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All results from a given calculation for CHCl2 (dichloromethyl 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 no C2V 2B1
1 2 yes CS 2A'

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-958.044511
Energy at 298.15K 
HF Energy-957.449292
Nuclear repulsion energy125.711822
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 3265 3157        
2 A1 753 728        
3 A1 307 297        
4 B1 412i 398i        
5 B2 1231 1190        
6 B2 928 897        

Unscaled Zero Point Vibrational Energy (zpe) 3036.2 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 2935.4 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
1.59124 0.11089 0.10367

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 0.677
H2 0.000 0.000 1.753
Cl3 0.000 1.474 -0.171
Cl4 0.000 -1.474 -0.171

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07601.70091.7009
H21.07602.42402.4240
Cl31.70092.42402.9487
Cl41.70092.42402.9487

picture of dichloromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl3 C1 H2 119.912 Cl3 C1 Cl4 120.176
Cl4 C1 H2 119.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at QCISD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-958.045614
Energy at 298.15K-958.046441
HF Energy-957.450929
Nuclear repulsion energy125.549907
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' 3223 3116        
2 A' 764 739        
3 A' 524 506        
4 A' 302 292        
5 A" 1240 1199        
6 A" 896 867        

Unscaled Zero Point Vibrational Energy (zpe) 3474.4 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 3359.1 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
1.53240 0.11145 0.10414

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 0.013 0.704 0.000
H2 -0.504 1.652 0.000
Cl3 0.013 -0.173 1.470
Cl4 0.013 -0.173 -1.470

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07951.71131.7113
H21.07952.39912.3991
Cl31.71132.39912.9394
Cl41.71132.39912.9394

picture of dichloromethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl3 C1 H2 116.729 Cl3 C1 Cl4 118.371
Cl4 C1 H2 116.729
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability