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

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-1196.261588
Energy at 298.15K-1196.262146
HF Energy-1196.261588
Nuclear repulsion energy352.919657
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 B1B95/6-31+G**
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 1806 1727 16.36      
2 A1 1205 1153 372.92      
3 A1 582 557 0.82      
4 A1 327 313 2.61      
5 A1 161 154 1.22      
6 A2 561 537 0.00      
7 A2 149 143 0.00      
8 B1 347 332 0.46      
9 B2 1242 1188 30.02      
10 B2 984 941 184.17      
11 B2 439 420 0.24      
12 B2 420 402 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 4111.3 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 3932.8 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 B1B95/6-31+G**
ABC
0.10367 0.06267 0.03906

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.666 0.407
C2 0.000 -0.666 0.407
F3 0.000 1.323 1.562
F4 0.000 -1.323 1.562
Cl5 0.000 1.656 -0.971
Cl6 0.000 -1.656 -0.971

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33171.32872.29951.69702.7003
C21.33172.29951.32872.70031.6970
F31.32872.29952.64512.55493.9103
F42.29951.32872.64513.91032.5549
Cl51.69702.70032.55493.91033.3129
Cl62.70031.69703.91032.55493.3129

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 119.621 C1 C2 Cl6 125.714
C2 C1 F3 119.621 C2 C1 Cl5 125.714
F3 C1 Cl5 114.665 F4 C2 Cl6 114.665
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.036      
2 C 0.036      
3 F -0.226      
4 F -0.226      
5 Cl 0.190      
6 Cl 0.190      


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 -1.105 1.105
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.374 0.000 0.000
y 0.000 -45.752 0.000
z 0.000 0.000 -46.585
Traceless
 xyz
x 0.794 0.000 0.000
y 0.000 0.227 0.000
z 0.000 0.000 -1.022
Polar
3z2-r2-2.043
x2-y20.378
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.260 0.000 0.000
y 0.000 9.321 0.000
z 0.000 0.000 7.272


<r2> (average value of r2) Å2
<r2> 236.726
(<r2>)1/2 15.386