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	hartrees
Energy at 0K	-475.118854
Energy at 298.15K	-475.119892
HF Energy	-475.118854
Nuclear repulsion energy	244.275360

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1953	1864	0.00
2	A_g	807	771	0.00
3	A_g	395	377	0.00
4	A_u	199	190	0.00
5	B_1u	1207	1153	398.41
6	B_1u	551	526	3.23
7	B_2g	539	515	0.00
8	B_2u	1367	1305	457.80
9	B_2u	203	194	5.04
10	B_3g	1368	1306	0.00
11	B_3g	552	527	0.00
12	B_3u	416	398	4.20

Atom	y (Å)	z (Å)
C1	0.000	0.662
C2	0.000	-0.662
F3	1.102	1.386
F4	-1.102	1.386
F5	-1.102	-1.386
F6	1.102	-1.386

	C1	C2	F3	F4	F5	F6
C1		1.3236	1.3185	1.3185	2.3253	2.3253
C2	1.3236		2.3253	2.3253	1.3185	1.3185
F3	1.3185	2.3253		2.2039	3.5411	2.7716
F4	1.3185	2.3253	2.2039		2.7716	3.5411
F5	2.3253	1.3185	3.5411	2.7716		2.2039
F6	2.3253	1.3185	2.7716	3.5411	2.2039

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
C1	C2	F5	123.305	C1	C2	F6	123.305
C2	C1	F3	123.305	C2	C1	F4	123.305
F3	C1	F4	113.390	F5	C2	F6	113.390

All results from a given calculation for C₂F₄ (Tetrafluoroethylene)

using model chemistry: HSEh1PBE/6-31+G**

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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Calc. vs exp. Bad Vib. HF vs MP2 Bad scale factors Low excited states Oddities NaCN Is not linear FAQ Help Units Choose Units Energy Bond length Rotational Constant Moment of Inertia Dipole and Quadrupole Polarizability Explanations Hartree cm-1 Debye Credits Just show me Show me a calculated geometry Summary Using older interface Limit Basis sets Method options List Recent molecules Choose a few Molecules Number of atoms By heavy atoms Diatomics InChI Deuterated Dimers Geometry Point group Point group count Bonds types Isodesmic reactions Bad point group Multiple conformers, states Vibrations Big anharmonicity Energy Enthalpy at 0 Kelvin Similar molecules Similar Isomers Cis/trans Tautomers Multiple conformers, states Ions, Dipoles, etc. List Ions Ionization changes point group Dipole Quadrupole Polarizability Proton Affinities Index of CCCBDB Feedback Error form Wants
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Number	Element	Mulliken
1	C	0.566
2	C	0.566
3	F	-0.283
4	F	-0.283
5	F	-0.283
6	F	-0.283

<r²>	137.793
(<r²>)^1/2	11.739

All results from a given calculation for C2F4 (Tetrafluoroethylene)

using model chemistry: HSEh1PBE/6-31+G**

States and conformations

All results from a given calculation for C₂F₄ (Tetrafluoroethylene)