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All results from a given calculation for CH2ClI (chloroiodomethane)

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-509.628506
Energy at 298.15K 
HF Energy-509.628506
Nuclear repulsion energy74.784286
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/SDD
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' 3364 3029 15.70 147.63 0.07 0.13
2 A' 1578 1421 1.54 22.70 0.55 0.71
3 A' 1365 1229 111.70 4.91 0.41 0.58
4 A' 709 638 121.72 28.49 0.59 0.74
5 A' 562 506 14.79 48.94 0.21 0.35
6 A' 206 186 0.46 13.83 0.56 0.72
7 A" 3471 3125 0.46 76.36 0.75 0.86
8 A" 1251 1126 1.05 16.52 0.75 0.86
9 A" 878 791 8.17 9.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6691.7 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 6025.2 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 HF/SDD
ABC
0.88645 0.05130 0.04894

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.825 -1.066 0.000
Cl2 -0.457 -2.393 0.000
I3 0.000 0.933 0.000
H4 1.409 -1.182 0.890
H5 1.409 -1.182 -0.890

Atom - Atom Distances (Å)
  C1 Cl2 I3 H4 H5
C11.84462.16281.07051.0705
Cl21.84463.35742.39572.3957
I32.16283.35742.69262.6926
H41.07052.39572.69261.7791
H51.07052.39572.69261.7791

picture of chloroiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 I3 113.577 Cl2 C1 H4 107.549
Cl2 C1 H5 107.549 I3 C1 H4 107.936
I3 C1 H5 107.936 H4 C1 H5 112.388
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.691      
2 Cl -0.072      
3 I 0.170      
4 H 0.296      
5 H 0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.183 0.480 0.000 2.235
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.439 -3.907 0.000
y -3.907 -42.837 0.000
z 0.000 0.000 -40.087
Traceless
 xyz
x 3.023 -3.907 0.000
y -3.907 -3.574 0.000
z 0.000 0.000 0.551
Polar
3z2-r21.102
x2-y24.398
xy-3.907
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.628 -0.420 0.000
y -0.420 9.530 0.000
z 0.000 0.000 2.073


<r2> (average value of r2) Å2
<r2> 151.526
(<r2>)1/2 12.310