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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-957.443876
Energy at 298.15K 
HF Energy-957.272790
Nuclear repulsion energy119.398769
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/SDD
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 3313 3198 1.59      
2 A1 674 651 13.76      
3 A1 288 278 0.53      
4 B1 565i 546i 99.74      
5 B2 1248 1204 50.91      
6 B2 854 824 135.90      

Unscaled Zero Point Vibrational Energy (zpe) 2905.4 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 2804.6 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/SDD
ABC
1.46223 0.09951 0.09317

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.713
H2 0.000 0.000 1.798
Cl3 0.000 1.556 -0.179
Cl4 0.000 -1.556 -0.179

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.08541.79351.7935
H21.08542.51582.5158
Cl31.79352.51583.1128
Cl41.79352.51583.1128

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 119.797 Cl3 C1 Cl4 120.406
Cl4 C1 H2 119.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2/SDD
 hartrees
Energy at 0K-957.446841
Energy at 298.15K-957.447634
HF Energy-957.274477
Nuclear repulsion energy118.947523
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/SDD
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' 3251 3138 8.25      
2 A' 729 704 25.44      
3 A' 599 578 11.85      
4 A' 279 270 0.51      
5 A" 1255 1211 43.26      
6 A" 797 770 159.88      

Unscaled Zero Point Vibrational Energy (zpe) 3454.7 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 3334.8 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/SDD
ABC
1.38447 0.09972 0.09332

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.015 0.753 0.000
H2 -0.608 1.648 0.000
Cl3 0.015 -0.181 1.553
Cl4 0.015 -0.181 -1.553

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.09091.81261.8126
H21.09092.47952.4795
Cl31.81262.47953.1068
Cl41.81262.47953.1068

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 115.014 Cl3 C1 Cl4 117.959
Cl4 C1 H2 115.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability