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

using model chemistry: QCISD/6-31G

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 QCISD/6-31G
 hartrees
Energy at 0K-957.472084
Energy at 298.15K 
HF Energy-957.286890
Nuclear repulsion energy119.503867
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/6-31G
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 3294 3175 0.19      
2 A1 658 635 11.05      
3 A1 281 271 0.86      
4 B1 432i 416i 74.75      
5 B2 1224 1179 62.31      
6 B2 832 802 103.54      

Unscaled Zero Point Vibrational Energy (zpe) 2928.7 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 2822.1 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/6-31G
ABC
1.46094 0.09973 0.09336

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.714
H2 0.000 0.000 1.796
Cl3 0.000 1.555 -0.179
Cl4 0.000 -1.555 -0.179

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.08231.79251.7925
H21.08232.51312.5131
Cl31.79252.51313.1093
Cl41.79252.51313.1093

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 119.852 Cl3 C1 Cl4 120.295
Cl4 C1 H2 119.852
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-957.473456
Energy at 298.15K-957.474174
HF Energy-957.287840
Nuclear repulsion energy119.177505
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/6-31G
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' 3248 3129 1.19      
2 A' 684 659 22.53      
3 A' 520 501 18.30      
4 A' 277 267 0.77      
5 A" 1235 1190 46.16      
6 A" 793 764 130.30      

Unscaled Zero Point Vibrational Energy (zpe) 3378.5 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 3255.5 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/6-31G
ABC
1.39870 0.09997 0.09353

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.013 0.745 0.000
H2 -0.536 1.682 0.000
Cl3 0.013 -0.181 1.552
Cl4 0.013 -0.181 -1.552

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.08641.80701.8070
H21.08642.48622.4862
Cl31.80702.48623.1035
Cl41.80702.48623.1035

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 116.240 Cl3 C1 Cl4 118.354
Cl4 C1 H2 116.240
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability