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

using model chemistry: QCISD/6-31G**

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 QCISD/6-31G**
 hartrees
Energy at 0K-498.743194
Energy at 298.15K 
HF Energy-498.464551
Nuclear repulsion energy45.267596
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 QCISD/6-31G**
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' 3257 3066 9.08      
2 A' 1487 1400 18.13      
3 A' 869 818 31.83      
4 A' 267 252 68.91      
5 A" 3405 3205 1.03      
6 A" 1040 980 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 5162.5 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 4859.9 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 QCISD/6-31G**
ABC
9.23660 0.52438 0.49679

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 1.121 0.000
Cl2 -0.009 -0.586 0.000
H3 0.103 1.621 0.946
H4 0.103 1.621 -0.946

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70791.07601.0760
Cl21.70792.40432.4043
H31.07602.40431.8928
H41.07602.40431.8928

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 117.658 Br2 C1 H4 117.658
H3 C1 H4 123.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at QCISD/6-31G**
 hartrees
Energy at 0K-498.743171
Energy at 298.15K 
HF Energy-498.464429
Nuclear repulsion energy45.285636
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 QCISD/6-31G**
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 3263 3072 7.98      
2 A1 1487 1399 18.69      
3 A1 870 819 30.78      
4 B1 189i 178i 77.39      
5 B2 3414 3214 0.64      
6 B2 1036 975 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 4940.5 cm-1
Scaled (by 0.9414) Zero Point Vibrational Energy (zpe) 4651.0 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 QCISD/6-31G**
ABC
9.29125 0.52482 0.49676

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.120
Cl2 0.000 0.000 0.587
H3 0.000 0.949 -1.626
H4 0.000 -0.949 -1.626

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70661.07531.0753
Cl21.70662.40752.4075
H31.07532.40751.8975
H41.07532.40751.8975

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 118.078 Br2 C1 H4 118.078
H3 C1 H4 123.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability