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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-1196.303735
Energy at 298.15K-1196.304347
HF Energy-1196.303735
Nuclear repulsion energy352.960624
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 mPW1PW91/6-311G**
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 1793 1716 17.55      
2 A1 1195 1144 371.19      
3 A1 579 554 1.17      
4 A1 337 323 2.75      
5 A1 173 165 1.40      
6 A2 564 540 0.00      
7 A2 149 143 0.00      
8 B1 354 339 0.26      
9 B2 1236 1183 31.62      
10 B2 978 936 199.99      
11 B2 438 419 0.14      
12 B2 426 408 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 4111.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 3933.4 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 mPW1PW91/6-311G**
ABC
0.10371 0.06267 0.03906

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 0.413
C2 0.000 -0.665 0.413
F3 0.000 1.326 1.560
F4 0.000 -1.326 1.560
Cl5 0.000 1.655 -0.972
Cl6 0.000 -1.655 -0.972

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32981.32322.29721.70262.7020
C21.32982.29721.32322.70201.7026
F31.32322.29722.65182.55263.9107
F42.29721.32322.65183.91072.5526
Cl51.70262.70202.55263.91073.3102
Cl62.70201.70263.91072.55263.3102

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 119.968 C1 C2 Cl6 125.563
C2 C1 F3 119.968 C2 C1 Cl5 125.563
F3 C1 Cl5 114.468 F4 C2 Cl6 114.468
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.155      
2 C 0.155      
3 F -0.168      
4 F -0.168      
5 Cl 0.013      
6 Cl 0.013      


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 -0.833 0.833
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.627 0.000 0.000
y 0.000 -46.261 0.000
z 0.000 0.000 -46.095
Traceless
 xyz
x 0.551 0.000 0.000
y 0.000 -0.400 0.000
z 0.000 0.000 -0.151
Polar
3z2-r2-0.303
x2-y20.634
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.945 0.000 0.000
y 0.000 8.406 0.000
z 0.000 0.000 6.651


<r2> (average value of r2) Å2
<r2> 236.749
(<r2>)1/2 15.387