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

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-1195.751336
Energy at 298.15K-1195.751767
HF Energy-1195.751336
Nuclear repulsion energy350.320988
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 PBEPBEultrafine/aug-cc-pVTZ
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 1686 1667 18.99      
2 A1 1120 1107 338.65      
3 A1 553 547 0.94      
4 A1 322 318 1.96      
5 A1 162 160 0.89      
6 A2 527 521 0.00      
7 A2 140 138 0.00      
8 B1 328 325 0.07      
9 B2 1149 1137 27.91      
10 B2 931 921 152.80      
11 B2 417 413 0.13      
12 B2 404 400 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 3869.5 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 3826.2 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.10176 0.06203 0.03854

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.672 0.414
C2 0.000 -0.672 0.414
F3 0.000 1.340 1.576
F4 0.000 -1.340 1.576
Cl5 0.000 1.660 -0.980
Cl6 0.000 -1.660 -0.980

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.34301.34022.32311.70942.7167
C21.34302.32311.34022.71671.7094
F31.34022.32312.68092.57593.9415
F42.32311.34022.68093.94152.5759
Cl51.70942.71672.57593.94153.3197
Cl62.71671.70943.94152.57593.3197

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 119.941 C1 C2 Cl6 125.322
C2 C1 F3 119.941 C2 C1 Cl5 125.322
F3 C1 Cl5 114.737 F4 C2 Cl6 114.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.333      
2 C 0.333      
3 F -0.254      
4 F -0.254      
5 Cl -0.079      
6 Cl -0.079      


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 -0.840 0.840
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.620 0.000 0.000
y 0.000 -45.910 0.000
z 0.000 0.000 -46.245
Traceless
 xyz
x 0.457 0.000 0.000
y 0.000 0.023 0.000
z 0.000 0.000 -0.480
Polar
3z2-r2-0.960
x2-y20.290
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.825 0.000 0.000
y 0.000 11.100 0.000
z 0.000 0.000 8.879


<r2> (average value of r2) Å2
<r2> 239.537
(<r2>)1/2 15.477