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All results from a given calculation for HOI (Hypoiodous acid)

using model chemistry: wB97X-D/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/CEP-31G
 hartrees
Energy at 0K-27.948253
Energy at 298.15K 
HF Energy-27.948253
Nuclear repulsion energy15.416969
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 wB97X-D/CEP-31G
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' 3723 3723 54.59 126.17 0.29 0.45
2 A' 1095 1095 33.91 8.33 0.75 0.86
3 A' 536 536 4.00 33.91 0.40 0.57

Unscaled Zero Point Vibrational Energy (zpe) 2676.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2676.7 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 wB97X-D/CEP-31G
ABC
20.70239 0.25773 0.25456

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.015 1.763 0.000
I2 0.015 -0.305 0.000
H3 -0.921 2.073 0.000

Atom - Atom Distances (Å)
  O1 I2 H3
O12.06780.9863
I22.06782.5560
H30.98632.5560

picture of Hypoiodous acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
I2 O1 H3 108.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.658      
2 I 0.300      
3 H 0.358      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.089 -0.952 0.000 2.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.965 -4.486 0.000
y -4.486 -24.073 0.000
z 0.000 0.000 -27.175
Traceless
 xyz
x 0.659 -4.486 0.000
y -4.486 1.997 0.000
z 0.000 0.000 -2.656
Polar
3z2-r2-5.313
x2-y2-0.892
xy-4.486
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.243 -0.345 0.000
y -0.345 5.707 0.000
z 0.000 0.000 0.573


<r2> (average value of r2) Å2
<r2> 40.309
(<r2>)1/2 6.349