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

using model chemistry: B2PLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-1195.751303
Energy at 298.15K-1195.751860
HF Energy-1195.455705
Nuclear repulsion energy348.773833
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 B2PLYP/cc-pVDZ
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 1787 1711 0.00      
2 Ag 1215 1163 0.00      
3 Ag 642 614 0.00      
4 Ag 428 409 0.00      
5 Ag 291 278 0.00      
6 Au 374 358 0.78      
7 Au 136 130 0.18      
8 Bg 552 528 0.00      
9 Bu 1244 1192 312.74      
10 Bu 884 846 188.39      
11 Bu 425 407 2.25      
12 Bu 176 168 2.31      

Unscaled Zero Point Vibrational Energy (zpe) 4075.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 3902.9 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 B2PLYP/cc-pVDZ
ABC
0.14120 0.04994 0.03689

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.068 0.666 0.000
C2 0.068 -0.666 0.000
F3 -1.266 1.246 0.000
F4 1.266 -1.246 0.000
Cl5 1.266 1.750 0.000
Cl6 -1.266 -1.750 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33891.33042.33141.71912.6967
C21.33892.33141.33042.69671.7191
F31.33042.33143.55222.58092.9965
F42.33141.33043.55222.99652.5809
Cl51.71912.69672.58092.99654.3200
Cl62.69671.71912.99652.58094.3200

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 121.715 C1 C2 Cl6 123.247
C2 C1 F3 121.715 C2 C1 Cl5 123.247
F3 C1 Cl5 115.038 F4 C2 Cl6 115.038
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.136      
2 C 0.136      
3 F -0.132      
4 F -0.132      
5 Cl -0.004      
6 Cl -0.004      


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 -45.526 2.089 0.000
y 2.089 -45.326 0.000
z 0.000 0.000 -45.210
Traceless
 xyz
x -0.257 2.089 0.000
y 2.089 0.042 0.000
z 0.000 0.000 0.215
Polar
3z2-r20.431
x2-y2-0.199
xy2.089
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.669 2.204 0.000
y 2.204 8.449 0.000
z 0.000 0.000 2.873


<r2> (average value of r2) Å2
<r2> 249.116
(<r2>)1/2 15.783