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

using model chemistry: HSEh1PBE/STO-3G

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 HSEh1PBE/STO-3G
 hartrees
Energy at 0K-50.037981
Energy at 298.15K-50.037930
HF Energy-50.037981
Nuclear repulsion energy15.782839
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 HSEh1PBE/STO-3G
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 3193 2820 0.00      
2 Σg 1468 1296 0.00      
3 Σu 3134 2767 23.15      
4 Πg 592 522 0.00      
4 Πg 592 522 0.00      
5 Πu 644 569 23.72      
5 Πu 644 569 23.72      

Unscaled Zero Point Vibrational Energy (zpe) 5132.7 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 4532.7 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 HSEh1PBE/STO-3G
B
0.89070

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.730
B2 0.000 0.000 -0.730
H3 0.000 0.000 1.891
H4 0.000 0.000 -1.891

Atom - Atom Distances (Å)
  B1 B2 H3 H4
B11.45911.16132.6204
B21.45912.62041.1613
H31.16132.62043.7817
H42.62041.16133.7817

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 HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.030      
2 B 0.030      
3 H -0.030      
4 H -0.030      


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 -11.097 0.000 0.000
y 0.000 -11.097 0.000
z 0.000 0.000 -12.091
Traceless
 xyz
x 0.497 0.000 0.000
y 0.000 0.497 0.000
z 0.000 0.000 -0.993
Polar
3z2-r2-1.987
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 1.017 0.000 0.000
y 0.000 1.017 0.000
z 0.000 0.000 3.517


<r2> (average value of r2) Å2
<r2> 19.611
(<r2>)1/2 4.428