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All results from a given calculation for ICl (Iodine monochloride)

using model chemistry: mPW1PW91/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at mPW1PW91/CEP-121G
 hartrees
Energy at 0K-26.360876
Energy at 298.15K-26.358925
HF Energy-26.360876
Nuclear repulsion energy10.501160
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 mPW1PW91/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 352 334 2.32      

Unscaled Zero Point Vibrational Energy (zpe) 175.8 cm-1
Scaled (by 0.9499) Zero Point Vibrational Energy (zpe) 167.0 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 mPW1PW91/CEP-121G
B
0.10085

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/CEP-121G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
I1 0.000 0.000 0.600
Cl2 0.000 0.000 -1.870

Atom - Atom Distances (Å)
  I1 Cl2
I12.4692
Cl22.4692

picture of Iodine monochloride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 I 0.243      
2 Cl -0.243      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.823 1.823
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.978 0.000 0.000
y 0.000 -32.978 0.000
z 0.000 0.000 -30.727
Traceless
 xyz
x -1.125 0.000 0.000
y 0.000 -1.125 0.000
z 0.000 0.000 2.251
Polar
3z2-r24.501
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.692 0.000 0.000
y 0.000 0.692 0.000
z 0.000 0.000 8.435


<r2> (average value of r2) Å2
<r2> 47.113
(<r2>)1/2 6.864