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

using model chemistry: ROMP2/3-21G

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 ROMP2/3-21G
 hartrees
Energy at 0K-496.368874
Energy at 298.15K 
HF Energy-496.160285
Nuclear repulsion energy44.986106
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 ROMP2/3-21G
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' 3240 3240        
2 A' 1513 1513        
3 A' 814 814        
4 A' 283 283        
5 A" 3391 3391        
6 A" 1060 1060        

Unscaled Zero Point Vibrational Energy (zpe) 5149.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5149.7 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 ROMP2/3-21G
ABC
9.18926 0.51708 0.49016

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 1.130 0.000
Cl2 -0.009 -0.590 0.000
H3 0.109 1.628 0.948
H4 0.109 1.628 -0.948

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.72101.07731.0773
Cl21.72102.41542.4154
H31.07732.41541.8965
H41.07732.41541.8965

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 117.497 Br2 C1 H4 117.497
H3 C1 H4 123.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.466      
2 Cl -0.041      
3 H 0.253      
4 H 0.253      


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> 32.516
(<r2>)1/2 5.702

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at ROMP2/3-21G
 hartrees
Energy at 0K-496.368845
Energy at 298.15K 
HF Energy-496.160083
Nuclear repulsion energy45.023928
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 ROMP2/3-21G
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 3247 3247        
2 A1 1512 1512        
3 A1 817 817        
4 B1 200i 200i        
5 B2 3401 3401        
6 B2 1055 1055        

Unscaled Zero Point Vibrational Energy (zpe) 4915.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4915.7 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 ROMP2/3-21G
ABC
9.24908 0.51806 0.49058

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.128
Cl2 0.000 0.000 0.590
H3 0.000 0.951 -1.633
H4 0.000 -0.951 -1.633

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.71861.07651.0765
Cl21.71862.41812.4181
H31.07652.41811.9018
H41.07652.41811.9018

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 117.957 Br2 C1 H4 117.957
H3 C1 H4 124.087
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.473      
2 Cl -0.038      
3 H 0.255      
4 H 0.255      


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> 32.489
(<r2>)1/2 5.700