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

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

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 BLYP/6-31+G**
 hartrees
Energy at 0K-200.219955
Energy at 298.15K-200.218983
Nuclear repulsion energy65.921716
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 BLYP/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 Σg 2032 2021 0.00      
2 Σg 601 598 0.00      
3 Σu 1869 1859 132.47      
4 Πg 487 485 0.00      
4 Πg 487 485 0.00      
5 Πu 207 206 52.98      
5 Πu 207 206 52.98      

Unscaled Zero Point Vibrational Energy (zpe) 2945.1 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 2929.5 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 BLYP/6-31+G**
B
0.11406

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.820
B2 0.000 0.000 -0.820
O3 0.000 0.000 2.039
O4 0.000 0.000 -2.039

Atom - Atom Distances (Å)
  B1 B2 O3 O4
B11.64091.21842.8592
B21.64092.85921.2184
O31.21842.85924.0776
O42.85921.21844.0776

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.632      
2 B 0.632      
3 O -0.632      
4 O -0.632      


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 -20.240 0.000 0.000
y 0.000 -20.240 0.000
z 0.000 0.000 -33.774
Traceless
 xyz
x 6.767 0.000 0.000
y 0.000 6.767 0.000
z 0.000 0.000 -13.535
Polar
3z2-r2-27.069
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 88.696
(<r2>)1/2 9.418