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	hartrees
Energy at 0K	-468.285663
Energy at 298.15K	-468.289123
HF Energy	-468.115402
Nuclear repulsion energy	255.498229

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3307	2940	0.00
2	A_g	1541	1370	0.00
3	A_g	1207	1073	0.00
4	A_g	1087	966	0.00
5	A_g	610	542	0.00
6	A_g	328	292	0.00
7	A_u	1484	1319	55.76
8	A_u	1294	1150	31.82
9	A_u	169	150	0.64
10	A_u	28	25	1.04
11	B_g	1530	1360	0.00
12	B_g	1292	1149	0.00
13	B_g	463	411	0.00
14	B_u	3315	2946	30.60
15	B_u	1383	1229	68.37
16	B_u	1217	1081	40.54
17	B_u	510	453	11.21
18	B_u	405	360	18.71

Atom	x (Å)	y (Å)	z (Å)
C1	-0.245	0.773	0.000
C2	0.245	-0.773	0.000
H3	-1.374	0.797	0.000
H4	1.374	-0.797	0.000
F5	0.245	1.423	1.133
F6	0.245	1.423	-1.133
F7	-0.245	-1.423	1.133
F8	-0.245	-1.423	-1.133

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.6219	1.1291	2.2552	1.3956	1.3956	2.4715	2.4715
C2	1.6219		2.2552	1.1291	2.4715	2.4715	1.3956	1.3956
H3	1.1291	2.2552		3.1765	2.0732	2.0732	2.7363	2.7363
H4	2.2552	1.1291	3.1765		2.7363	2.7363	2.0732	2.0732
F5	1.3956	2.4715	2.0732	2.7363		2.2669	2.8883	3.6717
F6	1.3956	2.4715	2.0732	2.7363	2.2669		3.6717	2.8883
F7	2.4715	1.3956	2.7363	2.0732	2.8883	3.6717		2.2669
F8	2.4715	1.3956	2.7363	2.0732	3.6717	2.8883	2.2669

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	108.802	C1	C2	F7	109.749
C1	C2	F8	109.749	C2	C1	H3	108.802
C2	C1	F5	109.749	C2	C1	F6	109.749
H3	C1	F5	109.960	H3	C1	F6	109.960
H4	C2	F7	109.960	H4	C2	F8	109.960
F5	C1	F6	108.613	F7	C2	F8	108.613

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

using model chemistry: MP2=FULL/STO-3G

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=FULL/STO-3G

States and conformations

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