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All results from a given calculation for CFClCClF (trans-1,2-dichloro-1,2-difluoroethylene)

using model chemistry: HSEh1PBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-1195.878664
Energy at 298.15K-1195.879266
HF Energy-1195.878664
Nuclear repulsion energy352.090762
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 HSEh1PBE/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 Ag 1787 1719 0.00      
2 Ag 1210 1164 0.00      
3 Ag 653 628 0.00      
4 Ag 433 417 0.00      
5 Ag 292 281 0.00      
6 Au 372 358 0.52      
7 Au 135 130 0.22      
8 Bg 571 549 0.00      
9 Bu 1250 1202 298.70      
10 Bu 898 864 181.15      
11 Bu 432 416 2.45      
12 Bu 178 171 1.92      

Unscaled Zero Point Vibrational Energy (zpe) 4105.4 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 3948.6 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 HSEh1PBE/aug-cc-pVTZ
ABC
0.14410 0.05084 0.03758

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.064 0.661 0.000
C2 0.064 -0.661 0.000
F3 -1.252 1.237 0.000
F4 1.252 -1.237 0.000
Cl5 1.252 1.736 0.000
Cl6 -1.252 -1.736 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32761.32022.30931.69922.6745
C21.32762.30931.32022.67451.6992
F31.32022.30933.51982.55312.9725
F42.30931.32023.51982.97252.5531
Cl51.69922.67452.55312.97254.2800
Cl62.67451.69922.97252.55314.2800

picture of trans-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 121.419 C1 C2 Cl6 123.699
C2 C1 F3 121.419 C2 C1 Cl5 123.699
F3 C1 Cl5 114.882 F4 C2 Cl6 114.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.348      
2 C 0.348      
3 F -0.256      
4 F -0.256      
5 Cl -0.092      
6 Cl -0.092      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.814 2.516 0.000
y 2.516 -45.424 0.000
z 0.000 0.000 -45.297
Traceless
 xyz
x -0.454 2.516 0.000
y 2.516 0.132 0.000
z 0.000 0.000 0.321
Polar
3z2-r20.643
x2-y2-0.391
xy2.516
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.587 2.077 0.000
y 2.077 10.870 0.000
z 0.000 0.000 5.642


<r2> (average value of r2) Å2
<r2> 245.172
(<r2>)1/2 15.658