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

using model chemistry: B97D3/6-311G*

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 B97D3/6-311G*
 hartrees
Energy at 0K-50.744761
Energy at 298.15K-50.744791
HF Energy-50.744761
Nuclear repulsion energy15.290593
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 B97D3/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σg 2757 2757 0.00      
2 Σg 1232 1232 0.00      
3 Σu 2715 2715 40.84      
4 Πg 586 586 0.00      
4 Πg 586 586 0.00      
5 Πu 597 597 0.93      
5 Πu 597 597 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 4535.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4535.1 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 B97D3/6-311G*
B
0.83178

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.759
B2 0.000 0.000 -0.759
H3 0.000 0.000 1.941
H4 0.000 0.000 -1.941

Atom - Atom Distances (Å)
  B1 B2 H3 H4
B11.51721.18262.6998
B21.51722.69981.1826
H31.18262.69983.8824
H42.69981.18263.8824

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 B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.010      
2 B -0.010      
3 H 0.010      
4 H 0.010      


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 -13.930 0.000 0.000
y 0.000 -13.930 0.000
z 0.000 0.000 -12.518
Traceless
 xyz
x -0.706 0.000 0.000
y 0.000 -0.706 0.000
z 0.000 0.000 1.412
Polar
3z2-r22.823
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 2.729 0.000 0.000
y 0.000 2.729 0.000
z 0.000 0.000 6.996


<r2> (average value of r2) Å2
<r2> 21.698
(<r2>)1/2 4.658