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All results from a given calculation for BeO (beryllium oxide)

using model chemistry: B3LYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-89.900369
Energy at 298.15K-89.899453
HF Energy-89.900369
Nuclear repulsion energy12.751833
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 B3LYP/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 1548 1488 5.66      

Unscaled Zero Point Vibrational Energy (zpe) 774.2 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 743.9 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 B3LYP/6-31G**
B
1.65841

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.885
O2 0.000 0.000 0.443

Atom - Atom Distances (Å)
  Be1 O2
Be11.3279
O21.3279

picture of beryllium oxide state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.265      
2 O -0.265      


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 -5.597 5.597
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.244 0.000 0.000
y 0.000 -10.244 0.000
z 0.000 0.000 -3.954
Traceless
 xyz
x -3.145 0.000 0.000
y 0.000 -3.145 0.000
z 0.000 0.000 6.290
Polar
3z2-r212.580
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.437 0.000 0.000
y 0.000 3.437 0.000
z 0.000 0.000 3.367


<r2> (average value of r2) Å2
<r2> 9.791
(<r2>)1/2 3.129