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	hartrees
Energy at 0K	-476.251459
Energy at 298.15K	-476.255582
HF Energy	-474.836101
Nuclear repulsion energy	268.383356

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3155	2991	0.00
2	A_g	1531	1452	0.00
3	A_g	1212	1149	0.00
4	A_g	1154	1094	0.00
5	A_g	650	616	0.00
6	A_g	375	356	0.00
7	A_u	1407	1334	44.47
8	A_u	1221	1158	376.13
9	A_u	212	201	2.44
10	A_u	93	88	2.19
11	B_g	1436	1362	0.00
12	B_g	1189	1127	0.00
13	B_g	502	476	0.00
14	B_u	3167	3003	40.54
15	B_u	1369	1298	29.08
16	B_u	1187	1126	220.26
17	B_u	563	534	10.46
18	B_u	421	399	48.83

Atom	x (Å)	y (Å)	z (Å)
C1	-0.243	0.716	0.000
C2	0.243	-0.716	0.000
H3	-1.324	0.770	0.000
H4	1.324	-0.770	0.000
F5	0.243	1.334	1.090
F6	0.243	1.334	-1.090
F7	-0.243	-1.334	1.090
F8	-0.243	-1.334	-1.090

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5116	1.0832	2.1596	1.3434	1.3434	2.3213	2.3213
C2	1.5116		2.1596	1.0832	2.3213	2.3213	1.3434	1.3434
H3	1.0832	2.1596		3.0642	1.9901	1.9901	2.6048	2.6048
H4	2.1596	1.0832	3.0642		2.6048	2.6048	1.9901	1.9901
F5	1.3434	2.3213	1.9901	2.6048		2.1796	2.7112	3.4787
F6	1.3434	2.3213	1.9901	2.6048	2.1796		3.4787	2.7112
F7	2.3213	1.3434	2.6048	1.9901	2.7112	3.4787		2.1796
F8	2.3213	1.3434	2.6048	1.9901	3.4787	2.7112	2.1796

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	111.597	C1	C2	F7	108.648
C1	C2	F8	108.648	C2	C1	H3	111.597
C2	C1	F5	108.648	C2	C1	F6	108.648
H3	C1	F5	109.726	H3	C1	F6	109.726
H4	C2	F7	109.726	H4	C2	F8	109.726
F5	C1	F6	108.429	F7	C2	F8	108.429

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

using model chemistry: CCSD=FULL/cc-pVTZ

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/cc-pVTZ

States and conformations

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