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All results from a given calculation for CHCl2 (dichloromethyl radical)

using model chemistry: QCISD/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/aug-cc-pVTZ
 hartrees
Energy at 0K-958.018794
Energy at 298.15K 
HF Energy-957.449317
Nuclear repulsion energy125.904477
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/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 3290 3166 0.71      
2 A1 762 733 6.23      
3 A1 310 299 0.42      
4 B1 411i 395i 33.95      
5 B2 1247 1200 55.04      
6 B2 944 908 115.26      

Unscaled Zero Point Vibrational Energy (zpe) 3070.7 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 2955.2 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/aug-cc-pVTZ
ABC
1.59950 0.11119 0.10396

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.675
H2 0.000 0.000 1.749
Cl3 0.000 1.472 -0.171
Cl4 0.000 -1.472 -0.171

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07381.69801.6980
H21.07382.41932.4193
Cl31.69802.41932.9447
Cl41.69802.41932.9447

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 119.878 Cl3 C1 Cl4 120.244
Cl4 C1 H2 119.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at QCISD/aug-cc-pVTZ
 hartrees
Energy at 0K-958.019818
Energy at 298.15K-958.020659
HF Energy-957.450940
Nuclear repulsion energy125.765286
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/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' 3249 3127 0.62      
2 A' 771 742 11.05      
3 A' 524 504 18.56      
4 A' 306 294 0.44      
5 A" 1258 1211 43.30      
6 A" 914 880 138.99      

Unscaled Zero Point Vibrational Energy (zpe) 3510.8 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 3378.8 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/aug-cc-pVTZ
ABC
1.54255 0.11175 0.10444

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.012 0.701 0.000
H2 -0.492 1.653 0.000
Cl3 0.012 -0.172 1.468
Cl4 0.012 -0.172 -1.468

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07741.70781.7078
H21.07742.39582.3958
Cl31.70782.39582.9355
Cl41.70782.39582.9355

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 116.858 Cl3 C1 Cl4 118.510
Cl4 C1 H2 116.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability