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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-64.855867
Energy at 298.15K 
HF Energy-64.855867
Nuclear repulsion energy42.207339
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 HF/LANL2DZ
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' 3363 3027 16.82 149.67 0.07 0.13
2 A' 1581 1423 1.19 22.94 0.58 0.73
3 A' 1370 1233 105.55 4.29 0.44 0.61
4 A' 711 640 123.51 27.22 0.60 0.75
5 A' 561 505 14.51 47.90 0.22 0.36
6 A' 207 186 0.57 13.97 0.56 0.72
7 A" 3470 3123 0.83 74.98 0.75 0.86
8 A" 1254 1128 0.94 16.63 0.75 0.86
9 A" 881 793 7.72 9.84 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6698.5 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 6028.0 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 HF/LANL2DZ
ABC
0.89157 0.05153 0.04917

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.822 -1.063 0.000
Cl2 -0.455 -2.388 0.000
I3 0.000 0.931 0.000
H4 1.406 -1.183 0.889
H5 1.406 -1.183 -0.889

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.84022.15671.07061.0706
Cl21.84023.34992.38922.3892
I32.15673.34992.69012.6901
H41.07062.38922.69011.7775
H51.07062.38922.69011.7775

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.654 Cl2 C1 H4 107.365
Cl2 C1 H5 107.365 I3 C1 H4 108.160
I3 C1 H5 108.160 H4 C1 H5 112.222
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.669      
2 Cl -0.084      
3 I 0.167      
4 H 0.292      
5 H 0.292      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.219 0.628 0.000 2.306
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.515 -3.998 0.000
y -3.998 -42.360 0.000
z 0.000 0.000 -39.065
Traceless
 xyz
x 3.197 -3.998 0.000
y -3.998 -4.069 0.000
z 0.000 0.000 0.873
Polar
3z2-r21.745
x2-y24.844
xy-3.998
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.430 -0.359 0.000
y -0.359 9.177 0.000
z 0.000 0.000 1.842


<r2> (average value of r2) Å2
<r2> 91.363
(<r2>)1/2 9.558