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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: BLYP/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 BLYP/3-21G*
 hartrees
Energy at 0K-7387.782084
Energy at 298.15K 
HF Energy-7387.782084
Nuclear repulsion energy279.808972
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 BLYP/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' 3068 3048 1.96 85.81 0.09 0.17
2 A' 1449 1439 0.03 18.70 0.72 0.84
3 A' 1200 1193 60.94 3.99 0.35 0.52
4 A' 622 618 114.01 3.92 0.48 0.64
5 A' 503 500 28.88 18.97 0.17 0.29
6 A' 181 180 0.11 9.80 0.43 0.61
7 A" 3153 3133 0.18 55.91 0.75 0.86
8 A" 1120 1113 0.02 9.79 0.75 0.86
9 A" 775 770 7.01 3.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6035.4 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 5996.2 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 BLYP/3-21G*
ABC
0.88174 0.04993 0.04770

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.820 -1.116 0.000
Cl2 -0.456 -2.418 0.000
I3 0.000 0.948 0.000
H4 1.417 -1.218 0.910
H5 1.417 -1.218 -0.910

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.82302.22091.09281.0928
Cl21.82303.39612.40362.4036
I32.22093.39612.74312.7431
H41.09282.40362.74311.8194
H51.09282.40362.74311.8194

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.878 Cl2 C1 H4 108.433
Cl2 C1 H5 108.433 I3 C1 H4 106.744
I3 C1 H5 106.744 H4 C1 H5 112.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.587      
2 Cl -0.011      
3 I 0.066      
4 H 0.266      
5 H 0.266      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.536 0.060 0.000 1.537
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.858 -3.036 0.000
y -3.036 -48.022 0.000
z 0.000 0.000 -47.650
Traceless
 xyz
x 1.978 -3.036 0.000
y -3.036 -1.268 0.000
z 0.000 0.000 -0.709
Polar
3z2-r2-1.419
x2-y22.164
xy-3.036
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.744 0.296 0.000
y 0.296 10.366 0.000
z 0.000 0.000 4.855


<r2> (average value of r2) Å2
<r2> 200.116
(<r2>)1/2 14.146