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	hartrees
Energy at 0K	-474.674362
Energy at 298.15K	-474.678627
HF Energy	-474.674362
Nuclear repulsion energy	270.668567

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3263	2955	0.00
2	A_g	1639	1484	0.00
3	A_g	1280	1159	0.00
4	A_g	1220	1105	0.00
5	A_g	688	623	0.00
6	A_g	393	356	0.00
7	A_u	1510	1367	67.21
8	A_u	1306	1182	386.94
9	A_u	219	199	2.44
10	A_u	93	84	2.63
11	B_g	1541	1395	0.00
12	B_g	1276	1155	0.00
13	B_g	532	482	0.00
14	B_u	3275	2966	66.40
15	B_u	1453	1316	45.75
16	B_u	1263	1144	263.22
17	B_u	598	541	11.94
18	B_u	445	403	53.56

Atom	x (Å)	y (Å)	z (Å)
C1	-0.240	0.718	0.000
C2	0.240	-0.718	0.000
H3	-1.321	0.776	0.000
H4	1.321	-0.776	0.000
F5	0.240	1.328	1.075
F6	0.240	1.328	-1.075
F7	-0.240	-1.328	1.075
F8	-0.240	-1.328	-1.075

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5151	1.0822	2.1609	1.3259	1.3259	2.3116	2.3116
C2	1.5151		2.1609	1.0822	2.3116	2.3116	1.3259	1.3259
H3	1.0822	2.1609		3.0636	1.9744	1.9744	2.5977	2.5977
H4	2.1609	1.0822	3.0636		2.5977	2.5977	1.9744	1.9744
F5	1.3259	2.3116	1.9744	2.5977		2.1500	2.6990	3.4507
F6	1.3259	2.3116	1.9744	2.5977	2.1500		3.4507	2.6990
F7	2.3116	1.3259	2.5977	1.9744	2.6990	3.4507		2.1500
F8	2.3116	1.3259	2.5977	1.9744	3.4507	2.6990	2.1500

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	111.513	C1	C2	F7	108.724
C1	C2	F8	108.724	C2	C1	H3	111.513
C2	C1	F5	108.724	C2	C1	F6	108.724
H3	C1	F5	109.733	H3	C1	F6	109.733
H4	C2	F7	109.733	H4	C2	F8	109.733
F5	C1	F6	108.346	F7	C2	F8	108.346

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

using model chemistry: HF/6-31G(2df,p)

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	0.326
2	C	0.326
3	H	0.136
4	H	0.136
5	F	-0.231
6	F	-0.231
7	F	-0.231
8	F	-0.231

	x	y	z
x	3.503	-0.027	0.000
y	-0.027	3.569	0.000
z	0.000	0.000	3.571

<r²>	138.889
(<r²>)^1/2	11.785

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

using model chemistry: HF/6-31G(2df,p)

States and conformations

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