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

using model chemistry: mPW1PW91/cc-pVDZ

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 mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-499.459065
Energy at 298.15K 
HF Energy-499.459065
Nuclear repulsion energy45.256765
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/cc-pVDZ
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' 3194 3061 4.81      
2 A' 1388 1330 10.02      
3 A' 863 827 38.56      
4 A' 124 119 72.23      
5 A" 3358 3218 0.25      
6 A" 985 944 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 4955.6 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 4749.0 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 mPW1PW91/cc-pVDZ
ABC
9.00819 0.52643 0.49751

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.005 1.119 0.000
Cl2 -0.005 -0.586 0.000
H3 0.052 1.622 0.962
H4 0.052 1.622 -0.962

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70421.08731.0873
Cl21.70422.40862.4086
H31.08732.40861.9245
H41.08732.40861.9245

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 117.562 Br2 C1 H4 117.562
H3 C1 H4 124.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.146      
2 Cl -0.057      
3 H 0.102      
4 H 0.102      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.100 1.117 0.000 1.122
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.163 0.171 0.000
y 0.171 -17.063 0.000
z 0.000 0.000 -18.205
Traceless
 xyz
x -2.529 0.171 0.000
y 0.171 2.120 0.000
z 0.000 0.000 0.409
Polar
3z2-r20.818
x2-y2-3.100
xy0.171
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.633 0.025 0.000
y 0.025 4.329 0.000
z 0.000 0.000 2.327


<r2> (average value of r2) Å2
<r2> 31.996
(<r2>)1/2 5.657

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-499.459063
Energy at 298.15K 
HF Energy-499.459063
Nuclear repulsion energy45.262823
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/cc-pVDZ
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 3195 3062 4.57      
2 A1 1388 1330 10.05      
3 A1 864 828 38.34      
4 B1 90i 86i 73.82      
5 B2 3360 3220 0.31      
6 B2 984 943 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 4850.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 4647.9 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/cc-pVDZ
ABC
9.01701 0.52661 0.49755

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.118
Cl2 0.000 0.000 0.586
H3 0.000 0.963 -1.623
H4 0.000 -0.963 -1.623

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70381.08721.0872
Cl21.70382.40922.4092
H31.08722.40921.9261
H41.08722.40921.9261

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 117.645 Br2 C1 H4 117.645
H3 C1 H4 124.710
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.146      
2 Cl -0.057      
3 H 0.102      
4 H 0.102      


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 -1.118 1.118
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.171 0.000 0.000
y 0.000 -18.197 0.000
z 0.000 0.000 -17.055
Traceless
 xyz
x -2.545 0.000 0.000
y 0.000 0.416 0.000
z 0.000 0.000 2.129
Polar
3z2-r24.258
x2-y2-1.974
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.630 0.000 0.000
y 0.000 2.326 0.000
z 0.000 0.000 4.326


<r2> (average value of r2) Å2
<r2> 31.993
(<r2>)1/2 5.656