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

using model chemistry: B3LYPultrafine/Def2TZVPP

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 B3LYPultrafine/Def2TZVPP
 hartrees
Energy at 0K-50.790194
Energy at 298.15K-50.790241
HF Energy-50.790194
Nuclear repulsion energy15.415062
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 B3LYPultrafine/Def2TZVPP
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 2830 2830 0.00      
2 Σg 1263 1263 0.00      
3 Σu 2791 2791 26.40      
4 Πg 583 583 0.00      
4 Πg 583 583 0.00      
5 Πu 610 610 0.10      
5 Πu 610 610 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 4635.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4635.3 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 B3LYPultrafine/Def2TZVPP
B
0.84483

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/Def2TZVPP

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 1.924
H4 0.000 0.000 -1.924

Atom - Atom Distances (Å)
  B1 B2 H3 H4
B11.50631.17112.6775
B21.50632.67751.1711
H31.17112.67753.8486
H42.67751.17113.8486

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 B3LYPultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.106      
2 B -0.106      
3 H 0.106      
4 H 0.106      


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 -14.109 0.000 0.000
y 0.000 -14.109 0.000
z 0.000 0.000 -12.590
Traceless
 xyz
x -0.759 0.000 0.000
y 0.000 -0.759 0.000
z 0.000 0.000 1.519
Polar
3z2-r23.038
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 3.703 0.000 0.000
y 0.000 3.703 0.000
z 0.000 0.000 7.163


<r2> (average value of r2) Å2
<r2> 21.574
(<r2>)1/2 4.645