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

using model chemistry: ROMP2/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 ROMP2/cc-pVDZ
 hartrees
Energy at 0K-498.741486
Energy at 298.15K 
HF Energy-498.481188
Nuclear repulsion energy45.154405
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/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' 3231 3231        
2 A' 1436 1436        
3 A' 873 873        
4 A' 253 253        
5 A" 3389 3389        
6 A" 1011 1011        

Unscaled Zero Point Vibrational Energy (zpe) 5097.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5097.0 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 ROMP2/cc-pVDZ
ABC
8.99132 0.52361 0.49543

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 1.122 0.000
Cl2 -0.009 -0.587 0.000
H3 0.109 1.624 0.959
H4 0.109 1.624 -0.959

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70861.08901.0890
Cl21.70862.41312.4131
H31.08902.41311.9175
H41.08902.41311.9175

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 117.489 Br2 C1 H4 117.489
H3 C1 H4 123.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.094      
2 Cl -0.113      
3 H 0.103      
4 H 0.103      


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> 32.222
(<r2>)1/2 5.676

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at ROMP2/cc-pVDZ
 hartrees
Energy at 0K-498.741463
Energy at 298.15K 
HF Energy-498.480795
Nuclear repulsion energy45.177082
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/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 3238 3238        
2 A1 1437 1437        
3 A1 876 876        
4 B1 175i 175i        
5 B2 3398 3398        
6 B2 1007 1007        

Unscaled Zero Point Vibrational Energy (zpe) 4889.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4889.6 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/cc-pVDZ
ABC
9.04649 0.52420 0.49549

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.120
Cl2 0.000 0.000 0.587
H3 0.000 0.962 -1.630
H4 0.000 -0.962 -1.630

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70691.08841.0884
Cl21.70692.41642.4164
H31.08842.41641.9230
H41.08842.41641.9230

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 117.939 Br2 C1 H4 117.939
H3 C1 H4 124.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.098      
2 Cl -0.111      
3 H 0.105      
4 H 0.105      


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> 32.213
(<r2>)1/2 5.676