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

using model chemistry: QCISD(T)/aug-cc-pVTZ

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(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-498.905769
Energy at 298.15K 
HF Energy-498.516269
Nuclear repulsion energy45.308398
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(T)/aug-cc-pVTZ
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' 3179 3073        
2 A' 1417 1370        
3 A' 844 816        
4 A' 165 160        
5 A" 3327 3217        
6 A" 995 962        

Unscaled Zero Point Vibrational Energy (zpe) 4963.9 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 4799.1 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(T)/aug-cc-pVTZ
ABC
9.18025 0.52605 0.49779

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.006 1.120 0.000
Cl2 -0.006 -0.586 0.000
H3 0.067 1.618 0.952
H4 0.067 1.618 -0.952

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70581.07701.0770
Cl21.70582.40172.4017
H31.07702.40171.9046
H41.07702.40171.9046

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 117.529 Br2 C1 H4 117.529
H3 C1 H4 124.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-498.905763
Energy at 298.15K 
HF Energy-498.516208
Nuclear repulsion energy45.316348
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(T)/aug-cc-pVTZ
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 3179 3074        
2 A1 1416 1369        
3 A1 845 817        
4 B1 131i 126i        
5 B2 3329 3218        
6 B2 993 960        

Unscaled Zero Point Vibrational Energy (zpe) 4814.8 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 4655.0 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(T)/aug-cc-pVTZ
ABC
9.19298 0.52633 0.49783

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVTZ

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 0.954 -1.620
H4 0.000 -0.954 -1.620

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70521.07691.0769
Cl21.70522.40262.4026
H31.07692.40261.9076
H41.07692.40261.9076

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 117.665 Br2 C1 H4 117.665
H3 C1 H4 124.670
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability