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

using model chemistry: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-1182.418342
Energy at 298.15K-1182.418435
HF Energy-1182.418342
Nuclear repulsion energy341.359747
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 mPW1PW91/STO-3G
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 1826 1605 11.30      
2 A1 1278 1123 141.47      
3 A1 582 512 9.09      
4 A1 303 266 0.39      
5 A1 158 139 1.40      
6 A2 476 419 0.00      
7 A2 137 120 0.00      
8 B1 349 307 2.11      
9 B2 1405 1235 8.27      
10 B2 972 855 109.27      
11 B2 415 365 0.05      
12 B2 397 349 2.25      

Unscaled Zero Point Vibrational Energy (zpe) 4149.0 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 3646.6 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 mPW1PW91/STO-3G
ABC
0.09304 0.06122 0.03692

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.682 0.487
C2 0.000 -0.682 0.487
F3 0.000 1.411 1.628
F4 0.000 -1.411 1.628
Cl5 0.000 1.642 -1.034
Cl6 0.000 -1.642 -1.034

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.36391.35432.38421.79872.7773
C21.36392.38421.35432.77731.7987
F31.35432.38422.82302.67214.0508
F42.38421.35432.82304.05082.6721
Cl51.79872.77732.67214.05083.2835
Cl62.77731.79874.05082.67213.2835

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 122.594 C1 C2 Cl6 122.251
C2 C1 F3 122.594 C2 C1 Cl5 122.251
F3 C1 Cl5 115.155 F4 C2 Cl6 115.155
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.105      
2 C 0.105      
3 F -0.017      
4 F -0.017      
5 Cl -0.088      
6 Cl -0.088      


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 2.047 2.047
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.235 0.000 0.000
y 0.000 -43.862 0.000
z 0.000 0.000 -42.169
Traceless
 xyz
x 1.781 0.000 0.000
y 0.000 -2.160 0.000
z 0.000 0.000 0.379
Polar
3z2-r20.758
x2-y22.628
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.529 0.000 0.000
y 0.000 5.182 0.000
z 0.000 0.000 4.447


<r2> (average value of r2) Å2
<r2> 246.494
(<r2>)1/2 15.700