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

using model chemistry: PBE1PBE/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-31G
 hartrees
Energy at 0K-636.998450
Energy at 298.15K-637.000705
HF Energy-636.998450
Nuclear repulsion energy146.087834
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 PBE1PBE/6-31G
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' 3351 3204 0.32      
2 A' 3242 3099 7.73      
3 A' 1770 1692 133.63      
4 A' 1454 1389 0.87      
5 A' 1212 1158 189.63      
6 A' 963 920 32.69      
7 A' 662 633 52.33      
8 A' 417 398 1.17      
9 A' 362 346 0.55      
10 A" 946 904 91.27      
11 A" 729 697 0.96      
12 A" 522 499 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 7814.6 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 7470.0 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 PBE1PBE/6-31G
ABC
0.34487 0.16045 0.10950

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.479 0.000
C2 -0.993 1.350 0.000
F3 1.318 0.843 0.000
Cl4 -0.182 -1.294 0.000
H5 -0.776 2.411 0.000
H6 -2.023 1.024 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.32121.36701.78242.08162.0949
C21.32122.36602.76581.08261.0799
F31.36702.36602.61092.61533.3454
Cl41.78242.76582.61093.75192.9598
H52.08161.08262.61533.75191.8649
H62.09491.07993.34542.95981.8649

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 119.654 C1 C2 H6 121.171
C2 C1 F3 123.310 C2 C1 Cl4 125.378
F3 C1 Cl4 111.312 H5 C2 H6 119.175
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.097      
2 C -0.362      
3 F -0.286      
4 Cl 0.134      
5 H 0.212      
6 H 0.206      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.586 1.171 0.000 1.972
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.093 -1.892 0.000
y -1.892 -27.284 0.000
z 0.000 0.000 -30.403
Traceless
 xyz
x -0.249 -1.892 0.000
y -1.892 2.464 0.000
z 0.000 0.000 -2.215
Polar
3z2-r2-4.429
x2-y2-1.809
xy-1.892
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.369 -0.747 0.000
y -0.747 6.462 0.000
z 0.000 0.000 1.684


<r2> (average value of r2) Å2
<r2> 98.909
(<r2>)1/2 9.945