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

using model chemistry: B3PW91/6-31G(2df,p)

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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-89.859620
Energy at 298.15K-89.858704
HF Energy-89.859620
Nuclear repulsion energy12.782139
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 B3PW91/6-31G(2df,p)
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 1552 1492 5.47      

Unscaled Zero Point Vibrational Energy (zpe) 776.1 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 746.1 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 B3PW91/6-31G(2df,p)
B
1.66630

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.883
O2 0.000 0.000 0.442

Atom - Atom Distances (Å)
  Be1 O2
Be11.3248
O21.3248

picture of beryllium oxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be -0.011      
2 O 0.011      


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 -5.803 5.803
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.226 0.000 0.000
y 0.000 -10.226 0.000
z 0.000 0.000 -3.621
Traceless
 xyz
x -3.303 0.000 0.000
y 0.000 -3.303 0.000
z 0.000 0.000 6.605
Polar
3z2-r213.211
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 3.665 0.000 0.000
y 0.000 3.665 0.000
z 0.000 0.000 3.565


<r2> (average value of r2) Å2
<r2> 9.692
(<r2>)1/2 3.113