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

using model chemistry: ROMP2/6-31G**

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 ROMP2/6-31G**
 hartrees
Energy at 0K-498.714176
Energy at 298.15K 
HF Energy-498.459569
Nuclear repulsion energy45.484549
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 ROMP2/6-31G**
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' 3295 3295        
2 A' 1503 1503        
3 A' 886 886        
4 A' 213 213        
5 A" 3450 3450        
6 A" 1053 1053        

Unscaled Zero Point Vibrational Energy (zpe) 5199.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5199.4 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 ROMP2/6-31G**
ABC
9.29167 0.52991 0.50173

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.007 1.115 0.000
Cl2 0.007 -0.584 0.000
H3 -0.086 1.616 0.945
H4 -0.086 1.616 -0.945

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.69851.07371.0737
Cl21.69852.39552.3955
H31.07372.39551.8903
H41.07372.39551.8903

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 117.800 Br2 C1 H4 117.800
H3 C1 H4 123.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.317      
2 Cl -0.035      
3 H 0.176      
4 H 0.176      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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> 31.956
(<r2>)1/2 5.653

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at ROMP2/6-31G**
 hartrees
Energy at 0K-498.714166
Energy at 298.15K 
HF Energy-498.459329
Nuclear repulsion energy45.512420
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 ROMP2/6-31G**
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 3299 3299        
2 A1 1503 1503        
3 A1 889 889        
4 B1 147i 147i        
5 B2 3455 3455        
6 B2 1051 1051        

Unscaled Zero Point Vibrational Energy (zpe) 5025.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5025.3 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 ROMP2/6-31G**
ABC
9.32441 0.53068 0.50211

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.113
Cl2 0.000 0.000 0.583
H3 0.000 0.947 -1.618
H4 0.000 -0.947 -1.618

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.69681.07331.0733
Cl21.69682.39682.3968
H31.07332.39681.8941
H41.07332.39681.8941

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 118.065 Br2 C1 H4 118.065
H3 C1 H4 123.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.322      
2 Cl -0.033      
3 H 0.177      
4 H 0.177      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


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> 31.936
(<r2>)1/2 5.651