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	hartrees
Energy at 0K	-472.719408
Energy at 298.15K	-472.723297
HF Energy	-472.072247
Nuclear repulsion energy	261.680443

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3195	3039	0.00
2	A_g	1520	1446	0.00
3	A_g	1168	1112	0.00
4	A_g	1110	1056	0.00
5	A_g	600	571	0.00
6	A_g	349	332	0.00
7	A_u	1452	1381	51.40
8	A_u	1208	1149	202.94
9	A_u	185	176	4.05
10	A_u	87	83	2.42
11	B_g	1472	1400	0.00
12	B_g	1163	1106	0.00
13	B_g	475	452	0.00
14	B_u	3210	3054	51.01
15	B_u	1382	1315	29.23
16	B_u	1136	1081	145.55
17	B_u	514	489	14.67
18	B_u	389	370	63.47

Atom	x (Å)	y (Å)	z (Å)
C1	-0.252	0.714	0.000
C2	0.252	-0.714	0.000
H3	-1.338	0.749	0.000
H4	1.338	-0.749	0.000
F5	0.252	1.346	1.137
F6	0.252	1.346	-1.137
F7	-0.252	-1.346	1.137
F8	-0.252	-1.346	-1.137

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5145	1.0867	2.1607	1.3954	1.3954	2.3531	2.3531
C2	1.5145		2.1607	1.0867	2.3531	2.3531	1.3954	1.3954
H3	1.0867	2.1607		3.0668	2.0444	2.0444	2.6192	2.6192
H4	2.1607	1.0867	3.0668		2.6192	2.6192	2.0444	2.0444
F5	1.3954	2.3531	2.0444	2.6192		2.2749	2.7385	3.5602
F6	1.3954	2.3531	2.0444	2.6192	2.2749		3.5602	2.7385
F7	2.3531	1.3954	2.6192	2.0444	2.7385	3.5602		2.2749
F8	2.3531	1.3954	2.6192	2.0444	3.5602	2.7385	2.2749

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	111.271	C1	C2	F7	107.857
C1	C2	F8	107.857	C2	C1	H3	111.271
C2	C1	F5	107.857	C2	C1	F6	107.857
H3	C1	F5	110.289	H3	C1	F6	110.289
H4	C2	F7	110.289	H4	C2	F8	110.289
F5	C1	F6	109.199	F7	C2	F8	109.199

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

using model chemistry: MP2/3-21G*

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: MP2/3-21G*

States and conformations

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