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

using model chemistry: mPW1PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-637.396383
Energy at 298.15K-637.398700
HF Energy-637.396383
Nuclear repulsion energy150.045163
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 mPW1PW91/6-31G(2df,p)
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' 3329 3179 0.50      
2 A' 3219 3073 4.90      
3 A' 1755 1676 153.31      
4 A' 1410 1346 5.35      
5 A' 1229 1174 187.47      
6 A' 977 933 25.98      
7 A' 707 675 46.53      
8 A' 438 418 1.14      
9 A' 373 356 0.12      
10 A" 862 823 58.01      
11 A" 733 699 0.13      
12 A" 554 529 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 7792.6 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 7439.6 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 mPW1PW91/6-31G(2df,p)
ABC
0.35883 0.17111 0.11586

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.457 0.000
C2 -1.023 1.290 0.000
F3 1.255 0.846 0.000
Cl4 -0.134 -1.257 0.000
H5 -0.841 2.356 0.000
H6 -2.035 0.918 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.31961.31441.71982.07692.0866
C21.31962.32152.69851.08131.0783
F31.31442.32152.52152.58333.2912
Cl41.71982.69852.52153.68212.8887
H52.07691.08132.58333.68211.8696
H62.08661.07833.29122.88871.8696

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 119.447 C1 C2 H6 120.624
C2 C1 F3 123.612 C2 C1 Cl4 124.678
F3 C1 Cl4 111.710 H5 C2 H6 119.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.306      
2 C -0.464      
3 F -0.086      
4 Cl -0.107      
5 H 0.172      
6 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.919 0.779 0.000 1.205
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.218 -1.074 0.000
y -1.074 -26.804 0.000
z 0.000 0.000 -29.814
Traceless
 xyz
x 0.090 -1.074 0.000
y -1.074 2.212 0.000
z 0.000 0.000 -2.303
Polar
3z2-r2-4.605
x2-y2-1.414
xy-1.074
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.091 -0.867 0.000
y -0.867 6.821 0.000
z 0.000 0.000 2.954


<r2> (average value of r2) Å2
<r2> 94.252
(<r2>)1/2 9.708