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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-1195.552539
Energy at 298.15K-1195.552926
HF Energy-1195.552539
Nuclear repulsion energy348.922641
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 PBEPBE/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 1714 1690 14.03      
2 A1 1156 1140 325.97      
3 A1 552 545 2.85      
4 A1 319 315 2.09      
5 A1 163 160 1.16      
6 A2 483 476 0.00      
7 A2 141 139 0.00      
8 B1 335 330 0.17      
9 B2 1206 1190 22.87      
10 B2 928 916 167.56      
11 B2 418 413 0.01      
12 B2 404 398 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 3909.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 3855.6 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 PBEPBE/6-31G**
ABC
0.10100 0.06143 0.03820

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.674 0.417
C2 0.000 -0.674 0.417
F3 0.000 1.338 1.581
F4 0.000 -1.338 1.581
Cl5 0.000 1.672 -0.984
Cl6 0.000 -1.672 -0.984

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34871.33952.32431.72042.7331
C21.34872.32431.33952.73311.7204
F31.33952.32432.67522.58703.9546
F42.32431.33952.67523.95462.5870
Cl51.72042.73312.58703.95463.3440
Cl62.73311.72043.95462.58703.3440

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 119.679 C1 C2 Cl6 125.443
C2 C1 F3 119.679 C2 C1 Cl5 125.443
F3 C1 Cl5 114.877 F4 C2 Cl6 114.877
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.124      
2 C 0.124      
3 F -0.197      
4 F -0.197      
5 Cl 0.073      
6 Cl 0.073      


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 -0.399 0.399
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.947 0.000 0.000
y 0.000 -45.052 0.000
z 0.000 0.000 -44.783
Traceless
 xyz
x -0.030 0.000 0.000
y 0.000 -0.186 0.000
z 0.000 0.000 0.216
Polar
3z2-r20.432
x2-y20.104
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.128 0.000 0.000
y 0.000 8.685 0.000
z 0.000 0.000 6.869


<r2> (average value of r2) Å2
<r2> 240.796
(<r2>)1/2 15.518