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All results from a given calculation for CHCl2 (dichloromethyl radical)

using model chemistry: ROMP2/TZVP

19 10 17 12 22

States and conformations

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

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at ROMP2/TZVP
 hartrees
Energy at 0K-957.817828
Energy at 298.15K 
HF Energy-957.411372
Nuclear repulsion energy125.602630
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/TZVP
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 3337 3337        
2 A1 773 773        
3 A1 320 320        
4 B1 412i 412i        
5 B2 1301 1301        
6 B2 946 946        

Unscaled Zero Point Vibrational Energy (zpe) 3131.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3131.9 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/TZVP
ABC
1.61316 0.11033 0.10326

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.672
H2 0.000 0.000 1.745
Cl3 0.000 1.478 -0.170
Cl4 0.000 -1.478 -0.170

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07321.70091.7009
H21.07322.41892.4189
Cl31.70092.41892.9562
Cl41.70092.41892.9562

picture of dichloromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl3 C1 H2 119.656 Cl3 C1 Cl4 120.688
Cl4 C1 H2 119.656
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.064      
2 H 0.185      
3 Cl -0.060      
4 Cl -0.060      


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> 100.375
(<r2>)1/2 10.019

Conformer 2 (CS)

Jump to S1C1
Energy calculated at ROMP2/TZVP
 hartrees
Energy at 0K-957.818977
Energy at 298.15K-957.819849
HF Energy-957.414467
Nuclear repulsion energy125.421643
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/TZVP
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' 3287 3287        
2 A' 781 781        
3 A' 550 550        
4 A' 314 314        
5 A" 1301 1301        
6 A" 913 913        

Unscaled Zero Point Vibrational Energy (zpe) 3572.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3572.9 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/TZVP
ABC
1.55470 0.11080 0.10368

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.013 0.698 0.000
H2 -0.506 1.642 0.000
Cl3 0.013 -0.171 1.474
Cl4 0.013 -0.171 -1.474

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07731.71131.7113
H21.07732.39402.3940
Cl31.71132.39402.9480
Cl41.71132.39402.9480

picture of dichloromethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl3 C1 H2 116.445 Cl3 C1 Cl4 118.927
Cl4 C1 H2 116.445
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.008      
2 H 0.157      
3 Cl -0.074      
4 Cl -0.074      


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> 100.200
(<r2>)1/2 10.010