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All results from a given calculation for CFClCFCl (cis-1,2-dichloro-1,2-difluoroethylene)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-1196.015781
Energy at 298.15K-1196.016321
HF Energy-1196.015781
Nuclear repulsion energy351.534676
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 B3PW91/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1787 1713 14.76      
2 A1 1205 1155 330.55      
3 A1 574 550 1.90      
4 A1 331 318 2.39      
5 A1 168 161 1.26      
6 A2 533 511 0.00      
7 A2 148 142 0.00      
8 B1 351 337 0.61      
9 B2 1256 1204 26.83      
10 B2 970 930 179.62      
11 B2 434 416 0.06      
12 B2 419 401 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 4088.0 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 3918.0 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 B3PW91/6-31G**
ABC
0.10279 0.06218 0.03875

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.668 0.413
C2 0.000 -0.668 0.413
F3 0.000 1.326 1.567
F4 0.000 -1.326 1.567
Cl5 0.000 1.663 -0.976
Cl6 0.000 -1.663 -0.976

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33611.32872.30431.70872.7138
C21.33612.30431.32872.71381.7087
F31.32872.30432.65302.56523.9251
F42.30431.32872.65303.92512.5652
Cl51.70872.71382.56523.92513.3269
Cl62.71381.70873.92512.56523.3269

picture of cis-1,2-dichloro-1,2-difluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 119.707 C1 C2 Cl6 125.629
C2 C1 F3 119.707 C2 C1 Cl5 125.629
F3 C1 Cl5 114.664 F4 C2 Cl6 114.664
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.154      
2 C 0.154      
3 F -0.229      
4 F -0.229      
5 Cl 0.075      
6 Cl 0.075      


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 -0.586 0.586
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.802 0.000 0.000
y 0.000 -45.138 0.000
z 0.000 0.000 -45.117
Traceless
 xyz
x 0.325 0.000 0.000
y 0.000 -0.179 0.000
z 0.000 0.000 -0.147
Polar
3z2-r2-0.293
x2-y20.336
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.091 0.000 0.000
y 0.000 8.426 0.000
z 0.000 0.000 6.528


<r2> (average value of r2) Å2
<r2> 237.853
(<r2>)1/2 15.422