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All results from a given calculation for MgOH (magnesium hydroxide)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-275.866786
Energy at 298.15K-275.867512
HF Energy-275.866786
Nuclear repulsion energy35.065782
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 B3PW91/6-311G*
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' 3983 3835 21.57      
2 A' 746 718 47.49      
3 A' 234 226 161.45      

Unscaled Zero Point Vibrational Energy (zpe) 2481.7 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 2389.1 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 B3PW91/6-311G*
ABC
69.34120 0.48753 0.48413

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.025 0.991 0.000
Mg2 0.025 -0.809 0.000
H3 -0.499 1.785 0.000

Atom - Atom Distances (Å)
  O1 Mg2 H3
O11.80020.9520
Mg21.80022.6472
H30.95202.6472

picture of magnesium hydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Mg2 O1 H3 146.576
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.924      
2 Mg 0.529      
3 H 0.395      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.940 -1.115 0.000 1.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.601 -2.049 0.000
y -2.049 -17.025 0.000
z 0.000 0.000 -16.382
Traceless
 xyz
x 1.103 -2.049 0.000
y -2.049 -1.034 0.000
z 0.000 0.000 -0.069
Polar
3z2-r2-0.139
x2-y21.424
xy-2.049
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.013 -0.084 0.002
y -0.084 6.656 -0.001
z 0.002 -0.001 7.793


<r2> (average value of r2) Å2
<r2> 29.367
(<r2>)1/2 5.419