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

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-275.790060
Energy at 298.15K-275.790842
HF Energy-275.701500
Nuclear repulsion energy35.091942
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 B2PLYP/cc-pVTZ
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' 3970 3809 37.88      
2 A' 742 712 55.15      
3 A' 274 263 109.97      

Unscaled Zero Point Vibrational Energy (zpe) 2493.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 2391.9 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 B2PLYP/cc-pVTZ
ABC
52.17103 0.49020 0.48563

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.011 0.971 0.000
Mg2 0.011 -0.805 0.000
H3 -0.228 1.889 0.000

Atom - Atom Distances (Å)
  O1 Mg2 H3
O11.77520.9493
Mg21.77522.7044
H30.94932.7044

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 165.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.586      
2 Mg 0.396      
3 H 0.190      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.637 -0.074 0.000
y -0.074 7.093 0.000
z 0.000 0.000 8.386


<r2> (average value of r2) Å2
<r2> 29.371
(<r2>)1/2 5.420