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	hartrees
Energy at 0K	-475.616420
Energy at 298.15K	-475.620451
HF Energy	-474.644674
Nuclear repulsion energy	266.236892

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3156	2997	0.00
2	A_g	1535	1458	0.00
3	A_g	1205	1145	0.00
4	A_g	1155	1097	0.00
5	A_g	634	602	0.00
6	A_g	366	347	0.00
7	A_u	1418	1347	68.03
8	A_u	1219	1158	329.33
9	A_u	205	195	2.45
10	A_u	91	87	2.50
11	B_g	1449	1376	0.00
12	B_g	1188	1129	0.00
13	B_g	499	473	0.00
14	B_u	3165	3006	50.30
15	B_u	1356	1288	35.62
16	B_u	1177	1118	210.28
17	B_u	541	514	11.11
18	B_u	421	400	52.99

Atom	x (Å)	y (Å)	z (Å)
C1	-0.247	0.715	0.000
C2	0.247	-0.715	0.000
H3	-1.339	0.773	0.000
H4	1.339	-0.773	0.000
F5	0.247	1.336	1.104
F6	0.247	1.336	-1.104
F7	-0.247	-1.336	1.104
F8	-0.247	-1.336	-1.104

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5127	1.0937	2.1746	1.3596	1.3596	2.3291	2.3291
C2	1.5127		2.1746	1.0937	2.3291	2.3291	1.3596	1.3596
H3	1.0937	2.1746		3.0922	2.0126	2.0126	2.6190	2.6190
H4	2.1746	1.0937	3.0922		2.6190	2.6190	2.0126	2.0126
F5	1.3596	2.3291	2.0126	2.6190		2.2085	2.7167	3.5011
F6	1.3596	2.3291	2.0126	2.6190	2.2085		3.5011	2.7167
F7	2.3291	1.3596	2.6190	2.0126	2.7167	3.5011		2.2085
F8	2.3291	1.3596	2.6190	2.0126	3.5011	2.7167	2.2085

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	112.093	C1	C2	F7	108.247
C1	C2	F8	108.247	C2	C1	H3	112.093
C2	C1	F5	108.247	C2	C1	F6	108.247
H3	C1	F5	109.773	H3	C1	F6	109.773
H4	C2	F7	109.773	H4	C2	F8	109.773
F5	C1	F6	108.626	F7	C2	F8	108.626

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

using model chemistry: CCSD=FULL/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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All results from a given calculation for CHF2CHF2 (1,1,2,2-tetrafluoroethane)

using model chemistry: CCSD=FULL/6-31G*

States and conformations

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