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All results from a given calculation for CH2FCl (fluorochloromethane)

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-599.024319
Energy at 298.15K-599.026994
HF Energy-599.024319
Nuclear repulsion energy101.311836
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' 3123 2967 28.45      
2 A' 1538 1461 0.59      
3 A' 1411 1341 54.70      
4 A' 1156 1099 162.95      
5 A' 766 727 100.03      
6 A' 388 369 1.48      
7 A" 3199 3040 16.74      
8 A" 1276 1213 2.32      
9 A" 1035 984 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 6945.2 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 6600.0 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
1.41300 0.18919 0.17248

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 0.806 0.000
F2 1.350 0.763 0.000
Cl3 -0.673 -0.842 0.000
H4 -0.353 1.306 0.904
H5 -0.353 1.306 -0.904

Atom - Atom Distances (Å)
  C1 F2 Cl3 H4 H5
C11.35121.78061.09181.0918
F21.35122.58342.00362.0036
Cl31.78062.58342.35292.3529
H41.09182.00362.35291.8080
H51.09182.00362.35291.8080

picture of fluorochloromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 110.404 F2 C1 H4 109.746
F2 C1 H5 109.746 Cl3 C1 H4 107.561
Cl3 C1 H5 107.561 H4 C1 H5 111.780
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 -0.107      
2 F -0.260      
3 Cl -0.056      
4 H 0.212      
5 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.816 1.735 0.000 1.917
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.661 -1.382 0.000
y -1.382 -22.320 0.000
z 0.000 0.000 -23.111
Traceless
 xyz
x -2.945 -1.382 0.000
y -1.382 2.065 0.000
z 0.000 0.000 0.880
Polar
3z2-r21.759
x2-y2-3.340
xy-1.382
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.858 0.687 0.000
y 0.687 3.962 0.000
z 0.000 0.000 2.484


<r2> (average value of r2) Å2
<r2> 65.423
(<r2>)1/2 8.088