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

using model chemistry: HSEh1PBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-1195.877659
Energy at 298.15K-1195.878272
HF Energy-1195.877659
Nuclear repulsion energy353.827600
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 HSEh1PBE/aug-cc-pVTZ
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 1780 1712 21.12      
2 A1 1193 1147 334.90      
3 A1 582 559 0.56      
4 A1 335 322 2.26      
5 A1 168 162 0.99      
6 A2 582 560 0.00      
7 A2 149 144 0.00      
8 B1 349 336 0.26      
9 B2 1228 1181 33.09      
10 B2 982 944 164.19      
11 B2 438 421 0.27      
12 B2 422 406 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 4102.9 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 3946.1 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 HSEh1PBE/aug-cc-pVTZ
ABC
0.10383 0.06324 0.03930

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.665 0.413
C2 0.000 -0.665 0.413
F3 0.000 1.327 1.559
F4 0.000 -1.327 1.559
Cl5 0.000 1.644 -0.971
Cl6 0.000 -1.644 -0.971

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32911.32322.29731.69582.6920
C21.32912.29731.32322.69201.6958
F31.32322.29732.65352.54963.9021
F42.29731.32322.65353.90212.5496
Cl51.69582.69202.54963.90213.2885
Cl62.69201.69583.90212.54963.2885

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 120.029 C1 C2 Cl6 125.290
C2 C1 F3 120.029 C2 C1 Cl5 125.290
F3 C1 Cl5 114.681 F4 C2 Cl6 114.681
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.371      
2 C 0.371      
3 F -0.265      
4 F -0.265      
5 Cl -0.106      
6 Cl -0.106      


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 -0.860 0.860
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.296 0.000 0.000
y 0.000 -45.741 0.000
z 0.000 0.000 -46.146
Traceless
 xyz
x 0.648 0.000 0.000
y 0.000 -0.020 0.000
z 0.000 0.000 -0.628
Polar
3z2-r2-1.255
x2-y20.445
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.597 0.000 0.000
y 0.000 10.548 0.000
z 0.000 0.000 8.298


<r2> (average value of r2) Å2
<r2> 235.308
(<r2>)1/2 15.340