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

using model chemistry: QCISD/aug-cc-pVDZ

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 QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-957.857821
Energy at 298.15K 
HF Energy-957.408999
Nuclear repulsion energy124.552131
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 QCISD/aug-cc-pVDZ
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 3283 3181 0.44      
2 A1 752 728 6.75      
3 A1 309 299 0.44      
4 B1 458i 444i 34.72      
5 B2 1233 1194 59.38      
6 B2 934 905 120.38      

Unscaled Zero Point Vibrational Energy (zpe) 3025.9 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 2931.2 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 QCISD/aug-cc-pVDZ
ABC
1.55896 0.10892 0.10180

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.684
H2 0.000 0.000 1.772
Cl3 0.000 1.488 -0.173
Cl4 0.000 -1.488 -0.173

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.08751.71671.7167
H21.08752.44822.4482
Cl31.71672.44822.9753
Cl41.71672.44822.9753

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 119.941 Cl3 C1 Cl4 120.118
Cl4 C1 H2 119.941
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-957.859486
Energy at 298.15K-957.860343
HF Energy-957.411167
Nuclear repulsion energy124.370929
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 QCISD/aug-cc-pVDZ
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' 3226 3125 0.98      
2 A' 762 738 13.18      
3 A' 568 550 14.89      
4 A' 303 293 0.33      
5 A" 1235 1196 43.20      
6 A" 894 866 151.93      

Unscaled Zero Point Vibrational Energy (zpe) 3494.0 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 3384.6 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 QCISD/aug-cc-pVDZ
ABC
1.49274 0.10954 0.10235

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.014 0.716 0.000
H2 -0.557 1.647 0.000
Cl3 0.014 -0.175 1.482
Cl4 0.014 -0.175 -1.482

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.09231.72911.7291
H21.09232.41682.4168
Cl31.72912.41682.9645
Cl41.72912.41682.9645

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 116.034 Cl3 C1 Cl4 118.010
Cl4 C1 H2 116.034
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability