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

using model chemistry: BLYP/3-21G

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/3-21G
 hartrees
Energy at 0K-199.116954
Energy at 298.15K-199.116221
Nuclear repulsion energy65.416615
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/3-21G
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 2015 2004 0.00      
2 Σg 626 622 0.00      
3 Σu 1823 1813 37.35      
4 Πg 570 567 0.00      
4 Πg 570 567 0.00      
5 Πu 244 243 24.43      
5 Πu 244 243 24.43      

Unscaled Zero Point Vibrational Energy (zpe) 3045.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 3028.6 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/3-21G
B
0.11375

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.803
B2 0.000 0.000 -0.803
O3 0.000 0.000 2.047
O4 0.000 0.000 -2.047

Atom - Atom Distances (Å)
  B1 B2 O3 O4
B11.60681.24312.8500
B21.60682.85001.2431
O31.24312.85004.0931
O42.85001.24314.0931

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/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.226      
2 B 0.226      
3 O -0.226      
4 O -0.226      


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 -20.126 0.000 0.000
y 0.000 -20.126 0.000
z 0.000 0.000 -31.132
Traceless
 xyz
x 5.503 0.000 0.000
y 0.000 5.503 0.000
z 0.000 0.000 -11.006
Polar
3z2-r2-22.012
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> 88.330
(<r2>)1/2 9.398