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	hartrees
Energy at 0K	-476.156442
Energy at 298.15K	-476.160495
HF Energy	-474.834913
Nuclear repulsion energy	267.033526

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3154	2994	0.00
2	A_g	1503	1427	0.00
3	A_g	1192	1132	0.00
4	A_g	1136	1079	0.00
5	A_g	636	604	0.00
6	A_g	368	350	0.00
7	A_u	1380	1311	35.23
8	A_u	1187	1127	384.10
9	A_u	208	198	2.33
10	A_u	87	83	2.09
11	B_g	1408	1337	0.00
12	B_g	1151	1093	0.00
13	B_g	492	467	0.00
14	B_u	3165	3005	38.65
15	B_u	1350	1281	26.77
16	B_u	1162	1103	213.77
17	B_u	550	523	9.38
18	B_u	414	393	47.40

Atom	x (Å)	y (Å)	z (Å)
C1	-0.244	0.718	0.000
C2	0.244	-0.718	0.000
H3	-1.330	0.778	0.000
H4	1.330	-0.778	0.000
F5	0.244	1.339	1.096
F6	0.244	1.339	-1.096
F7	-0.244	-1.339	1.096
F8	-0.244	-1.339	-1.096

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5171	1.0879	2.1717	1.3511	1.3511	2.3312	2.3312
C2	1.5171		2.1717	1.0879	2.3312	2.3312	1.3511	1.3511
H3	1.0879	2.1717		3.0819	1.9988	1.9988	2.6197	2.6197
H4	2.1717	1.0879	3.0819		2.6197	2.6197	1.9988	1.9988
F5	1.3511	2.3312	1.9988	2.6197		2.1927	2.7222	3.4955
F6	1.3511	2.3312	1.9988	2.6197	2.1927		3.4955	2.7222
F7	2.3312	1.3511	2.6197	1.9988	2.7222	3.4955		2.1927
F8	2.3312	1.3511	2.6197	1.9988	3.4955	2.7222	2.1927

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	111.898	C1	C2	F7	108.597
C1	C2	F8	108.597	C2	C1	H3	111.898
C2	C1	F5	108.597	C2	C1	F6	108.597
H3	C1	F5	109.602	H3	C1	F6	109.602
H4	C2	F7	109.602	H4	C2	F8	109.602
F5	C1	F6	108.473	F7	C2	F8	108.473

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

using model chemistry: MP2/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: MP2/cc-pVTZ

States and conformations

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