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	hartrees
Energy at 0K	-475.888713
Energy at 298.15K	-475.892788
HF Energy	-474.778585
Nuclear repulsion energy	266.653092

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3150	3005	0.00
2	A_g	1521	1451	0.00
3	A_g	1197	1142	0.00
4	A_g	1140	1088	0.00
5	A_g	639	610	0.00
6	A_g	370	353	0.00
7	A_u	1407	1343	60.86
8	A_u	1204	1148	372.93
9	A_u	211	202	2.91
10	A_u	87	83	2.33
11	B_g	1434	1368	0.00
12	B_g	1176	1122	0.00
13	B_g	496	474	0.00
14	B_u	3159	3014	52.36
15	B_u	1353	1291	39.90
16	B_u	1167	1113	231.01
17	B_u	554	528	11.07
18	B_u	420	401	53.24

Atom	x (Å)	y (Å)	z (Å)
C1	-0.244	0.721	0.000
C2	0.244	-0.721	0.000
H3	-1.335	0.779	0.000
H4	1.335	-0.779	0.000
F5	0.244	1.341	1.098
F6	0.244	1.341	-1.098
F7	-0.244	-1.341	1.098
F8	-0.244	-1.341	-1.098

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5215	1.0926	2.1778	1.3521	1.3521	2.3354	2.3354
C2	1.5215		2.1778	1.0926	2.3354	2.3354	1.3521	1.3521
H3	1.0926	2.1778		3.0916	2.0036	2.0036	2.6248	2.6248
H4	2.1778	1.0926	3.0916		2.6248	2.6248	2.0036	2.0036
F5	1.3521	2.3354	2.0036	2.6248		2.1958	2.7255	3.5000
F6	1.3521	2.3354	2.0036	2.6248	2.1958		3.5000	2.7255
F7	2.3354	1.3521	2.6248	2.0036	2.7255	3.5000		2.1958
F8	2.3354	1.3521	2.6248	2.0036	3.5000	2.7255	2.1958

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	111.786	C1	C2	F7	108.581
C1	C2	F8	108.581	C2	C1	H3	111.786
C2	C1	F5	108.581	C2	C1	F6	108.581
H3	C1	F5	109.624	H3	C1	F6	109.624
H4	C2	F7	109.624	H4	C2	F8	109.624
F5	C1	F6	108.579	F7	C2	F8	108.579

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

using model chemistry: QCISD/6-311G**

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/6-311G**

States and conformations

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