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

using model chemistry: wB97X-D/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-50.759661
Energy at 298.15K-50.759717
HF Energy-50.759661
Nuclear repulsion energy15.403946
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/6-311+G(3df,2p)
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 2815 2815 0.00      
2 Σg 1273 1273 0.00      
3 Σu 2774 2774 31.35      
4 Πg 586 586 0.00      
4 Πg 586 586 0.00      
5 Πu 612 612 0.11      
5 Πu 612 612 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 4628.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4628.6 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 wB97X-D/6-311+G(3df,2p)
B
0.84443

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311+G(3df,2p)

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 1.928
H4 0.000 0.000 -1.928

Atom - Atom Distances (Å)
  B1 B2 H3 H4
B11.50541.17492.6802
B21.50542.68021.1749
H31.17492.68023.8551
H42.68021.17493.8551

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/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.237      
2 B -0.237      
3 H 0.237      
4 H 0.237      


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 -14.081 0.000 0.000
y 0.000 -14.081 0.000
z 0.000 0.000 -12.269
Traceless
 xyz
x -0.906 0.000 0.000
y 0.000 -0.906 0.000
z 0.000 0.000 1.812
Polar
3z2-r23.623
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 4.268 0.000 0.000
y 0.000 4.268 0.000
z 0.000 0.000 7.159


<r2> (average value of r2) Å2
<r2> 21.514
(<r2>)1/2 4.638