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

using model chemistry: PBE1PBE/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 PBE1PBE/TZVP
 hartrees
Energy at 0K-166.382618
Energy at 298.15K 
HF Energy-166.382618
Nuclear repulsion energy49.299323
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 PBE1PBE/TZVP
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/TZVP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at PBE1PBE/TZVP
 hartrees
Energy at 0K-166.384444
Energy at 298.15K-166.385928
HF Energy-166.384444
Nuclear repulsion energy48.977466
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 PBE1PBE/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 4053 3889 24.78      
2 A 748 718 1.00      
3 A 526 505 148.98      
4 A 349 335 18.38      
5 A 200 192 179.13      
6 B 4051 3887 227.70      
7 B 1588 1524 443.37      
8 B 519 498 401.67      
9 B 340 326 82.19      

Unscaled Zero Point Vibrational Energy (zpe) 6186.8 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 5936.9 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 PBE1PBE/TZVP
ABC
20.06399 0.22728 0.22698

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 0.515 2.091 0.392
H5 -0.515 -2.091 0.392

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.42531.42532.18972.1897
O21.42532.84920.95053.5805
O31.42532.84923.58050.9505
H42.18970.95053.58054.3074
H52.18973.58050.95054.3074

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 133.352 Be1 O3 H5 133.352
O2 Be1 O3 176.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.610      
2 O -0.612      
3 O -0.612      
4 H 0.307      
5 H 0.307      


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 1.760 1.760
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.395 4.762 0.000
y 4.762 -14.782 0.000
z 0.000 0.000 -15.979
Traceless
 xyz
x -0.014 4.762 0.000
y 4.762 0.905 0.000
z 0.000 0.000 -0.890
Polar
3z2-r2-1.781
x2-y2-0.613
xy4.762
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.045 0.142 0.000
y 0.142 3.863 0.000
z 0.000 0.000 2.027


<r2> (average value of r2) Å2
<r2> 51.702
(<r2>)1/2 7.190