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

using model chemistry: CBS-Q

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 CBS-Q
 hartrees
Energy at 0K-498.904259
Energy at 298.15K-498.900096
HF Energy-498.461736
Nuclear repulsion energy45.038433
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 CBS-Q
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' 3333 3333 13.93 104.53 0.13 0.22
2 A' 1530 1530 24.78 3.72 0.68 0.81
3 A' 863 863 46.70 11.41 0.32 0.49
4 A' 495 495 48.01 2.17 0.24 0.39
5 A" 3484 3484 0.88 53.21 0.75 0.86
6 A" 1084 1084 0.03 6.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5394.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5394.2 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 CBS-Q
ABC
9.05461 0.52563 0.49802

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 1.133 0.000
Cl2 -0.016 -0.589 0.000
H3 0.185 1.608 0.941
H4 0.185 1.608 -0.941

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.72221.07331.0733
Cl21.72222.39902.3990
H31.07332.39901.8823
H41.07332.39901.8823

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 116.284 Br2 C1 H4 116.284
H3 C1 H4 122.545
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-498.905448
Energy at 298.15K-498.901545
HF Energy-498.461356
Nuclear repulsion energy45.111902
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 CBS-Q
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 3346 3346 9.55 102.20 0.13 0.23
2 A1 1525 1525 27.05      
3 A1 871 871 41.86      
4 B1 404i 404i 72.12      
5 B2 3506 3506 0.06      
6 B2 1067 1067 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 4955.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4955.2 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 CBS-Q
ABC
9.16289 0.52666 0.49803

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.128
Cl2 0.000 0.000 0.589
H3 0.000 0.949 -1.625
H4 0.000 -0.949 -1.625

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.71681.07171.0717
Cl21.71682.40942.4094
H31.07172.40941.8979
H41.07172.40941.8979

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 117.685 Br2 C1 H4 117.685
H3 C1 H4 124.629
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability