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All results from a given calculation for C2F4 (Tetrafluoroethylene)

using model chemistry: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-475.564518
Energy at 298.15K-475.565673
HF Energy-475.564518
Nuclear repulsion energy245.502862
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 wB97X-D/cc-pVTZ
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 1951 1865 0.00      
2 Ag 814 778 0.00      
3 Ag 407 389 0.00      
4 Au 205 196 0.00      
5 B1u 1215 1161 402.16      
6 B1u 565 540 2.01      
7 B2g 579 553 0.00      
8 B2u 1369 1309 426.62      
9 B2u 213 204 4.52      
10 B3g 1371 1311 0.00      
11 B3g 560 535 0.00      
12 B3u 438 419 3.02      

Unscaled Zero Point Vibrational Energy (zpe) 4842.6 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 4629.5 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 wB97X-D/cc-pVTZ
ABC
0.18502 0.10855 0.06841

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.675
C2 0.000 0.000 -0.675
F3 0.000 1.223 1.408
F4 0.000 -1.223 1.408
F5 0.000 -1.223 -1.408
F6 0.000 1.223 -1.408

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6
C11.35071.42571.42572.41592.4159
C21.35072.41592.41591.42571.4257
F31.42572.41592.44603.73022.8163
F41.42572.41592.44602.81633.7302
F52.41591.42573.73022.81632.4460
F62.41591.42572.81633.73022.4460

picture of Tetrafluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 120.930 C1 C2 F6 120.930
C2 C1 F3 120.930 C2 C1 F4 120.930
F3 C1 F4 118.141 F5 C2 F6 118.141
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.247      
2 C 0.247      
3 F -0.123      
4 F -0.123      
5 F -0.123      
6 F -0.123      


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 -29.028 0.000 0.000
y 0.000 -31.694 0.000
z 0.000 0.000 -31.566
Traceless
 xyz
x 2.602 0.000 0.000
y 0.000 -1.397 0.000
z 0.000 0.000 -1.205
Polar
3z2-r2-2.410
x2-y22.666
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.421 0.000 0.000
y 0.000 3.717 0.000
z 0.000 0.000 5.019


<r2> (average value of r2) Å2
<r2> 136.216
(<r2>)1/2 11.671