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All results from a given calculation for C2F4 (Tetrafluoroethylene)

using model chemistry: wB97X-D/TZVP

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/TZVP
 hartrees
Energy at 0K-475.571481
Energy at 298.15K-475.572620
HF Energy-475.571481
Nuclear repulsion energy245.351609
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/TZVP
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 1950 1862 0.00      
2 Ag 812 776 0.00      
3 Ag 409 390 0.00      
4 Au 203 193 0.00      
5 B1u 1211 1156 427.93      
6 B1u 567 541 2.04      
7 B2g 570 544 0.00      
8 B2u 1362 1301 469.84      
9 B2u 216 207 5.58      
10 B3g 1365 1303 0.00      
11 B3g 562 537 0.00      
12 B3u 426 407 3.53      

Unscaled Zero Point Vibrational Energy (zpe) 4826.0 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 4608.8 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/TZVP
ABC
0.18461 0.10853 0.06835

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

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
C11.35001.42591.42592.41572.4157
C21.35002.41572.41571.42591.4259
F31.42592.41572.44573.73042.8167
F41.42592.41572.44572.81673.7304
F52.41571.42593.73042.81672.4457
F62.41571.42592.81673.73042.4457

picture of Tetrafluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 120.952 C1 C2 F6 120.952
C2 C1 F3 120.952 C2 C1 F4 120.952
F3 C1 F4 118.095 F5 C2 F6 118.095
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.281      
2 C 0.281      
3 F -0.140      
4 F -0.140      
5 F -0.140      
6 F -0.140      


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 -29.202 0.000 0.000
y 0.000 -32.554 0.000
z 0.000 0.000 -32.343
Traceless
 xyz
x 3.246 0.000 0.000
y 0.000 -1.782 0.000
z 0.000 0.000 -1.465
Polar
3z2-r2-2.930
x2-y23.352
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.438 0.000 0.000
y 0.000 3.585 0.000
z 0.000 0.000 4.971


<r2> (average value of r2) Å2
<r2> 136.706
(<r2>)1/2 11.692