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

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-50.568999
Energy at 298.15K-50.571403
HF Energy-50.568999
Nuclear repulsion energy58.233766
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/CEP-121G
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' 3448 3146 0.40      
2 A' 3327 3036 4.40      
3 A' 1835 1675 153.74      
4 A' 1531 1397 0.74      
5 A' 1277 1166 203.49      
6 A' 1010 922 63.68      
7 A' 710 648 47.91      
8 A' 435 397 3.57      
9 A' 375 342 1.21      
10 A" 1076 982 90.11      
11 A" 792 723 0.98      
12 A" 535 488 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 8176.0 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 7460.6 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 HF/CEP-121G
ABC
0.34822 0.16055 0.10989

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.472 0.000
C2 -0.965 1.373 0.000
F3 1.325 0.819 0.000
Cl4 -0.201 -1.290 0.000
H5 -0.715 2.417 0.000
H6 -1.994 1.077 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32031.36921.77402.07262.0839
C21.32032.35572.77111.07341.0710
F31.36922.35572.60332.59163.3287
Cl41.77402.77112.60333.74332.9698
H52.07261.07342.59163.74331.8524
H62.08391.07103.32872.96981.8524

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 119.603 C1 C2 H6 120.898
C2 C1 F3 122.286 C2 C1 Cl4 126.531
F3 C1 Cl4 111.183 H5 C2 H6 119.499
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.173      
2 C -0.349      
3 F -0.263      
4 Cl 0.039      
5 H 0.198      
6 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.107 1.341 0.000 2.497
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.694 -2.583 0.000
y -2.583 -27.297 0.000
z 0.000 0.000 -30.366
Traceless
 xyz
x -0.863 -2.583 0.000
y -2.583 2.733 0.000
z 0.000 0.000 -1.870
Polar
3z2-r2-3.740
x2-y2-2.398
xy-2.583
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.458 -0.939 0.000
y -0.939 6.670 0.000
z 0.000 0.000 2.199


<r2> (average value of r2) Å2
<r2> 70.755
(<r2>)1/2 8.412