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

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-957.764188
Energy at 298.15K 
HF Energy-957.360092
Nuclear repulsion energy126.209400
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/6-31+G**
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 3376 3171 0.33      
2 A1 791 743 9.23      
3 A1 327 307 0.32      
4 B1 442i 415i 56.51      
5 B2 1318 1238 61.32      
6 B2 978 919 154.04      

Unscaled Zero Point Vibrational Energy (zpe) 3173.9 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 2980.9 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/6-31+G**
ABC
1.62983 0.11141 0.10428

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.667
H2 0.000 0.000 1.740
Cl3 0.000 1.471 -0.169
Cl4 0.000 -1.471 -0.169

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07271.69211.6921
H21.07272.41002.4100
Cl31.69212.41002.9418
Cl41.69212.41002.9418

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 119.624 Cl3 C1 Cl4 120.752
Cl4 C1 H2 119.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-957.765368
Energy at 298.15K-957.766261
HF Energy-957.361531
Nuclear repulsion energy126.017975
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/6-31+G**
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' 3327 3124 1.41      
2 A' 798 749 15.55      
3 A' 558 524 21.97      
4 A' 320 301 0.38      
5 A" 1322 1241 53.58      
6 A" 944 886 180.15      

Unscaled Zero Point Vibrational Energy (zpe) 3634.0 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 3413.1 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 MP2=FULL/6-31+G**
ABC
1.57464 0.11180 0.10463

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.012 0.692 0.000
H2 -0.494 1.642 0.000
Cl3 0.012 -0.170 1.467
Cl4 0.012 -0.170 -1.467

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07671.70211.7021
H21.07672.38662.3866
Cl31.70212.38662.9349
Cl41.70212.38662.9349

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 116.569 Cl3 C1 Cl4 119.112
Cl4 C1 H2 116.569
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability