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All results from a given calculation for CH2Cl (chloromethyl radical)

using model chemistry: CISD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
1 2 no C2V 2B1

Conformer 1 (CS)

Jump to S1C2
Energy calculated at CISD/cc-pVTZ
 hartrees
Energy at 0K-498.851194
Energy at 298.15K 
HF Energy-498.515337
Nuclear repulsion energy45.500774
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 CISD/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' 3259 3031 6.83      
2 A' 1472 1369 13.16      
3 A' 869 808 33.89      
4 A' 140 130 65.52      
5 A" 3410 3171 0.08      
6 A" 1027 955 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 5088.7 cm-1
Scaled (by 0.9298) Zero Point Vibrational Energy (zpe) 4731.4 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 CISD/cc-pVTZ
ABC
9.33922 0.52998 0.50166

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 1.115 0.000
Cl2 -0.004 -0.584 0.000
H3 0.051 1.615 0.945
H4 0.051 1.615 -0.945

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.69891.07041.0704
Cl21.69892.39362.3936
H31.07042.39361.8901
H41.07042.39361.8901

picture of chloromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 117.823 Br2 C1 H4 117.823
H3 C1 H4 123.975
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CISD/cc-pVTZ
 hartrees
Energy at 0K-498.851193
Energy at 298.15K 
HF Energy-498.515302
Nuclear repulsion energy45.506653
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 CISD/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 3261 3032 6.62      
2 A1 1472 1369 13.25      
3 A1 869 808 33.62      
4 B1 82i 76i 67.19      
5 B2 3412 3173 0.11      
6 B2 1026 954 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 4979.2 cm-1
Scaled (by 0.9298) Zero Point Vibrational Energy (zpe) 4629.7 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 CISD/cc-pVTZ
ABC
9.35267 0.53013 0.50169

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.115
Cl2 0.000 0.000 0.584
H3 0.000 0.946 -1.616
H4 0.000 -0.946 -1.616

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.69851.07031.0703
Cl21.69852.39442.3944
H31.07032.39441.8913
H41.07032.39441.8913

picture of chloromethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 117.927 Br2 C1 H4 117.927
H3 C1 H4 124.146
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability