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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-51.517861
Energy at 298.15K-51.519969
HF Energy-51.517861
Nuclear repulsion energy57.012924
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' 3302 3198 1.84      
2 A' 3194 3093 2.01      
3 A' 1705 1651 135.22      
4 A' 1408 1364 0.20      
5 A' 1146 1110 205.02      
6 A' 909 880 46.78      
7 A' 639 619 47.71      
8 A' 395 383 1.46      
9 A' 341 330 0.49      
10 A" 906 878 108.13      
11 A" 698 676 0.56      
12 A" 467 453 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 7555.7 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 7316.9 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 B3LYP/CEP-31G
ABC
0.33169 0.15450 0.10541

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 0.480 0.000
C2 -1.012 1.387 0.000
F3 1.344 0.853 0.000
Cl4 -0.189 -1.318 0.000
H5 -0.770 2.454 0.000
H6 -2.052 1.064 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.35871.39481.80812.11802.1334
C21.35872.41562.82761.09331.0892
F31.39482.41562.65742.65153.4026
Cl41.80812.82762.65743.81593.0244
H52.11801.09332.65153.81591.8903
H62.13341.08923.40263.02441.8903

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 119.103 C1 C2 H6 120.876
C2 C1 F3 122.628 C2 C1 Cl4 125.891
F3 C1 Cl4 111.481 H5 C2 H6 120.021
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 -0.004      
2 C -0.331      
3 F -0.138      
4 Cl 0.025      
5 H 0.204      
6 H 0.244      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.897 1.135 0.000 2.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.038 -2.114 0.000
y -2.114 -26.732 0.000
z 0.000 0.000 -30.228
Traceless
 xyz
x -0.558 -2.114 0.000
y -2.114 2.901 0.000
z 0.000 0.000 -2.343
Polar
3z2-r2-4.686
x2-y2-2.306
xy-2.114
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.411 -0.857 0.000
y -0.857 6.889 0.000
z 0.000 0.000 1.725


<r2> (average value of r2) Å2
<r2> 72.723
(<r2>)1/2 8.528