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	hartrees
Energy at 0K	-475.597321
Energy at 298.15K	-475.601335
HF Energy	-474.644233
Nuclear repulsion energy	265.992655

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3186	3002	0.00
2	A_g	1531	1442	0.00
3	A_g	1206	1137	0.00
4	A_g	1149	1083	0.00
5	A_g	629	593	0.00
6	A_g	364	343	0.00
7	A_u	1418	1336	57.67
8	A_u	1203	1134	339.91
9	A_u	204	192	2.36
10	A_u	92	87	2.35
11	B_g	1448	1364	0.00
12	B_g	1170	1102	0.00
13	B_g	496	467	0.00
14	B_u	3196	3011	49.19
15	B_u	1357	1279	33.24
16	B_u	1167	1100	205.40
17	B_u	536	505	10.25
18	B_u	419	395	51.27

Atom	x (Å)	y (Å)	z (Å)
C1	-0.247	0.714	0.000
C2	0.247	-0.714	0.000
H3	-1.337	0.772	0.000
H4	1.337	-0.772	0.000
F5	0.247	1.335	1.107
F6	0.247	1.335	-1.107
F7	-0.247	-1.335	1.107
F8	-0.247	-1.335	-1.107

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5106	1.0917	2.1721	1.3624	1.3624	2.3287	2.3287
C2	1.5106		2.1721	1.0917	2.3287	2.3287	1.3624	1.3624
H3	1.0917	2.1721		3.0883	2.0130	2.0130	2.6182	2.6182
H4	2.1721	1.0917	3.0883		2.6182	2.6182	2.0130	2.0130
F5	1.3624	2.3287	2.0130	2.6182		2.2149	2.7149	3.5038
F6	1.3624	2.3287	2.0130	2.6182	2.2149		3.5038	2.7149
F7	2.3287	1.3624	2.6182	2.0130	2.7149	3.5038		2.2149
F8	2.3287	1.3624	2.6182	2.0130	3.5038	2.7149	2.2149

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	112.166	C1	C2	F7	108.193
C1	C2	F8	108.193	C2	C1	H3	112.166
C2	C1	F5	108.193	C2	C1	F6	108.193
H3	C1	F5	109.730	H3	C1	F6	109.730
H4	C2	F7	109.730	H4	C2	F8	109.730
F5	C1	F6	108.752	F7	C2	F8	108.752

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

using model chemistry: MP2=FULL/6-31G*

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/6-31G*

States and conformations

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