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All results from a given calculation for C2F4 (Tetrafluoroethylene)

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-107.870418
Energy at 298.15K-107.871109
Nuclear repulsion energy128.798350
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/CEP-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1863 1804 0.00      
2 Ag 726 703 0.00      
3 Ag 355 344 0.00      
4 Au 180 174 0.00      
5 B1u 1096 1062 283.03      
6 B1u 493 477 5.79      
7 B2g 448 433 0.00      
8 B2u 1239 1200 320.72      
9 B2u 195 189 8.12      
10 B3g 1244 1205 0.00      
11 B3g 509 493 0.00      
12 B3u 365 353 7.90      

Unscaled Zero Point Vibrational Energy (zpe) 4356.2 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 4218.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/CEP-31G
ABC
0.16845 0.10065 0.06301

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.680
C2 0.000 0.000 -0.680
F3 0.000 1.148 1.435
F4 0.000 -1.148 1.435
F5 0.000 -1.148 -1.435
F6 0.000 1.148 -1.435

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6
C11.35911.37371.37372.40552.4055
C21.35912.40552.40551.37371.3737
F31.37372.40552.29513.67422.8692
F41.37372.40552.29512.86923.6742
F52.40551.37373.67422.86922.2951
F62.40551.37372.86923.67422.2951

picture of Tetrafluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 123.343 C1 C2 F6 123.343
C2 C1 F3 123.343 C2 C1 F4 123.343
F3 C1 F4 113.314 F5 C2 F6 113.314
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.222      
2 C 0.222      
3 F -0.111      
4 F -0.111      
5 F -0.111      
6 F -0.111      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.560 0.000 0.000
y 0.000 -34.643 0.000
z 0.000 0.000 -34.868
Traceless
 xyz
x 5.195 0.000 0.000
y 0.000 -2.429 0.000
z 0.000 0.000 -2.766
Polar
3z2-r2-5.532
x2-y25.082
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.743 0.000 0.000
y 0.000 3.587 0.000
z 0.000 0.000 5.024


<r2> (average value of r2) Å2
<r2> 118.819
(<r2>)1/2 10.900