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

using model chemistry: mPW1PW91/TZVP

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/TZVP
 hartrees
Energy at 0K-1196.336774
Energy at 298.15K-1196.337390
HF Energy-1196.336774
Nuclear repulsion energy352.629698
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/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 A1 1788 1706 17.92      
2 A1 1191 1137 370.44      
3 A1 577 550 1.23      
4 A1 340 325 2.71      
5 A1 172 164 1.23      
6 A2 575 549 0.00      
7 A2 149 142 0.00      
8 B1 351 335 0.15      
9 B2 1234 1178 37.20      
10 B2 979 934 184.72      
11 B2 438 418 0.04      
12 B2 426 406 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 4109.9 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 3920.8 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 mPW1PW91/TZVP
ABC
0.10316 0.06276 0.03902

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.664 0.418
C2 0.000 -0.664 0.418
F3 0.000 1.327 1.563
F4 0.000 -1.327 1.563
Cl5 0.000 1.653 -0.975
Cl6 0.000 -1.653 -0.975

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32811.32302.29661.70812.7035
C21.32812.29661.32302.70351.7081
F31.32302.29662.65372.55843.9140
F42.29661.32302.65373.91402.5584
Cl51.70812.70352.55843.91403.3064
Cl62.70351.70813.91402.55843.3064

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 120.065 C1 C2 Cl6 125.389
C2 C1 F3 120.065 C2 C1 Cl5 125.389
F3 C1 Cl5 114.546 F4 C2 Cl6 114.546
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.132      
2 C 0.132      
3 F -0.124      
4 F -0.124      
5 Cl -0.008      
6 Cl -0.008      


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 -0.981 0.981
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.256 0.000 0.000
y 0.000 -45.868 0.000
z 0.000 0.000 -46.341
Traceless
 xyz
x 0.849 0.000 0.000
y 0.000 -0.070 0.000
z 0.000 0.000 -0.779
Polar
3z2-r2-1.559
x2-y20.612
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.871 0.000 0.000
y 0.000 8.671 0.000
z 0.000 0.000 6.986


<r2> (average value of r2) Å2
<r2> 236.883
(<r2>)1/2 15.391