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	hartrees
Energy at 0K	-473.756428
Energy at 298.15K	-473.760302
HF Energy	-473.756428
Nuclear repulsion energy	263.586395

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3147	3021	0.00
2	A_g	1495	1435	0.00
3	A_g	1167	1121	0.00
4	A_g	1106	1062	0.00
5	A_g	602	578	0.00
6	A_g	348	334	0.00
7	A_u	1411	1354	53.43
8	A_u	1211	1162	220.94
9	A_u	186	178	3.52
10	A_u	85	82	2.16
11	B_g	1427	1370	0.00
12	B_g	1157	1110	0.00
13	B_g	473	454	0.00
14	B_u	3164	3037	54.33
15	B_u	1358	1303	20.11
16	B_u	1146	1100	152.46
17	B_u	513	493	12.48
18	B_u	384	368	57.48

Atom	x (Å)	y (Å)	z (Å)
C1	-0.250	0.712	0.000
C2	0.250	-0.712	0.000
H3	-1.339	0.738	0.000
H4	1.339	-0.738	0.000
F5	0.250	1.339	1.126
F6	0.250	1.339	-1.126
F7	-0.250	-1.339	1.126
F8	-0.250	-1.339	-1.126

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5082	1.0900	2.1510	1.3824	1.3824	2.3392	2.3392
C2	1.5082		2.1510	1.0900	2.3392	2.3392	1.3824	1.3824
H3	1.0900	2.1510		3.0586	2.0380	2.0380	2.6019	2.6019
H4	2.1510	1.0900	3.0586		2.6019	2.6019	2.0380	2.0380
F5	1.3824	2.3392	2.0380	2.6019		2.2529	2.7232	3.5343
F6	1.3824	2.3392	2.0380	2.6019	2.2529		3.5343	2.7232
F7	2.3392	1.3824	2.6019	2.0380	2.7232	3.5343		2.2529
F8	2.3392	1.3824	2.6019	2.0380	3.5343	2.7232	2.2529

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	110.728	C1	C2	F7	107.968
C1	C2	F8	107.968	C2	C1	H3	110.728
C2	C1	F5	107.968	C2	C1	F6	107.968
H3	C1	F5	110.475	H3	C1	F6	110.475
H4	C2	F7	110.475	H4	C2	F8	110.475
F5	C1	F6	109.148	F7	C2	F8	109.148

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

using model chemistry: HSEh1PBE/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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Number	Element	Mulliken
1	C	0.320
2	C	0.320
3	H	0.247
4	H	0.247
5	F	-0.284
6	F	-0.284
7	F	-0.284
8	F	-0.284

	x	y	z
x	2.859	0.033	0.000
y	0.033	2.769	0.000
z	0.000	0.000	3.135

<r²>	144.273
(<r²>)^1/2	12.011

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

using model chemistry: HSEh1PBE/3-21G*

States and conformations

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