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

using model chemistry: B97D3/cc-pVTZ

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 B97D3/cc-pVTZ
 hartrees
Energy at 0K-50.752211
Energy at 298.15K-50.752212
HF Energy-50.752211
Nuclear repulsion energy15.311128
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 B97D3/cc-pVTZ
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 2768 2729 0.00      
2 Σg 1232 1215 0.00      
3 Σu 2727 2689 36.66      
4 Πg 563 555 0.00      
4 Πg 563 555 0.00      
5 Πu 589 581 0.43      
5 Πu 589 581 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 4515.3 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 4452.1 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 B97D3/cc-pVTZ
B
0.83369

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.758
B2 0.000 0.000 -0.758
H3 0.000 0.000 1.938
H4 0.000 0.000 -1.938

Atom - Atom Distances (Å)
  B1 B2 H3 H4
B11.51601.17992.6959
B21.51602.69591.1799
H31.17992.69593.8757
H42.69591.17993.8757

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 B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.017      
2 B -0.017      
3 H 0.017      
4 H 0.017      


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 -13.846 0.000 0.000
y 0.000 -13.846 0.000
z 0.000 0.000 -12.519
Traceless
 xyz
x -0.663 0.000 0.000
y 0.000 -0.663 0.000
z 0.000 0.000 1.326
Polar
3z2-r22.653
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 3.497 0.000 0.000
y 0.000 3.497 0.000
z 0.000 0.000 7.058


<r2> (average value of r2) Å2
<r2> 21.628
(<r2>)1/2 4.651