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

using model chemistry: B2PLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/3-21G
 hartrees
Energy at 0K-633.855243
Energy at 298.15K-633.857463
HF Energy-633.737631
Nuclear repulsion energy144.843607
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 B2PLYP/3-21G
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' 3337 3337 1.07      
2 A' 3234 3234 6.31      
3 A' 1751 1751 116.68      
4 A' 1501 1501 2.37      
5 A' 1222 1222 175.84      
6 A' 994 994 27.84      
7 A' 609 609 60.56      
8 A' 404 404 0.16      
9 A' 346 346 0.88      
10 A" 954 954 90.44      
11 A" 742 742 0.59      
12 A" 522 522 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 7807.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7807.8 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 B2PLYP/3-21G
ABC
0.34021 0.15675 0.10731

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.514 0.000
C2 -1.065 1.290 0.000
F3 1.290 0.926 0.000
Cl4 -0.130 -1.317 0.000
H5 -0.949 2.364 0.000
H6 -2.056 0.866 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 H5 H6
C11.31821.35431.83532.07972.0856
C21.31822.38322.76971.08051.0770
F31.35432.38322.65512.66093.3460
Cl41.83532.76972.65513.77122.9111
H52.07971.08052.66093.77121.8621
H62.08561.07703.34602.91111.8621

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 119.902 C1 C2 H6 120.761
C2 C1 F3 126.178 C2 C1 Cl4 122.012
F3 C1 Cl4 111.809 H5 C2 H6 119.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.125      
2 C -0.417      
3 F -0.255      
4 Cl 0.070      
5 H 0.240      
6 H 0.237      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.305 1.433 0.000 1.938
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.894 -1.634 0.000
y -1.634 -28.098 0.000
z 0.000 0.000 -30.783
Traceless
 xyz
x 0.547 -1.634 0.000
y -1.634 1.741 0.000
z 0.000 0.000 -2.288
Polar
3z2-r2-4.575
x2-y2-0.796
xy-1.634
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.171 -0.743 0.000
y -0.743 6.237 0.000
z 0.000 0.000 1.346


<r2> (average value of r2) Å2
<r2> 100.591
(<r2>)1/2 10.029