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

using model chemistry: QCISD/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-498.818194
Energy at 298.15K 
HF Energy-498.471904
Nuclear repulsion energy45.276892
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(2df,p)
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' 3225 3055 5.41      
2 A' 1437 1361 12.89      
3 A' 857 812 31.10      
4 A' 281 267 59.17      
5 A" 3376 3198 0.11      
6 A" 1012 959 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 5093.8 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 4825.8 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/6-31G(2df,p)
ABC
9.14852 0.52521 0.49738

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 1.121 0.000
Cl2 -0.010 -0.586 0.000
H3 0.112 1.616 0.950
H4 0.112 1.616 -0.950

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70741.07791.0779
Cl21.70742.40112.4011
H31.07792.40111.9001
H41.07792.40111.9001

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 117.300 Br2 C1 H4 117.300
H3 C1 H4 123.622
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-498.818162
Energy at 298.15K 
HF Energy-498.471738
Nuclear repulsion energy45.304518
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(2df,p)
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 3233 3063 4.36      
2 A1 1435 1359 13.24      
3 A1 859 814 29.86      
4 B1 205i 194i 66.43      
5 B2 3387 3209 0.33      
6 B2 1007 954 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 4857.7 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 4602.2 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 QCISD/6-31G(2df,p)
ABC
9.21062 0.52590 0.49750

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

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 0.586
H3 0.000 0.953 -1.622
H4 0.000 -0.953 -1.622

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70551.07701.0770
Cl21.70552.40432.4043
H31.07702.40431.9058
H41.07702.40431.9058

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 117.777 Br2 C1 H4 117.777
H3 C1 H4 124.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability