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

using model chemistry: MP2/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-957.978752
Energy at 298.15K 
HF Energy-957.449182
Nuclear repulsion energy126.617723
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/aug-cc-pVTZ
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 3164 1.59      
2 A1 778 741 6.85      
3 A1 316 301 0.33      
4 B1 452i 430i 36.17      
5 B2 1251 1192 55.10      
6 B2 955 910 136.27      

Unscaled Zero Point Vibrational Energy (zpe) 3084.1 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 2938.9 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/aug-cc-pVTZ
ABC
1.60768 0.11262 0.10525

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.673
H2 0.000 0.000 1.746
Cl3 0.000 1.463 -0.170
Cl4 0.000 -1.463 -0.170

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07251.68871.6887
H21.07252.41072.4107
Cl31.68872.41072.9259
Cl41.68872.41072.9259

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 119.965 Cl3 C1 Cl4 120.069
Cl4 C1 H2 119.965
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2/aug-cc-pVTZ
 hartrees
Energy at 0K-957.980088
Energy at 298.15K-957.980966
HF Energy-957.450864
Nuclear repulsion energy126.362195
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/aug-cc-pVTZ
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' 3264 3110 0.84      
2 A' 789 752 13.36      
3 A' 559 533 17.49      
4 A' 311 296 0.30      
5 A" 1261 1202 42.79      
6 A" 917 874 163.57      

Unscaled Zero Point Vibrational Energy (zpe) 3550.1 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 3382.9 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/aug-cc-pVTZ
ABC
1.54405 0.11304 0.10559

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.013 0.701 0.000
H2 -0.515 1.640 0.000
Cl3 0.013 -0.172 1.459
Cl4 0.013 -0.172 -1.459

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07711.70071.7007
H21.07712.38592.3859
Cl31.70072.38592.9185
Cl41.70072.38592.9185

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 116.589 Cl3 C1 Cl4 118.190
Cl4 C1 H2 116.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability