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All results from a given calculation for B2O2 (Diboron dioxide)

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-200.317345
Energy at 298.15K-200.316452
HF Energy-200.317345
Nuclear repulsion energy66.706502
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/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 Σg 2127 2054 0.00      
2 Σg 615 594 0.00      
3 Σu 1957 1889 175.62      
4 Πg 504 487 0.00      
4 Πg 504 487 0.00      
5 Πu 219 212 60.55      
5 Πu 219 212 60.55      

Unscaled Zero Point Vibrational Energy (zpe) 3072.9 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 2966.5 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 B3LYP/TZVP
B
0.11640

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.817
B2 0.000 0.000 -0.817
O3 0.000 0.000 2.017
O4 0.000 0.000 -2.017

Atom - Atom Distances (Å)
  B1 B2 O3 O4
B11.63351.20022.8337
B21.63352.83371.2002
O31.20022.83374.0339
O42.83371.20024.0339

picture of Diboron dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 O4 180.000 B2 B1 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.404      
2 B 0.404      
3 O -0.404      
4 O -0.404      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.962 0.000 0.000
y 0.000 -19.962 0.000
z 0.000 0.000 -33.969
Traceless
 xyz
x 7.004 0.000 0.000
y 0.000 7.004 0.000
z 0.000 0.000 -14.007
Polar
3z2-r2-28.015
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 2.527 0.000 0.000
y 0.000 2.527 0.000
z 0.000 0.000 6.520


<r2> (average value of r2) Å2
<r2> 87.144
(<r2>)1/2 9.335