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

using model chemistry: HF/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 HF/STO-3G
 hartrees
Energy at 0K-628.538435
Energy at 298.15K-628.540716
HF Energy-628.538435
Nuclear repulsion energy146.699225
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 HF/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' 3835 3131 12.74      
2 A' 3669 2996 79.45      
3 A' 2047 1671 63.65      
4 A' 1659 1355 2.81      
5 A' 1453 1187 107.76      
6 A' 1110 906 8.15      
7 A' 789 644 37.49      
8 A' 442 361 2.11      
9 A' 382 312 2.41      
10 A" 1086 887 32.19      
11 A" 846 691 0.07      
12 A" 573 468 4.34      

Unscaled Zero Point Vibrational Energy (zpe) 8945.6 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 7304.0 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 HF/STO-3G
ABC
0.34631 0.16197 0.11036

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.491 0.000
C2 -1.056 1.271 0.000
F3 1.277 0.914 0.000
Cl4 -0.127 -1.295 0.000
H5 -0.937 2.345 0.000
H6 -2.057 0.866 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.31291.34491.79022.07762.0907
C21.31292.36012.72861.08111.0790
F31.34492.36012.61702.63613.3337
Cl41.79022.72862.61703.72912.8973
H52.07761.08112.63613.72911.8548
H62.09071.07903.33372.89731.8548

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 120.102 C1 C2 H6 121.561
C2 C1 F3 125.234 C2 C1 Cl4 122.366
F3 C1 Cl4 112.401 H5 C2 H6 118.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.194      
2 C -0.150      
3 F -0.098      
4 Cl -0.140      
5 H 0.095      
6 H 0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.782 1.795 0.000 1.958
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.590 -1.210 0.000
y -1.210 -27.332 0.000
z 0.000 0.000 -27.274
Traceless
 xyz
x 0.713 -1.210 0.000
y -1.210 -0.400 0.000
z 0.000 0.000 -0.313
Polar
3z2-r2-0.626
x2-y20.742
xy-1.210
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.687 -0.669 0.000
y -0.669 3.896 0.000
z 0.000 0.000 0.410


<r2> (average value of r2) Å2
<r2> 97.052
(<r2>)1/2 9.851