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All results from a given calculation for C2F4 (Tetrafluoroethylene)

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-475.441724
Energy at 298.15K-475.442794
Nuclear repulsion energy244.605607
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 B1B95/cc-pVDZ
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 1960 1884 0.00      
2 Ag 809 777 0.00      
3 Ag 395 380 0.00      
4 Au 200 192 0.00      
5 B1u 1210 1163 396.60      
6 B1u 555 533 2.05      
7 B2g 549 527 0.00      
8 B2u 1379 1325 424.78      
9 B2u 196 188 4.89      
10 B3g 1389 1335 0.00      
11 B3g 552 530 0.00      
12 B3u 435 418 3.84      

Unscaled Zero Point Vibrational Energy (zpe) 4813.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 4626.5 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 B1B95/cc-pVDZ
ABC
0.18336 0.10792 0.06793

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.662
C2 0.000 0.000 -0.662
F3 0.000 1.100 1.385
F4 0.000 -1.100 1.385
F5 0.000 -1.100 -1.385
F6 0.000 1.100 -1.385

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6
C11.32441.31591.31592.32362.3236
C21.32442.32362.32361.31591.3159
F31.31592.32362.19983.53662.7692
F41.31592.32362.19982.76923.5366
F52.32361.31593.53662.76922.1998
F62.32361.31592.76923.53662.1998

picture of Tetrafluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 123.295 C1 C2 F6 123.295
C2 C1 F3 123.295 C2 C1 F4 123.295
F3 C1 F4 113.410 F5 C2 F6 113.410
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.250      
2 C 0.250      
3 F -0.125      
4 F -0.125      
5 F -0.125      
6 F -0.125      


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 -28.805 0.000 0.000
y 0.000 -31.249 0.000
z 0.000 0.000 -31.293
Traceless
 xyz
x 2.466 0.000 0.000
y 0.000 -1.200 0.000
z 0.000 0.000 -1.266
Polar
3z2-r2-2.533
x2-y22.444
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.821 0.000 0.000
y 0.000 3.204 0.000
z 0.000 0.000 4.530


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000