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All results from a given calculation for Mg(OH)2 (Magnesium dihydroxide)

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
1 2 no C2 1A
1 3 no D*H 1Σg

Conformer 1 (C2H)

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Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-351.806400
Energy at 298.15K-351.807434
HF Energy-351.806400
Nuclear repulsion energy82.735385
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 4155 3968 0.00      
2 Ag 617 589 0.00      
3 Ag 192 184 0.00      
4 Au 174 166 33.54      
5 Au 98 94 430.57      
6 Bu 4154 3967 185.02      
7 Bu 917 876 212.29      
8 Bu 174 166 33.54      
9 Bu 98 94 430.57      

Unscaled Zero Point Vibrational Energy (zpe) 5289.7 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 5051.7 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/TZVP
B
0.14700

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 0.000
O2 0.000 1.793 0.000
O3 0.000 -1.793 0.000
H4 0.527 2.580 0.000
H5 -0.527 -2.580 0.000

Atom - Atom Distances (Å)
  Mg1 O2 O3 H4 H5
Mg11.79331.79332.63372.6337
O21.79333.58660.94724.4054
O31.79333.58664.40540.9472
H42.63370.94724.40545.2674
H52.63374.40540.94725.2674

picture of Magnesium dihydroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Mg1 O2 H4 146.207 Mg1 O3 H5 146.207
O2 Mg1 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 1.640      
2 O -1.118      
3 O -1.118      
4 H 0.298      
5 H 0.298      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.483 0.003 0.000
y 0.003 -22.490 0.000
z 0.000 0.000 -19.483
Traceless
 xyz
x 1.503 0.003 0.000
y 0.003 -3.007 0.000
z 0.000 0.000 1.503
Polar
3z2-r23.007
x2-y23.007
xy0.003
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.925 0.000 0.000
y 0.000 3.668 0.000
z 0.000 0.000 1.925


<r2> (average value of r2) Å2
<r2> 77.438
(<r2>)1/2 8.800

Conformer 2 (C2)

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