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	hartrees
Energy at 0K	-476.239496
Energy at 298.15K	-476.243581
HF Energy	-474.835469
Nuclear repulsion energy	267.838913

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3169	3009	0.00
2	A_g	1513	1437	0.00
3	A_g	1202	1141	0.00
4	A_g	1143	1085	0.00
5	A_g	641	609	0.00
6	A_g	372	353	0.00
7	A_u	1393	1323	33.94
8	A_u	1194	1134	384.83
9	A_u	210	200	2.37
10	A_u	93	88	2.04
11	B_g	1421	1349	0.00
12	B_g	1158	1100	0.00
13	B_g	496	471	0.00
14	B_u	3181	3020	38.04
15	B_u	1358	1290	25.37
16	B_u	1169	1110	212.84
17	B_u	554	526	9.44
18	B_u	416	395	47.30

Atom	x (Å)	y (Å)	z (Å)
C1	-0.243	0.715	0.000
C2	0.243	-0.715	0.000
H3	-1.325	0.770	0.000
H4	1.325	-0.770	0.000
F5	0.243	1.334	1.094
F6	0.243	1.334	-1.094
F7	-0.243	-1.334	1.094
F8	-0.243	-1.334	-1.094

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5097	1.0830	2.1595	1.3482	1.3482	2.3226	2.3226
C2	1.5097		2.1595	1.0830	2.3226	2.3226	1.3482	1.3482
H3	1.0830	2.1595		3.0648	1.9934	1.9934	2.6067	2.6067
H4	2.1595	1.0830	3.0648		2.6067	2.6067	1.9934	1.9934
F5	1.3482	2.3226	1.9934	2.6067		2.1885	2.7120	3.4849
F6	1.3482	2.3226	1.9934	2.6067	2.1885		3.4849	2.7120
F7	2.3226	1.3482	2.6067	1.9934	2.7120	3.4849		2.1885
F8	2.3226	1.3482	2.6067	1.9934	3.4849	2.7120	2.1885

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	111.735	C1	C2	F7	108.586
C1	C2	F8	108.586	C2	C1	H3	111.735
C2	C1	F5	108.586	C2	C1	F6	108.586
H3	C1	F5	109.674	H3	C1	F6	109.674
H4	C2	F7	109.674	H4	C2	F8	109.674
F5	C1	F6	108.517	F7	C2	F8	108.517

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

using model chemistry: MP2=FULL/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: MP2=FULL/cc-pVTZ

States and conformations

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