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

using model chemistry: PBE1PBE/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 PBE1PBE/STO-3G
 hartrees
Energy at 0K-1181.894315
Energy at 298.15K-1181.894420
HF Energy-1181.894315
Nuclear repulsion energy341.820326
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 PBE1PBE/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 1834 1617 11.60      
2 A1 1284 1133 142.76      
3 A1 586 517 9.14      
4 A1 303 267 0.37      
5 A1 158 140 1.40      
6 A2 479 423 0.00      
7 A2 137 121 0.00      
8 B1 351 309 2.06      
9 B2 1412 1245 8.55      
10 B2 976 861 108.79      
11 B2 416 367 0.05      
12 B2 398 351 2.26      

Unscaled Zero Point Vibrational Energy (zpe) 4167.1 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 3675.8 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 PBE1PBE/STO-3G
ABC
0.09317 0.06148 0.03704

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.682 0.488
C2 0.000 -0.682 0.488
F3 0.000 1.412 1.627
F4 0.000 -1.412 1.627
Cl5 0.000 1.637 -1.033
Cl6 0.000 -1.637 -1.033

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.36331.35282.38311.79622.7728
C21.36332.38311.35282.77281.7962
F31.35282.38312.82362.66964.0458
F42.38311.35282.82364.04582.6696
Cl51.79622.77282.66964.04583.2731
Cl62.77281.79624.04582.66963.2731

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 122.667 C1 C2 Cl6 122.117
C2 C1 F3 122.667 C2 C1 Cl5 122.117
F3 C1 Cl5 115.217 F4 C2 Cl6 115.217
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.103      
2 C 0.103      
3 F -0.015      
4 F -0.015      
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 2.074 2.074
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.234 0.000 0.000
y 0.000 -43.832 0.000
z 0.000 0.000 -42.145
Traceless
 xyz
x 1.755 0.000 0.000
y 0.000 -2.143 0.000
z 0.000 0.000 0.388
Polar
3z2-r20.777
x2-y22.598
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.527 0.000 0.000
y 0.000 5.143 0.000
z 0.000 0.000 4.431


<r2> (average value of r2) Å2
<r2> 245.798
(<r2>)1/2 15.678