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

using model chemistry: MP4=FULL/3-21G

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 MP4=FULL/3-21G
 hartrees
Energy at 0K-952.954581
Energy at 298.15K 
HF Energy-952.751559
Nuclear repulsion energy118.893061
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 MP4=FULL/3-21G
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 3295 3225        
2 A1 636 623        
3 A1 266 260        
4 B1 530i 518i        
5 B2 1183 1158        
6 B2 798 782        

Unscaled Zero Point Vibrational Energy (zpe) 2823.9 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 2764.1 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 MP4=FULL/3-21G
ABC
1.39117 0.09949 0.09285

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.736
H2 0.000 0.000 1.815
Cl3 0.000 1.556 -0.183
Cl4 0.000 -1.556 -0.183

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07921.80781.8078
H21.07922.53322.5332
Cl31.80782.53323.1130
Cl41.80782.53323.1130

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 120.571 Cl3 C1 Cl4 118.859
Cl4 C1 H2 120.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-952.957554
Energy at 298.15K-952.958268
HF Energy-952.753032
Nuclear repulsion energy118.124388
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 MP4=FULL/3-21G
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' 3226 3157        
2 A' 710 695        
3 A' 551 539        
4 A' 262 256        
5 A" 1206 1180        
6 A" 741 725        

Unscaled Zero Point Vibrational Energy (zpe) 3347.2 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 3276.2 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 MP4=FULL/3-21G
ABC
1.30755 0.09925 0.09257

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.016 0.782 0.000
H2 -0.634 1.651 0.000
Cl3 0.016 -0.187 1.557
Cl4 0.016 -0.187 -1.557

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.08511.83361.8336
H21.08512.49442.4944
Cl31.83362.49443.1138
Cl41.83362.49443.1138

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 115.016 Cl3 C1 Cl4 116.225
Cl4 C1 H2 115.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability