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

using model chemistry: MP2=FULL/STO-3G

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=FULL/STO-3G
 hartrees
Energy at 0K-947.135238
Energy at 298.15K 
HF Energy-947.078103
Nuclear repulsion energy120.568308
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=FULL/STO-3G
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 3542 3149 5.26      
2 A1 798 709 22.08      
3 A1 299 265 3.83      
4 B1 631i 561i 27.09      
5 B2 1330 1183 112.22      
6 B2 1054 937 54.76      

Unscaled Zero Point Vibrational Energy (zpe) 3195.4 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 2840.4 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 MP2=FULL/STO-3G
ABC
1.49260 0.10153 0.09506

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.701
H2 0.000 0.000 1.802
Cl3 0.000 1.541 -0.177
Cl4 0.000 -1.541 -0.177

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.10081.77321.7732
H21.10082.50762.5076
Cl31.77322.50763.0816
Cl41.77322.50763.0816

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 119.663 Cl3 C1 Cl4 120.674
Cl4 C1 H2 119.663
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-947.139780
Energy at 298.15K-947.140627
HF Energy-947.080885
Nuclear repulsion energy120.589640
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=FULL/STO-3G
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' 3480 3093 1.88      
2 A' 826 734 25.32      
3 A' 720 640 2.19      
4 A' 296 263 3.08      
5 A" 1337 1188 71.67      
6 A" 1016 903 90.15      

Unscaled Zero Point Vibrational Energy (zpe) 3837.0 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 3410.7 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=FULL/STO-3G
ABC
1.39160 0.10310 0.09638

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.017 0.751 0.000
H2 -0.669 1.622 0.000
Cl3 0.017 -0.180 1.527
Cl4 0.017 -0.180 -1.527

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.10891.78881.7888
H21.10892.46012.4601
Cl31.78882.46013.0547
Cl41.78882.46013.0547

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 114.141 Cl3 C1 Cl4 117.259
Cl4 C1 H2 114.141
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability