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

using model chemistry: PBEPBE/cc-pVDZ

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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-200.021291
Energy at 298.15K-200.020373
Nuclear repulsion energy66.040135
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 PBEPBE/cc-pVDZ
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 2047 2036 0.00      
2 Σg 612 608 0.00      
3 Σu 1875 1864 94.81      
4 Πg 503 500 0.00      
4 Πg 503 500 0.00      
5 Πu 212 211 34.70      
5 Πu 212 211 34.70      

Unscaled Zero Point Vibrational Energy (zpe) 2982.6 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 2965.3 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 PBEPBE/cc-pVDZ
B
0.11444

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.819
B2 0.000 0.000 -0.819
O3 0.000 0.000 2.035
O4 0.000 0.000 -2.035

Atom - Atom Distances (Å)
  B1 B2 O3 O4
B11.63891.21592.8547
B21.63892.85471.2159
O31.21592.85474.0706
O42.85471.21594.0706

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 PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.072      
2 B -0.072      
3 O 0.072      
4 O 0.072      


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 -20.034 0.000 0.000
y 0.000 -20.034 0.000
z 0.000 0.000 -30.587
Traceless
 xyz
x 5.277 0.000 0.000
y 0.000 5.277 0.000
z 0.000 0.000 -10.553
Polar
3z2-r2-21.106
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 2.548 0.000 0.000
y 0.000 2.548 0.000
z 0.000 0.000 6.120


<r2> (average value of r2) Å2
<r2> 87.704
(<r2>)1/2 9.365