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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-7345.969681
Energy at 298.15K 
HF Energy-7345.969681
Nuclear repulsion energy282.241470
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 PBEPBE/STO-3G
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' 3273 2990 0.16 42.56 0.14 0.24
2 A' 1549 1415 0.84 14.86 0.72 0.83
3 A' 1288 1176 51.12 3.11 0.72 0.84
4 A' 792 723 92.31 8.10 0.32 0.48
5 A' 598 547 16.76 11.10 0.23 0.37
6 A' 203 186 1.17 6.95 0.54 0.70
7 A" 3402 3108 0.05 32.44 0.75 0.86
8 A" 1192 1089 0.08 11.49 0.75 0.86
9 A" 833 761 0.20 2.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6565.0 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 5997.8 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 PBEPBE/STO-3G
ABC
0.91780 0.05036 0.04819

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.797 -1.053 0.000
Cl2 -0.448 -2.420 0.000
I3 0.000 0.941 0.000
H4 1.419 -1.197 0.909
H5 1.419 -1.197 -0.909

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.84982.14731.11041.1104
Cl21.84983.39082.41032.4103
I32.14733.39082.72222.7222
H41.11042.41032.72221.8174
H51.11042.41032.72221.8174

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 115.861 Cl2 C1 H4 106.325
Cl2 C1 H5 106.325 I3 C1 H4 109.178
I3 C1 H5 109.178 H4 C1 H5 109.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.200      
2 Cl -0.128      
3 I 0.072      
4 H 0.128      
5 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.821 0.427 0.000 1.871
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.859 -2.712 0.000
y -2.712 -47.864 0.000
z 0.000 0.000 -43.925
Traceless
 xyz
x 3.036 -2.712 0.000
y -2.712 -4.472 0.000
z 0.000 0.000 1.436
Polar
3z2-r22.872
x2-y25.006
xy-2.712
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.895 -0.005 0.000
y -0.005 5.580 0.000
z 0.000 0.000 1.016


<r2> (average value of r2) Å2
<r2> 196.950
(<r2>)1/2 14.034