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All results from a given calculation for C2H2ClF (1-chloro-1-fluoroethylene)

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-629.623493
Energy at 298.15K-629.625414
HF Energy-629.623493
Nuclear repulsion energy143.506477
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 PBEPBE/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 A' 3511 3208 7.45      
2 A' 3349 3060 51.46      
3 A' 1776 1623 73.43      
4 A' 1487 1359 5.37      
5 A' 1289 1177 116.98      
6 A' 998 911 4.93      
7 A' 679 621 35.91      
8 A' 401 367 0.54      
9 A' 342 313 1.35      
10 A" 813 743 41.18      
11 A" 699 639 0.10      
12 A" 495 452 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 7920.3 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 7236.0 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 PBEPBE/STO-3G
ABC
0.33093 0.15485 0.10549

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.509 0.000
C2 -1.124 1.266 0.000
F3 1.275 0.972 0.000
Cl4 -0.092 -1.328 0.000
H5 -1.050 2.365 0.000
H6 -2.118 0.800 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.35511.35681.83862.13242.1378
C21.35512.41672.79141.10071.0980
F31.35682.41672.67572.71023.3973
Cl41.83862.79142.67573.81442.9378
H52.13241.10072.71023.81441.8939
H62.13781.09803.39732.93781.8939

picture of 1-chloro-1-fluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 120.166 C1 C2 H6 120.895
C2 C1 F3 126.026 C2 C1 Cl4 121.117
F3 C1 Cl4 112.857 H5 C2 H6 118.939
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.107      
2 C -0.197      
3 F 0.010      
4 Cl -0.130      
5 H 0.101      
6 H 0.108      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.038 1.782 0.000 1.782
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.594 -0.306 0.000
y -0.306 -26.703 0.000
z 0.000 0.000 -27.442
Traceless
 xyz
x 1.478 -0.306 0.000
y -0.306 -0.185 0.000
z 0.000 0.000 -1.294
Polar
3z2-r2-2.588
x2-y21.109
xy-0.306
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.883 -0.504 0.000
y -0.504 4.155 0.000
z 0.000 0.000 0.468


<r2> (average value of r2) Å2
<r2> 100.418
(<r2>)1/2 10.021