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All results from a given calculation for CH2Cl (chloromethyl radical)

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 2A'
1 2 no C2V 2B1

Conformer 1 (CS)

Jump to S1C2
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-21.252237
Energy at 298.15K 
HF Energy-21.252237
Nuclear repulsion energy15.509793
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' 3277 2990 11.80 114.44 0.13 0.23
2 A' 1487 1357 33.04 2.47 0.73 0.84
3 A' 792 723 50.95 28.36 0.35 0.52
4 A' 449 409 69.37 1.29 0.10 0.19
5 A" 3464 3161 3.32 45.00 0.75 0.86
6 A" 1060 968 0.00 8.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5264.0 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 4803.4 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
8.98828 0.48150 0.45835

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 -0.015 1.182 0.000
Cl2 -0.015 -0.611 0.000
H3 0.169 1.644 0.951
H4 0.169 1.644 -0.951

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.79261.07281.0728
Cl21.79262.45352.4535
H31.07282.45351.9016
H41.07282.45351.9016

picture of chloromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 115.494 Br2 C1 H4 115.494
H3 C1 H4 124.821
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 -0.290      
2 Cl -0.089      
3 H 0.190      
4 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.383 2.175 0.000 2.208
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.990 0.602 0.000
y 0.602 -16.979 0.000
z 0.000 0.000 -17.958
Traceless
 xyz
x -2.522 0.602 0.000
y 0.602 1.996 0.000
z 0.000 0.000 0.526
Polar
3z2-r21.052
x2-y2-3.011
xy0.602
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.395 0.091 0.000
y 0.091 4.357 0.000
z 0.000 0.000 2.031


<r2> (average value of r2) Å2
<r2> 26.905
(<r2>)1/2 5.187

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-21.252042
Energy at 298.15K 
HF Energy-21.252042
Nuclear repulsion energy15.525835
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 A1 3286 2998 9.27 111.95 0.14 0.24
2 A1 1478 1348 36.14      
3 A1 797 727 47.50      
4 B1 330i 301i 106.54      
5 B2 3483 3179 1.61      
6 B2 1048 956 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 4880.3 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 4453.3 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
9.10490 0.48319 0.45884

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.177
Cl2 0.000 0.000 0.610
H3 0.000 0.958 -1.656
H4 0.000 -0.958 -1.656

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.78791.07131.0713
Cl21.78792.46082.4608
H31.07132.46081.9168
H41.07132.46081.9168

picture of chloromethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 116.537 Br2 C1 H4 116.537
H3 C1 H4 126.926
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 -0.315      
2 Cl -0.081      
3 H 0.198      
4 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.158 2.158
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.088 0.000 0.000
y 0.000 -17.874 0.000
z 0.000 0.000 -16.860
Traceless
 xyz
x -2.721 0.000 0.000
y 0.000 0.600 0.000
z 0.000 0.000 2.121
Polar
3z2-r24.241
x2-y2-2.214
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.373 0.000 0.000
y 0.000 2.015 0.000
z 0.000 0.000 4.346


<r2> (average value of r2) Å2
<r2> 26.890
(<r2>)1/2 5.186