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

using model chemistry: B3PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B3PW91/TZVP
 hartrees
Energy at 0K-1196.179851
Energy at 298.15K-1196.180420
HF Energy-1196.179851
Nuclear repulsion energy350.178372
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 B3PW91/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 Ag 1775 1712 0.00      
2 Ag 1196 1153 0.00      
3 Ag 647 624 0.00      
4 Ag 428 413 0.00      
5 Ag 293 283 0.00      
6 Au 367 354 0.38      
7 Au 133 128 0.34      
8 Bg 559 539 0.00      
9 Bu 1236 1192 343.16      
10 Bu 880 848 203.11      
11 Bu 432 417 2.26      
12 Bu 180 174 2.10      

Unscaled Zero Point Vibrational Energy (zpe) 4063.2 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 3918.1 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 B3PW91/TZVP
ABC
0.14327 0.05014 0.03714

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.066 0.661 0.000
C2 0.066 -0.661 0.000
F3 -1.258 1.238 0.000
F4 1.258 -1.238 0.000
Cl5 1.258 1.750 0.000
Cl6 -1.258 -1.750 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32921.32382.31491.71432.6901
C21.32922.31491.32382.69011.7143
F31.32382.31493.52922.56732.9881
F42.31491.32383.52922.98812.5673
Cl51.71432.69012.56732.98814.3110
Cl62.69011.71432.98812.56734.3110

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 121.513 C1 C2 Cl6 123.742
C2 C1 F3 121.513 C2 C1 Cl5 123.742
F3 C1 Cl5 114.745 F4 C2 Cl6 114.745
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.134      
2 C 0.134      
3 F -0.125      
4 F -0.125      
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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.973 2.622 0.000
y 2.622 -45.541 0.000
z 0.000 0.000 -45.277
Traceless
 xyz
x -0.565 2.622 0.000
y 2.622 0.085 0.000
z 0.000 0.000 0.480
Polar
3z2-r20.961
x2-y2-0.433
xy2.622
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.243 2.141 0.000
y 2.141 9.112 0.000
z 0.000 0.000 3.910


<r2> (average value of r2) Å2
<r2> 247.797
(<r2>)1/2 15.742