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	hartrees
Energy at 0K	-476.168630
Energy at 298.15K	-476.172719
HF Energy	-474.835618
Nuclear repulsion energy	267.548856

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	3137	2953	0.00
2	A_g	1520	1431	0.00
3	A_g	1201	1131	0.00
4	A_g	1146	1079	0.00
5	A_g	645	607	0.00
6	A_g	372	350	0.00
7	A_u	1393	1311	46.84
8	A_u	1214	1142	373.84
9	A_u	210	197	2.40
10	A_u	87	82	2.25
11	B_g	1423	1339	0.00
12	B_g	1182	1112	0.00
13	B_g	498	469	0.00
14	B_u	3148	2963	41.12
15	B_u	1359	1279	30.71
16	B_u	1181	1111	220.98
17	B_u	559	526	10.40
18	B_u	419	395	48.93

Atom	x (Å)	y (Å)	z (Å)
C1	-0.243	0.720	0.000
C2	0.243	-0.720	0.000
H3	-1.330	0.778	0.000
H4	1.330	-0.778	0.000
F5	0.243	1.339	1.092
F6	0.243	1.339	-1.092
F7	-0.243	-1.339	1.092
F8	-0.243	-1.339	-1.092

	C1	C2	H3	H4	F5	F6	F7	F8
C1		1.5193	1.0885	2.1725	1.3464	1.3464	2.3303	2.3303
C2	1.5193		2.1725	1.0885	2.3303	2.3303	1.3464	1.3464
H3	1.0885	2.1725		3.0823	1.9958	1.9958	2.6184	2.6184
H4	2.1725	1.0885	3.0823		2.6184	2.6184	1.9958	1.9958
F5	1.3464	2.3303	1.9958	2.6184		2.1837	2.7220	3.4897
F6	1.3464	2.3303	1.9958	2.6184	2.1837		3.4897	2.7220
F7	2.3303	1.3464	2.6184	1.9958	2.7220	3.4897		2.1837
F8	2.3303	1.3464	2.6184	1.9958	3.4897	2.7220	2.1837

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	H4	111.765	C1	C2	F7	108.664
C1	C2	F8	108.664	C2	C1	H3	111.765
C2	C1	F5	108.664	C2	C1	F6	108.664
H3	C1	F5	109.649	H3	C1	F6	109.649
H4	C2	F7	109.649	H4	C2	F8	109.649
F5	C1	F6	108.378	F7	C2	F8	108.378

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

using model chemistry: CCSD/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: CCSD/cc-pVTZ

States and conformations

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