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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-795.209196
Energy at 298.15K 
HF Energy-795.209196
Nuclear repulsion energy160.549313
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/Def2TZVPP
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' 3288 2980 4.35 96.27 0.08 0.14
2 A' 1574 1427 0.09 13.81 0.57 0.73
3 A' 1336 1211 97.96 10.89 0.26 0.41
4 A' 801 726 99.50 9.64 0.74 0.85
5 A' 585 530 15.28 36.03 0.21 0.34
6 A' 211 191 0.31 6.09 0.40 0.58
7 A" 3372 3056 0.72 52.53 0.75 0.86
8 A" 1240 1124 0.03 2.04 0.75 0.86
9 A" 868 787 4.05 0.84 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6637.2 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 6015.9 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/Def2TZVPP
ABC
0.93869 0.05393 0.05149

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.791 -1.069 0.000
Cl2 -0.442 -2.327 0.000
I3 0.000 0.912 0.000
H4 1.387 -1.170 0.886
H5 1.387 -1.170 -0.886

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.76172.13291.07191.0719
Cl21.76173.26862.33812.3381
I32.13293.26862.65362.6536
H41.07192.33812.65361.7712
H51.07192.33812.65361.7712

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.785 Cl2 C1 H4 108.754
Cl2 C1 H5 108.754 I3 C1 H4 107.081
I3 C1 H5 107.081 H4 C1 H5 111.415
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.125      
2 Cl -0.114      
3 I -0.035      
4 H 0.137      
5 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.607 -0.132 0.000 1.613
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.687 -2.940 0.000
y -2.940 -47.226 0.000
z 0.000 0.000 -46.439
Traceless
 xyz
x 2.145 -2.940 0.000
y -2.940 -1.662 0.000
z 0.000 0.000 -0.483
Polar
3z2-r2-0.966
x2-y22.539
xy-2.940
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.706 0.022 0.000
y 0.022 10.784 0.000
z 0.000 0.000 5.864


<r2> (average value of r2) Å2
<r2> 163.722
(<r2>)1/2 12.795