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All results from a given calculation for C2F4 (Tetrafluoroethylene)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-468.649625
Energy at 298.15K-468.649758
Nuclear repulsion energy231.340935
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 BLYP/STO-3G
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 1695 1568 0.00      
2 Ag 748 692 0.00      
3 Ag 340 314 0.00      
4 Au 160 148 0.00      
5 B1u 1159 1073 110.79      
6 B1u 478 443 1.49      
7 B2g 280 259 0.00      
8 B2u 1329 1230 121.63      
9 B2u 167 155 0.82      
10 B3g 1387 1283 0.00      
11 B3g 495 458 0.00      
12 B3u 365 338 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4301.6 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 3979.9 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 BLYP/STO-3G
ABC
0.16326 0.09696 0.06083

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.699
C2 0.000 0.000 -0.699
F3 0.000 1.166 1.461
F4 0.000 -1.166 1.461
F5 0.000 -1.166 -1.461
F6 0.000 1.166 -1.461

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6
C11.39731.39271.39272.45392.4539
C21.39732.45392.45391.39271.3927
F31.39272.45392.33133.73762.9214
F41.39272.45392.33132.92143.7376
F52.45391.39273.73762.92142.3313
F62.45391.39272.92143.73762.3313

picture of Tetrafluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 123.176 C1 C2 F6 123.176
C2 C1 F3 123.176 C2 C1 F4 123.176
F3 C1 F4 113.648 F5 C2 F6 113.648
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.080      
2 C 0.080      
3 F -0.040      
4 F -0.040      
5 F -0.040      
6 F -0.040      


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 -25.770 0.000 0.000
y 0.000 -26.649 0.000
z 0.000 0.000 -26.269
Traceless
 xyz
x 0.689 0.000 0.000
y 0.000 -0.629 0.000
z 0.000 0.000 -0.060
Polar
3z2-r2-0.120
x2-y20.879
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.483 0.000 0.000
y 0.000 2.707 0.000
z 0.000 0.000 3.979


<r2> (average value of r2) Å2
<r2> 147.967
(<r2>)1/2 12.164