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

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-637.405977
Energy at 298.15K-637.408284
HF Energy-637.405977
Nuclear repulsion energy149.656209
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 B3PW91/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 A' 3293 3167 0.41      
2 A' 3187 3065 4.43      
3 A' 1723 1657 168.99      
4 A' 1399 1345 2.62      
5 A' 1202 1156 195.35      
6 A' 961 924 38.05      
7 A' 699 672 47.30      
8 A' 436 419 0.89      
9 A' 373 359 0.04      
10 A" 860 827 61.39      
11 A" 724 696 0.07      
12 A" 544 523 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 7700.4 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 7404.7 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 B3PW91/cc-pVTZ
ABC
0.35795 0.16996 0.11524

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.454 0.000
C2 -1.004 1.308 0.000
F3 1.271 0.834 0.000
Cl4 -0.152 -1.259 0.000
H5 -0.800 2.369 0.000
H6 -2.023 0.956 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.31821.32631.72052.07502.0841
C21.31822.32392.70531.08051.0776
F31.32632.32392.53162.57713.2958
Cl41.72052.70532.53163.68582.8996
H52.07501.08052.57713.68581.8689
H62.08411.07763.29582.89961.8689

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 119.443 C1 C2 H6 120.563
C2 C1 F3 122.982 C2 C1 Cl4 125.289
F3 C1 Cl4 111.729 H5 C2 H6 119.994
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.212      
2 C -0.294      
3 F -0.131      
4 Cl -0.071      
5 H 0.141      
6 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.044 0.664 0.000 1.238
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.722 -1.210 0.000
y -1.210 -27.075 0.000
z 0.000 0.000 -30.297
Traceless
 xyz
x -0.036 -1.210 0.000
y -1.210 2.435 0.000
z 0.000 0.000 -2.399
Polar
3z2-r2-4.797
x2-y2-1.647
xy-1.210
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.317 -0.864 0.000
y -0.864 7.190 0.000
z 0.000 0.000 3.285


<r2> (average value of r2) Å2
<r2> 94.898
(<r2>)1/2 9.742