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

using model chemistry: QCISD/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/cc-pVDZ
 hartrees
Energy at 0K-957.824473
Energy at 298.15K 
HF Energy-957.402239
Nuclear repulsion energy124.637958
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3288 3155 0.02      
2 A1 758 727 10.06      
3 A1 310 297 0.50      
4 B1 440i 422i 46.66      
5 B2 1243 1193 60.16      
6 B2 947 909 122.60      

Unscaled Zero Point Vibrational Energy (zpe) 3053.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 2929.1 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/cc-pVDZ
ABC
1.57343 0.10890 0.10185

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/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 1.770
Cl3 0.000 1.488 -0.172
Cl4 0.000 -1.488 -0.172

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.09011.71421.7142
H21.09012.44612.4461
Cl31.71422.44612.9756
Cl41.71422.44612.9756

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 119.785 Cl3 C1 Cl4 120.429
Cl4 C1 H2 119.785
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-957.825860
Energy at 298.15K-957.826715
HF Energy-957.404234
Nuclear repulsion energy124.514466
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3241 3109 2.51      
2 A' 766 735 16.00      
3 A' 555 533 18.60      
4 A' 305 293 0.45      
5 A" 1248 1197 46.34      
6 A" 913 876 151.27      

Unscaled Zero Point Vibrational Energy (zpe) 3514.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 3371.3 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/cc-pVDZ
ABC
1.51352 0.10953 0.10240

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.013 0.708 0.000
H2 -0.532 1.657 0.000
Cl3 0.013 -0.174 1.482
Cl4 0.013 -0.174 -1.482

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.09421.72481.7248
H21.09422.41772.4177
Cl31.72482.41772.9649
Cl41.72482.41772.9649

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 116.310 Cl3 C1 Cl4 118.520
Cl4 C1 H2 116.310
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability