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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-1196.018380
Energy at 298.15K-1196.018928
HF Energy-1196.018380
Nuclear repulsion energy350.141153
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 B3PW91/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1797 1722 0.00      
2 Ag 1230 1179 0.00      
3 Ag 649 622 0.00      
4 Ag 429 411 0.00      
5 Ag 292 280 0.00      
6 Au 371 355 1.06      
7 Au 136 130 0.09      
8 Bg 545 522 0.00      
9 Bu 1273 1220 301.44      
10 Bu 890 853 196.65      
11 Bu 429 411 1.86      
12 Bu 177 169 2.28      

Unscaled Zero Point Vibrational Energy (zpe) 4108.1 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 3937.2 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 B3PW91/6-31G**
ABC
0.14256 0.05028 0.03717

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.066 0.664 0.000
C2 0.066 -0.664 0.000
F3 -1.260 1.241 0.000
F4 1.260 -1.241 0.000
Cl5 1.260 1.745 0.000
Cl6 -1.260 -1.745 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33441.32552.32111.71112.6887
C21.33442.32111.32552.68871.7111
F31.32552.32113.53672.56922.9867
F42.32111.32553.53672.98672.5692
Cl51.71112.68872.56922.98674.3050
Cl62.68871.71112.98672.56924.3050

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 121.529 C1 C2 Cl6 123.493
C2 C1 F3 121.529 C2 C1 Cl5 123.493
F3 C1 Cl5 114.978 F4 C2 Cl6 114.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.151      
2 C 0.151      
3 F -0.222      
4 F -0.222      
5 Cl 0.071      
6 Cl 0.071      


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 -44.932 1.734 0.000
y 1.734 -44.983 0.000
z 0.000 0.000 -44.822
Traceless
 xyz
x -0.029 1.734 0.000
y 1.734 -0.105 0.000
z 0.000 0.000 0.135
Polar
3z2-r20.269
x2-y20.051
xy1.734
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.732 2.209 0.000
y 2.209 8.738 0.000
z 0.000 0.000 3.073


<r2> (average value of r2) Å2
<r2> 247.213
(<r2>)1/2 15.723