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

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

19 10 17 12 22

States and conformations

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

Conformer 1 (CS)

Jump to S1C2
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-498.747640
Energy at 298.15K 
HF Energy-498.466276
Nuclear repulsion energy45.267865
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/6-31+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' 3255 3077 8.05      
2 A' 1484 1403 17.83      
3 A' 866 819 33.40      
4 A' 109 103 91.66      
5 A" 3405 3220 0.12      
6 A" 1037 980 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 5078.0 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 4800.8 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/6-31+G**
ABC
9.25801 0.52452 0.49649

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 1.121 0.000
Cl2 -0.004 -0.587 0.000
H3 0.043 1.625 0.950
H4 0.043 1.625 -0.950

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70741.07601.0760
Cl21.70742.40712.4071
H31.07602.40711.8992
H41.07602.40711.8992

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 117.928 Br2 C1 H4 117.928
H3 C1 H4 123.887
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-498.747639
Energy at 298.15K 
HF Energy-498.466256
Nuclear repulsion energy45.271104
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/6-31+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 3257 3079 7.88      
2 A1 1484 1403 17.93      
3 A1 866 819 33.18      
4 B1 77i 73i 93.68      
5 B2 3407 3221 0.10      
6 B2 1036 979 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 4986.2 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 4714.0 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/6-31+G**
ABC
9.27110 0.52457 0.49648

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

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 0.950 -1.626
H4 0.000 -0.950 -1.626

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70711.07591.0759
Cl21.70712.40782.4078
H31.07592.40781.8996
H41.07592.40781.8996

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 118.017 Br2 C1 H4 118.017
H3 C1 H4 123.965
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability