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All results from a given calculation for Be(OH)2 (Beryllium hydroxide)

using model chemistry: HSEh1PBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C2 1A

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at HSEh1PBE/TZVP
 hartrees
Energy at 0K-166.399763
Energy at 298.15K 
HF Energy-166.399763
Nuclear repulsion energy49.305325
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/TZVP
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at HSEh1PBE/TZVP
 hartrees
Energy at 0K-166.401594
Energy at 298.15K-166.403069
HF Energy-166.401594
Nuclear repulsion energy48.970989
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/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 A 4049 3888 24.66      
2 A 747 717 0.95      
3 A 521 500 150.24      
4 A 349 335 17.18      
5 A 198 190 180.93      
6 B 4047 3886 231.01      
7 B 1586 1523 446.03      
8 B 514 494 400.78      
9 B 340 327 82.52      

Unscaled Zero Point Vibrational Energy (zpe) 6176.0 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 5929.6 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/TZVP
ABC
20.29555 0.22717 0.22686

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.003
O2 0.000 1.425 -0.048
O3 0.000 -1.425 -0.048
H4 0.513 2.095 0.389
H5 -0.513 -2.095 0.389

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42541.42542.19222.1922
O21.42542.84940.95033.5836
O31.42542.84943.58360.9503
H42.19220.95033.58364.3138
H52.19223.58360.95034.3138

picture of Beryllium hydroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Be1 O2 H4 133.663 Be1 O3 H5 133.663
O2 Be1 O3 176.364
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.613      
2 O -0.614      
3 O -0.614      
4 H 0.308      
5 H 0.308      


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 1.752 1.752
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.420 4.757 0.000
y 4.757 -14.719 0.000
z 0.000 0.000 -16.008
Traceless
 xyz
x -0.057 4.757 0.000
y 4.757 0.995 0.000
z 0.000 0.000 -0.939
Polar
3z2-r2-1.877
x2-y2-0.702
xy4.757
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.043 0.141 0.000
y 0.141 3.874 0.000
z 0.000 0.000 2.025


<r2> (average value of r2) Å2
<r2> 51.728
(<r2>)1/2 7.192