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

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-200.197054
Energy at 298.15K-200.196130
Nuclear repulsion energy66.567754
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 mPW1PW91/aug-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 2133 2044 0.00      
2 Σg 617 591 0.00      
3 Σu 1950 1869 178.53      
4 Πg 496 475 0.00      
4 Πg 496 475 0.00      
5 Πu 211 202 60.43      
5 Πu 211 202 60.43      

Unscaled Zero Point Vibrational Energy (zpe) 3056.3 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 2928.8 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 mPW1PW91/aug-cc-pVDZ
B
0.11575

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.821
B2 0.000 0.000 -0.821
O3 0.000 0.000 2.022
O4 0.000 0.000 -2.022

Atom - Atom Distances (Å)
  B1 B2 O3 O4
B11.64181.20122.8429
B21.64182.84291.2012
O31.20122.84294.0441
O42.84291.20124.0441

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 mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.238      
2 B 0.238      
3 O -0.238      
4 O -0.238      


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 -19.927 0.000 0.000
y 0.000 -19.927 0.000
z 0.000 0.000 -33.579
Traceless
 xyz
x 6.826 0.000 0.000
y 0.000 6.826 0.000
z 0.000 0.000 -13.651
Polar
3z2-r2-27.303
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 3.273 0.000 0.000
y 0.000 3.273 0.000
z 0.000 0.000 6.593


<r2> (average value of r2) Å2
<r2> 87.446
(<r2>)1/2 9.351