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

using model chemistry: CCD/3-21G*

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 CCD/3-21G*
 hartrees
Energy at 0K-953.348863
Energy at 298.15K 
HF Energy-952.979447
Nuclear repulsion energy124.619049
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 CCD/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 3284 3141 0.05      
2 A1 729 697 11.60      
3 A1 313 300 0.64      
4 B1 341i 326i 61.11      
5 B2 1301 1244 45.45      
6 B2 898 859 119.94      

Unscaled Zero Point Vibrational Energy (zpe) 3092.4 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 2957.9 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 CCD/3-21G*
ABC
1.56821 0.10890 0.10183

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.683
H2 0.000 0.000 1.762
Cl3 0.000 1.488 -0.172
Cl4 0.000 -1.488 -0.172

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07921.71601.7160
H21.07922.44032.4403
Cl31.71602.44032.9755
Cl41.71602.44032.9755

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 119.891 Cl3 C1 Cl4 120.217
Cl4 C1 H2 119.891
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CCD/3-21G*
 hartrees
Energy at 0K-953.349410
Energy at 298.15K-953.350161
HF Energy-952.979898
Nuclear repulsion energy124.407321
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 CCD/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' 3251 3109 1.07      
2 A' 738 706 18.03      
3 A' 448 429 29.24      
4 A' 308 295 1.05      
5 A" 1307 1251 38.69      
6 A" 870 832 134.88      

Unscaled Zero Point Vibrational Energy (zpe) 3461.2 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 3310.6 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 CCD/3-21G*
ABC
1.52374 0.10911 0.10199

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.703 0.000
H2 -0.432 1.690 0.000
Cl3 0.011 -0.174 1.486
Cl4 0.011 -0.174 -1.486

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.08201.72501.7250
H21.08202.42422.4242
Cl31.72502.42422.9713
Cl41.72502.42422.9713

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 117.620 Cl3 C1 Cl4 118.918
Cl4 C1 H2 117.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability