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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: CID/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 CID/3-21G
 hartrees
Energy at 0K-7384.118219
Energy at 298.15K 
HF Energy-7383.938704
Nuclear repulsion energy279.374125
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 CID/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3209 2989 2.29      
2 A' 1520 1416 1.24      
3 A' 1274 1187 69.38      
4 A' 667 621 71.16      
5 A' 543 506 4.37      
6 A' 190 177 0.67      
7 A" 3294 3069 0.13      
8 A" 1163 1083 0.00      
9 A" 813 757 6.75      

Unscaled Zero Point Vibrational Energy (zpe) 6335.7 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 5902.3 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 CID/3-21G
ABC
0.85202 0.04976 0.04744

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.845 -1.065 0.000
Cl2 -0.467 -2.433 0.000
I3 0.000 0.947 0.000
H4 1.430 -1.209 0.901
H5 1.430 -1.209 -0.901

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.89572.18181.08361.0836
Cl21.89573.41202.43062.4306
I32.18183.41202.73942.7394
H41.08362.43062.73941.8010
H51.08362.43062.73941.8010

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.417 Cl2 C1 H4 106.112
Cl2 C1 H5 106.112 I3 C1 H4 109.393
I3 C1 H5 109.393 H4 C1 H5 112.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability