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

using model chemistry: QCISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-498.771162
Energy at 298.15K 
HF Energy-498.486168
Nuclear repulsion energy44.905211
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3190 3061 7.90      
2 A' 1423 1366 14.05      
3 A' 853 818 33.70      
4 A' 343 330 57.70      
5 A" 3339 3203 0.29      
6 A" 1001 960 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 5074.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4868.3 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 QCISD/cc-pVDZ
ABC
8.90403 0.51739 0.49000

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.012 1.129 0.000
Cl2 -0.012 -0.590 0.000
H3 0.139 1.628 0.960
H4 0.139 1.628 -0.960

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.71961.09251.0925
Cl21.71962.42222.4222
H31.09252.42221.9198
H41.09252.42221.9198

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 117.183 Br2 C1 H4 117.183
H3 C1 H4 122.962
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-498.771089
Energy at 298.15K 
HF Energy-498.485914
Nuclear repulsion energy44.934917
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3200 3070 6.09      
2 A1 1422 1365 14.70      
3 A1 856 821 32.03      
4 B1 247i 237i 69.01      
5 B2 3353 3217 0.02      
6 B2 993 953 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 4788.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4594.1 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/cc-pVDZ
ABC
8.99164 0.51814 0.48991

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.127
Cl2 0.000 0.000 0.590
H3 0.000 0.964 -1.638
H4 0.000 -0.964 -1.638

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.71731.09141.0914
Cl21.71732.42792.4279
H31.09142.42791.9289
H41.09142.42791.9289

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 117.909 Br2 C1 H4 117.909
H3 C1 H4 124.181
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability