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All results from a given calculation for KOH (Potassium hydroxide)

using model chemistry: B3PW91/6-31G**

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 B3PW91/6-31G**
 hartrees
Energy at 0K-675.632053
Energy at 298.15K-675.633475
HF Energy-675.632053
Nuclear repulsion energy43.842684
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 B3PW91/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 3924 3761 5.91      
2 Σ 481 461 55.64      
3 Π 283 271 64.08      
3 Π 283 271 64.08      

Unscaled Zero Point Vibrational Energy (zpe) 2485.3 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 2381.9 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 B3PW91/6-31G**
B
0.27129

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
K1 0.000 0.000 0.747
O2 0.000 0.000 -1.471
H3 0.000 0.000 -2.429

Atom - Atom Distances (Å)
  K1 O2 H3
K12.21823.1767
O22.21820.9584
H33.17670.9584

picture of Potassium hydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
K1 O2 H3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 K 0.664      
2 O -0.904      
3 H 0.240      


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 6.469 6.469
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.752 0.000 0.000
y 0.000 -18.752 0.000
z 0.000 0.000 -17.366
Traceless
 xyz
x -0.693 0.000 0.000
y 0.000 -0.693 0.000
z 0.000 0.000 1.386
Polar
3z2-r22.772
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 4.000 0.000 -0.000
y 0.000 4.000 0.000
z -0.000 0.000 5.063


<r2> (average value of r2) Å2
<r2> 45.245
(<r2>)1/2 6.726