413

	x	y	z
x	2.692	0.096	0.000
y	0.096	2.710	0.000
z	0.000	0.000	3.192

<r²>	144.789
(<r²>)^1/2	12.033

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

using model chemistry: HF/6-31G

States and conformations

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