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

using model chemistry: QCISD(T)/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(T)/cc-pVDZ
 hartrees
Energy at 0K-957.835050
Energy at 298.15K 
HF Energy-957.402177
Nuclear repulsion energy124.468414
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(T)/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 3272 3118        
2 A1 751 716        
3 A1 307 293        
4 B1 443i 423i        
5 B2 1233 1175        
6 B2 935 891        

Unscaled Zero Point Vibrational Energy (zpe) 3027.1 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 2885.1 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 QCISD(T)/cc-pVDZ
ABC
1.56949 0.10858 0.10156

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.680
H2 0.000 0.000 1.772
Cl3 0.000 1.490 -0.172
Cl4 0.000 -1.490 -0.172

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.09151.71661.7166
H21.09152.44942.4494
Cl31.71662.44942.9798
Cl41.71662.44942.9798

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 119.781 Cl3 C1 Cl4 120.439
Cl4 C1 H2 119.781
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-957.836502
Energy at 298.15K-957.837347
HF Energy-957.404168
Nuclear repulsion energy124.305361
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(T)/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' 3222 3071        
2 A' 759 724        
3 A' 556 529        
4 A' 302 288        
5 A" 1236 1178        
6 A" 899 857        

Unscaled Zero Point Vibrational Energy (zpe) 3487.0 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 3323.4 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 QCISD(T)/cc-pVDZ
ABC
1.50775 0.10917 0.10207

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.014 0.710 0.000
H2 -0.540 1.655 0.000
Cl3 0.014 -0.174 1.485
Cl4 0.014 -0.174 -1.485

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.09571.72791.7279
H21.09572.42022.4202
Cl31.72792.42022.9697
Cl41.72792.42022.9697

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 116.189 Cl3 C1 Cl4 118.483
Cl4 C1 H2 116.189
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability