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

using model chemistry: CCSD/aug-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 CCSD/aug-cc-pVTZ
 hartrees
Energy at 0K-498.890124
Energy at 298.15K 
HF Energy-498.516270
Nuclear repulsion energy45.388443
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 CCSD/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' 3200 3059 6.67      
2 A' 1433 1370 11.96      
3 A' 854 816 30.40      
4 A' 121 116 63.32      
5 A" 3348 3200 0.20      
6 A" 1005 960 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4980.4 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 4760.3 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 CCSD/aug-cc-pVTZ
ABC
9.23461 0.52785 0.49946

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.005 1.118 0.000
Cl2 -0.005 -0.585 0.000
H3 0.052 1.618 0.950
H4 0.052 1.618 -0.950

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70241.07531.0753
Cl21.70242.39922.3992
H31.07532.39921.9007
H41.07532.39921.9007

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 117.701 Br2 C1 H4 117.701
H3 C1 H4 124.214
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CCSD/aug-cc-pVTZ
 hartrees
Energy at 0K-498.890121
Energy at 298.15K 
HF Energy-498.516235
Nuclear repulsion energy45.394067
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 CCSD/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 3202 3060 6.50      
2 A1 1433 1369 12.05      
3 A1 855 817 30.14      
4 B1 110i 105i 64.94      
5 B2 3350 3201 0.25      
6 B2 1003 959 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4865.7 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 4650.6 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 CCSD/aug-cc-pVTZ
ABC
9.24842 0.52799 0.49948

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.117
Cl2 0.000 0.000 0.585
H3 0.000 0.951 -1.619
H4 0.000 -0.951 -1.619

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70201.07511.0751
Cl21.70202.40002.4000
H31.07512.40001.9019
H41.07512.40001.9019

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 117.809 Br2 C1 H4 117.809
H3 C1 H4 124.381
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability