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

using model chemistry: MP2/CEP-31G

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 MP2/CEP-31G
 hartrees
Energy at 0K-35.452882
Energy at 298.15K 
HF Energy-35.322584
Nuclear repulsion energy29.683001
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 MP2/CEP-31G
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 3296 3185 5.01      
2 A1 697 673 14.82      
3 A1 291 281 0.70      
4 B1 556i 538i 117.75      
5 B2 1243 1201 62.99      
6 B2 893 863 134.64      

Unscaled Zero Point Vibrational Energy (zpe) 2931.4 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 2832.6 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 MP2/CEP-31G
ABC
1.46218 0.09907 0.09278

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.711
H2 0.000 0.000 1.806
Cl3 0.000 1.560 -0.179
Cl4 0.000 -1.560 -0.179

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.09501.79561.7956
H21.09502.52422.5242
Cl31.79562.52423.1196
Cl41.79562.52423.1196

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 119.697 Cl3 C1 Cl4 120.606
Cl4 C1 H2 119.697
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-35.455732
Energy at 298.15K-35.456552
HF Energy-35.324070
Nuclear repulsion energy29.579630
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 MP2/CEP-31G
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' 3246 3136 16.37      
2 A' 736 711 28.70      
3 A' 611 590 13.51      
4 A' 283 273 0.71      
5 A" 1255 1213 52.84      
6 A" 838 809 167.06      

Unscaled Zero Point Vibrational Energy (zpe) 3483.5 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 3366.1 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 MP2/CEP-31G
ABC
1.38636 0.09943 0.09307

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.015 0.750 0.000
H2 -0.605 1.658 0.000
Cl3 0.015 -0.181 1.556
Cl4 0.015 -0.181 -1.556

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.09951.81331.8133
H21.09952.48772.4877
Cl31.81332.48773.1114
Cl41.81332.48773.1114

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 115.106 Cl3 C1 Cl4 118.172
Cl4 C1 H2 115.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability