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

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-275.782573
Energy at 298.15K-275.783360
HF Energy-275.782573
Nuclear repulsion energy35.188644
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 HSEh1PBE/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' 4006 3850 37.46      
2 A' 744 716 57.20      
3 A' 278 267 104.77      

Unscaled Zero Point Vibrational Energy (zpe) 2514.0 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 2416.2 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 HSEh1PBE/cc-pVTZ
ABC
52.84450 0.49292 0.48837

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.029 0.991 0.000
Mg2 0.029 -0.805 0.000
H3 -0.571 1.729 0.000

Atom - Atom Distances (Å)
  O1 Mg2 H3
O11.79520.9510
Mg21.79522.6037
H30.95102.6037

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 140.955
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.527      
2 Mg 0.348      
3 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.862 -1.373 0.000 1.622
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.436 -1.916 0.000
y -1.916 -17.804 0.000
z 0.000 0.000 -16.377
Traceless
 xyz
x 1.654 -1.916 0.000
y -1.916 -1.898 0.000
z 0.000 0.000 0.243
Polar
3z2-r20.486
x2-y22.368
xy-1.916
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.851 -0.059 0.000
y -0.059 7.162 0.000
z 0.000 0.000 8.605


<r2> (average value of r2) Å2
<r2> 29.281
(<r2>)1/2 5.411