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

using model chemistry: CISD/6-311G*

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 CISD/6-311G*
 hartrees
Energy at 0K-957.792891
Energy at 298.15K 
HF Energy-957.412558
Nuclear repulsion energy125.748081
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 CISD/6-311G*
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 3349 3098 0.13      
2 A1 781 723 10.03      
3 A1 327 302 0.32      
4 B1 424i 393i 55.69      
5 B2 1318 1219 57.24      
6 B2 974 901 141.16      

Unscaled Zero Point Vibrational Energy (zpe) 3162.0 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 2925.8 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 CISD/6-311G*
ABC
1.61649 0.11061 0.10352

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.671
H2 0.000 0.000 1.744
Cl3 0.000 1.476 -0.170
Cl4 0.000 -1.476 -0.170

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07371.69871.6987
H21.07372.41732.4173
Cl31.69872.41732.9525
Cl41.69872.41732.9525

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 119.654 Cl3 C1 Cl4 120.693
Cl4 C1 H2 119.654
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-957.793988
Energy at 298.15K-957.794872
HF Energy-957.414367
Nuclear repulsion energy125.608478
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 CISD/6-311G*
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' 3311 3063 2.77      
2 A' 789 730 16.05      
3 A' 547 507 24.68      
4 A' 321 297 0.49      
5 A" 1328 1229 49.06      
6 A" 943 873 167.97      

Unscaled Zero Point Vibrational Energy (zpe) 3619.8 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 3349.4 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 CISD/6-311G*
ABC
1.56197 0.11110 0.10396

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.012 0.695 0.000
H2 -0.493 1.646 0.000
Cl3 0.012 -0.171 1.472
Cl4 0.012 -0.171 -1.472

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07701.70821.7082
H21.07702.39292.3929
Cl31.70822.39292.9441
Cl41.70822.39292.9441

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 116.610 Cl3 C1 Cl4 119.028
Cl4 C1 H2 116.610
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability