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

using model chemistry: MP3=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 MP3=FULL/3-21G*
 hartrees
Energy at 0K-953.368962
Energy at 298.15K 
HF Energy-952.979527
Nuclear repulsion energy124.796219
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 MP3=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 3320 3320 0.16      
2 A1 734 734 12.08      
3 A1 315 315 0.63      
4 B1 365i 365i 63.76      
5 B2 1310 1310 45.98      
6 B2 901 901 128.69      

Unscaled Zero Point Vibrational Energy (zpe) 3107.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3107.5 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 MP3=FULL/3-21G*
ABC
1.57108 0.10923 0.10213

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.683
H2 0.000 0.000 1.759
Cl3 0.000 1.486 -0.172
Cl4 0.000 -1.486 -0.172

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07641.71391.7139
H21.07642.43642.4364
Cl31.71392.43642.9710
Cl41.71392.43642.9710

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 119.915 Cl3 C1 Cl4 120.170
Cl4 C1 H2 119.915
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP3=FULL/3-21G*
 hartrees
Energy at 0K-953.369635
Energy at 298.15K-953.370412
HF Energy-952.979964
Nuclear repulsion energy124.544859
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 MP3=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' 3282 3282 1.11      
2 A' 745 745 19.66      
3 A' 471 471 28.15      
4 A' 310 310 0.84      
5 A" 1316 1316 38.76      
6 A" 869 869 145.53      

Unscaled Zero Point Vibrational Energy (zpe) 3497.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3497.0 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 MP3=FULL/3-21G*
ABC
1.52242 0.10942 0.10227

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.011 0.704 0.000
H2 -0.448 1.681 0.000
Cl3 0.011 -0.174 1.484
Cl4 0.011 -0.174 -1.484

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07951.72391.7239
H21.07952.41922.4192
Cl31.72392.41922.9670
Cl41.72392.41922.9670

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 117.448 Cl3 C1 Cl4 118.763
Cl4 C1 H2 117.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability