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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: CCD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/3-21G
 hartrees
Energy at 0K-7384.132900
Energy at 298.15K 
HF Energy-7383.938302
Nuclear repulsion energy278.239832
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 CCD/3-21G
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' 3164 3076 2.75      
2 A' 1499 1458 1.34      
3 A' 1252 1217 62.17      
4 A' 651 633 62.03      
5 A' 529 515 4.25      
6 A' 185 180 0.61      
7 A" 3249 3159 0.01      
8 A" 1141 1110 0.00      
9 A" 798 776 6.60      

Unscaled Zero Point Vibrational Energy (zpe) 6234.9 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 6062.2 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 CCD/3-21G
ABC
0.84456 0.04935 0.04706

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.849 -1.069 0.000
Cl2 -0.469 -2.443 0.000
I3 0.000 0.950 0.000
H4 1.435 -1.213 0.904
H5 1.435 -1.213 -0.904

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.90452.19051.08711.0871
Cl21.90453.42602.44062.4406
I32.19053.42602.74932.7493
H41.08712.44062.74931.8084
H51.08712.44062.74931.8084

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.387 Cl2 C1 H4 106.088
Cl2 C1 H5 106.088 I3 C1 H4 109.361
I3 C1 H5 109.361 H4 C1 H5 112.560
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability