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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 2A'
1 2 yes C2V 2B1

Conformer 1 (CS)

Jump to S1C2
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-499.437868
Energy at 298.15K 
HF Energy-499.437868
Nuclear repulsion energy45.390298
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**
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' 3222 3066 6.18      
2 A' 1438 1368 12.19      
3 A' 868 826 37.92      
4 A' 139 132 88.45      
5 A" 3377 3213 0.02      
6 A" 1016 966 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 5029.2 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 4785.3 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 mPW1PW91/6-31G**
ABC
9.19125 0.52848 0.49975

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.000 1.116 0.000
Cl2 -0.000 -0.585 0.000
H3 0.000 1.620 0.954
H4 0.000 1.620 -0.954

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70081.07881.0788
Cl21.70082.40212.4021
H31.07882.40211.9078
H41.07882.40211.9078

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 117.840 Br2 C1 H4 117.840
H3 C1 H4 124.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.381      
2 Cl 0.012      
3 H 0.184      
4 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 1.241 0.000 1.241
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.177 0.001 0.000
y 0.001 -16.983 0.000
z 0.000 0.000 -18.184
Traceless
 xyz
x -2.593 0.001 0.000
y 0.001 2.198 0.000
z 0.000 0.000 0.395
Polar
3z2-r20.790
x2-y2-3.194
xy0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.540 0.000 0.000
y 0.000 4.213 0.000
z 0.000 0.000 2.342


<r2> (average value of r2) Å2
<r2> 31.876
(<r2>)1/2 5.646

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-499.437868
Energy at 298.15K-499.438632
HF Energy-499.437868
Nuclear repulsion energy45.391145
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**
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 3222 3066 6.18      
2 A1 1437 1368 12.18      
3 A1 868 826 37.93      
4 B1 139 132 88.46      
5 B2 3377 3213 0.02      
6 B2 1016 966 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 5029.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 4785.2 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**
ABC
9.18937 0.52852 0.49977

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.116
Cl2 0.000 0.000 0.585
H3 0.000 0.954 -1.620
H4 0.000 -0.954 -1.620

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70071.07881.0788
Cl21.70072.40192.4019
H31.07882.40191.9080
H41.07882.40191.9080

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 117.829 Br2 C1 H4 117.829
H3 C1 H4 124.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.381      
2 Cl 0.012      
3 H 0.184      
4 H 0.184      


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 -1.241 1.241
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.177 0.000 0.000
y 0.000 -18.184 0.000
z 0.000 0.000 -16.984
Traceless
 xyz
x -2.593 0.000 0.000
y 0.000 0.396 0.000
z 0.000 0.000 2.197
Polar
3z2-r24.393
x2-y2-1.993
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.540 0.000 0.000
y 0.000 2.342 0.000
z 0.000 0.000 4.213


<r2> (average value of r2) Å2
<r2> 31.874
(<r2>)1/2 5.646