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	hartrees
Energy at 0K	-476.210891
Energy at 298.15K	-476.214941
HF Energy	-474.842476
Nuclear repulsion energy	266.949618

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3133	3015	0.00
2	A_g	1507	1451	0.00
3	A_g	1189	1145	0.00
4	A_g	1136	1094	0.00
5	A_g	637	613	0.00
6	A_g	367	353	0.00
7	A_u	1377	1325	34.36
8	A_u	1189	1145	395.22
9	A_u	208	200	2.04
10	A_u	85	81	2.39
11	B_g	1408	1355	0.00
12	B_g	1155	1112	0.00
13	B_g	493	475	0.00
14	B_u	3143	3025	31.31
15	B_u	1350	1300	26.44
16	B_u	1162	1119	219.91
17	B_u	550	529	10.17
18	B_u	417	401	49.13

Atom	x (Å)	y (Å)	z (Å)
C1	-0.245	0.720	0.000
C2	0.245	-0.720	0.000
H3	-1.333	0.783	0.000
H4	1.333	-0.783	0.000
F5	0.245	1.342	1.094
F6	0.245	1.342	-1.094
F7	-0.245	-1.342	1.094
F8	-0.245	-1.342	-1.094

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5215	1.0896	2.1796	1.3504	1.3504	2.3343	2.3343
C2	1.5215		2.1796	1.0896	2.3343	2.3343	1.3504	1.3504
H3	1.0896	2.1796		3.0920	2.0002	2.0002	2.6257	2.6257
H4	2.1796	1.0896	3.0920		2.6257	2.6257	2.0002	2.0002
F5	1.3504	2.3343	2.0002	2.6257		2.1870	2.7289	3.4971
F6	1.3504	2.3343	2.0002	2.6257	2.1870		3.4971	2.7289
F7	2.3343	1.3504	2.6257	2.0002	2.7289	3.4971		2.1870
F8	2.3343	1.3504	2.6257	2.0002	3.4971	2.7289	2.1870

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	112.115	C1	C2	F7	108.592
C1	C2	F8	108.592	C2	C1	H3	112.115
C2	C1	F5	108.592	C2	C1	F6	108.592
H3	C1	F5	109.653	H3	C1	F6	109.653
H4	C2	F7	109.653	H4	C2	F8	109.653
F5	C1	F6	108.144	F7	C2	F8	108.144

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

using model chemistry: QCISD/aug-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: QCISD/aug-cc-pVTZ

States and conformations

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