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

using model chemistry: ROHF/6-31G*

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 ROHF/6-31G*
 hartrees
Energy at 0K-498.456758
Energy at 298.15K 
HF Energy-498.456758
Nuclear repulsion energy45.105091
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 ROHF/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' 3354 2986 17.32      
2 A' 1558 1387 24.03      
3 A' 875 779 47.81      
4 A' 697 621 37.45      
5 A" 3497 3113 2.56      
6 A" 1108 987 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 5544.4 cm-1
Scaled (by 0.8904) Zero Point Vibrational Energy (zpe) 4936.8 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 ROHF/6-31G*
ABC
9.10932 0.51896 0.49401

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.021 1.134 0.000
Cl2 -0.021 -0.588 0.000
H3 0.237 1.596 0.931
H4 0.237 1.596 -0.931

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.72151.07051.0705
Cl21.72152.38772.3877
H31.07052.38771.8612
H41.07052.38771.8612

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 115.577 Br2 C1 H4 115.577
H3 C1 H4 120.747
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.385      
2 Cl -0.050      
3 H 0.218      
4 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.441 1.620 0.000 1.679
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.307 0.711 -0.000
y 0.711 -17.351 0.000
z -0.000 0.000 -18.675
Traceless
 xyz
x -2.294 0.711 -0.000
y 0.711 2.140 0.000
z -0.000 0.000 0.154
Polar
3z2-r20.308
x2-y2-2.957
xy0.711
xz-0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 32.262
(<r2>)1/2 5.680

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at ROHF/6-31G*
 hartrees
Energy at 0K-498.455718
Energy at 298.15K 
HF Energy-498.455718
Nuclear repulsion energy45.243678
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 ROHF/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 3388 3017 9.39      
2 A1 1550 1380 27.63      
3 A1 885 788 40.64      
4 B1 557i 496i 80.16      
5 B2 3545 3156 0.08      
6 B2 1083 964 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4947.4 cm-1
Scaled (by 0.8904) Zero Point Vibrational Energy (zpe) 4405.2 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 ROHF/6-31G*
ABC
9.38154 0.52256 0.49499

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.124
Cl2 0.000 0.000 0.588
H3 0.000 0.944 -1.622
H4 0.000 -0.944 -1.622

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.71221.06711.0671
Cl21.71222.40282.4028
H31.06712.40281.8884
H41.06712.40281.8884

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 117.776 Br2 C1 H4 117.776
H3 C1 H4 124.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.417      
2 Cl -0.038      
3 H 0.227      
4 H 0.227      


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 -1.622 1.622
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.471 0.000 0.000
y 0.000 -18.506 -0.001
z 0.000 -0.001 -17.114
Traceless
 xyz
x -2.661 0.000 0.000
y 0.000 0.286 -0.001
z 0.000 -0.001 2.375
Polar
3z2-r24.750
x2-y2-1.965
xy0.000
xz0.000
yz-0.001


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


<r2> (average value of r2) Å2
<r2> 32.179
(<r2>)1/2 5.673