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

using model chemistry: B3LYP/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-51.576851
Energy at 298.15K-51.579020
HF Energy-51.576851
Nuclear repulsion energy58.255833
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 B3LYP/CEP-31G*
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' 3284 3172 1.33      
2 A' 3188 3079 1.15      
3 A' 1724 1665 155.90      
4 A' 1391 1343 4.00      
5 A' 1182 1142 238.16      
6 A' 939 907 33.03      
7 A' 680 657 49.58      
8 A' 418 403 0.88      
9 A' 356 344 0.04      
10 A" 827 798 93.92      
11 A" 700 676 0.56      
12 A" 496 479 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 7592.1 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 7331.6 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 B3LYP/CEP-31G*
ABC
0.34371 0.16348 0.11078

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.459 0.000
C2 -1.039 1.333 0.000
F3 1.287 0.858 0.000
Cl4 -0.145 -1.285 0.000
H5 -0.828 2.406 0.000
H6 -2.068 0.972 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.35731.34761.75052.11592.1303
C21.35732.37442.76651.09411.0901
F31.34762.37442.57732.62203.3570
Cl41.75052.76652.57733.75442.9654
H52.11591.09412.62203.75441.8955
H62.13031.09013.35702.96541.8955

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 118.952 C1 C2 H6 120.628
C2 C1 F3 122.757 C2 C1 Cl4 125.316
F3 C1 Cl4 111.927 H5 C2 H6 120.419
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.168      
2 C -0.450      
3 F -0.099      
4 Cl -0.081      
5 H 0.209      
6 H 0.254      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.276 0.731 0.000 1.470
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.097 -1.339 0.000
y -1.339 -26.222 0.000
z 0.000 0.000 -29.960
Traceless
 xyz
x -0.007 -1.339 0.000
y -1.339 2.807 0.000
z 0.000 0.000 -2.800
Polar
3z2-r2-5.600
x2-y2-1.876
xy-1.339
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.805 -1.031 0.000
y -1.031 6.863 0.000
z 0.000 0.000 2.395


<r2> (average value of r2) Å2
<r2> 69.969
(<r2>)1/2 8.365