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All results from a given calculation for HBBH (Diborane(2))

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 3ΣG
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-50.756603
Energy at 298.15K-50.756663
HF Energy-50.756603
Nuclear repulsion energy15.388913
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 wB97X-D/6-311G**
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 2817 2695 0.00      
2 Σg 1275 1219 0.00      
3 Σu 2776 2655 31.24      
4 Πg 587 561 0.00      
4 Πg 587 561 0.00      
5 Πu 614 587 0.69      
5 Πu 614 587 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 4634.0 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 4432.4 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 wB97X-D/6-311G**
B
0.84288

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.753
B2 0.000 0.000 -0.753
H3 0.000 0.000 1.930
H4 0.000 0.000 -1.930

Atom - Atom Distances (Å)
  B1 B2 H3 H4
B11.50661.17642.6830
B21.50662.68301.1764
H31.17642.68303.8593
H42.68301.17643.8593

picture of Diborane(2) state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 H4 180.000 B2 B1 H3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.006      
2 B -0.006      
3 H 0.006      
4 H 0.006      


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 -13.999 0.000 0.000
y 0.000 -13.999 0.000
z 0.000 0.000 -12.364
Traceless
 xyz
x -0.818 0.000 0.000
y 0.000 -0.818 0.000
z 0.000 0.000 1.635
Polar
3z2-r23.271
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 2.723 0.000 0.000
y 0.000 2.723 0.000
z 0.000 0.000 7.088


<r2> (average value of r2) Å2
<r2> 21.525
(<r2>)1/2 4.639