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

using model chemistry: QCISD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-957.848615
Energy at 298.15K 
HF Energy-957.414786
Nuclear repulsion energy125.390791
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/6-311G**
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 3296 3145 0.23      
2 A1 768 733 7.98      
3 A1 322 307 0.23      
4 B1 393i 375i 53.10      
5 B2 1299 1239 55.95      
6 B2 955 911 138.26      

Unscaled Zero Point Vibrational Energy (zpe) 3123.5 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 2980.1 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/6-311G**
ABC
1.60830 0.10997 0.10293

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.672
H2 0.000 0.000 1.750
Cl3 0.000 1.481 -0.170
Cl4 0.000 -1.481 -0.170

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07811.70331.7033
H21.07812.42482.4248
Cl31.70332.42482.9610
Cl41.70332.42482.9610

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 119.637 Cl3 C1 Cl4 120.727
Cl4 C1 H2 119.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at QCISD/6-311G**
 hartrees
Energy at 0K-957.849554
Energy at 298.15K-957.850407
HF Energy-957.416426
Nuclear repulsion energy125.249483
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/6-311G**
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' 3260 3111 2.95      
2 A' 775 739 12.95      
3 A' 519 495 25.14      
4 A' 316 301 0.51      
5 A" 1303 1243 48.23      
6 A" 926 883 162.64      

Unscaled Zero Point Vibrational Energy (zpe) 3549.3 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 3386.4 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/6-311G**
ABC
1.55658 0.11041 0.10333

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.012 0.696 0.000
H2 -0.487 1.655 0.000
Cl3 0.012 -0.171 1.477
Cl4 0.012 -0.171 -1.477

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.08111.71261.7126
H21.08112.40112.4011
Cl31.71262.40112.9533
Cl41.71262.40112.9533

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 116.696 Cl3 C1 Cl4 119.137
Cl4 C1 H2 116.696
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability