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All results from a given calculation for C2F4 (Tetrafluoroethylene)

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-475.295196
Energy at 298.15K-475.296064
HF Energy-475.295196
Nuclear repulsion energy241.608030
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 B97D3/6-31+G**
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 1852 1820 0.00      
2 Ag 764 751 0.00      
3 Ag 384 377 0.00      
4 Au 187 184 0.00      
5 B1u 1142 1123 372.16      
6 B1u 531 521 2.43      
7 B2g 465 457 0.00      
8 B2u 1278 1256 462.97      
9 B2u 204 200 4.64      
10 B3g 1277 1255 0.00      
11 B3g 528 519 0.00      
12 B3u 394 387 3.03      

Unscaled Zero Point Vibrational Energy (zpe) 4502.3 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 4424.9 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 B97D3/6-31+G**
ABC
0.17839 0.10560 0.06633

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.668
C2 0.000 0.000 -0.668
F3 0.000 1.115 1.400
F4 0.000 -1.115 1.400
F5 0.000 -1.115 -1.400
F6 0.000 1.115 -1.400

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6
C11.33641.33381.33382.34962.3496
C21.33642.34962.34961.33381.3338
F31.33382.34962.23033.57952.7998
F41.33382.34962.23032.79983.5795
F52.34961.33383.57952.79982.2303
F62.34961.33382.79983.57952.2303

picture of Tetrafluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 121.094 C1 C2 F6 121.094
C2 C1 F3 121.094 C2 C1 F4 121.094
F3 C1 F4 117.811 F5 C2 F6 117.811
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.537      
2 C 0.537      
3 F -0.269      
4 F -0.269      
5 F -0.269      
6 F -0.269      


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 -29.518 0.000 0.000
y 0.000 -32.557 0.000
z 0.000 0.000 -32.480
Traceless
 xyz
x 3.000 0.000 0.000
y 0.000 -1.558 0.000
z 0.000 0.000 -1.442
Polar
3z2-r2-2.884
x2-y23.039
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.752 0.000 0.000
y 0.000 4.234 0.000
z 0.000 0.000 5.641


<r2> (average value of r2) Å2
<r2> 140.361
(<r2>)1/2 11.847