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

using model chemistry: TPSSh/6-31+G**

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 TPSSh/6-31+G**
 hartrees
Energy at 0K-166.521374
Energy at 298.15K 
HF Energy-166.521374
Nuclear repulsion energy49.177264
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 TPSSh/6-31+G**
Rotational Constants (cm-1) from geometry optimized at TPSSh/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31+G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2)

Jump to S1C1
Energy calculated at TPSSh/6-31+G**
 hartrees
Energy at 0K-166.523914
Energy at 298.15K-166.525310
HF Energy-166.523914
Nuclear repulsion energy48.685179
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 TPSSh/6-31+G**
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 3979 3830 24.11      
2 A 725 698 1.63      
3 A 516 497 126.00      
4 A 323 311 35.46      
5 A 203 196 172.69      
6 B 3978 3829 190.75      
7 B 1510 1453 429.70      
8 B 520 501 363.72      
9 B 308 297 103.08      

Unscaled Zero Point Vibrational Energy (zpe) 6031.7 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 5805.5 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 TPSSh/6-31+G**
ABC
18.85455 0.22493 0.22447

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.009
O2 0.000 1.433 -0.047
O3 0.000 -1.433 -0.047
H4 0.542 2.087 0.395
H5 -0.542 -2.087 0.395

Atom - Atom Distances (Å)
  Be1 O2 O3 H4 H5
Be11.43391.43392.19422.1942
O21.43392.86670.95773.5895
O31.43392.86673.58950.9577
H42.19420.95773.58954.3132
H52.19423.58950.95774.3132

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 132.100 Be1 O3 H5 132.100
O2 Be1 O3 176.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.987      
2 O -0.862      
3 O -0.862      
4 H 0.368      
5 H 0.368      


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 1.680 1.680
CHELPG        
AIM        
ESP        


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 2.467 0.024 0.000
y 0.024 4.282 0.000
z 0.000 0.000 2.477


<r2> (average value of r2) Å2
<r2> 52.325
(<r2>)1/2 7.234