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

using model chemistry: M06-2X/daug-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 M06-2X/daug-cc-pVTZ
 hartrees
Energy at 0K-50.760432
Energy at 298.15K-50.760433
HF Energy-50.760432
Nuclear repulsion energy15.428695
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 M06-2X/daug-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 2858 2858 0.00      
2 Σg 1280 1280 0.00      
3 Σu 2818 2818 24.38      
4 Πg 562 562 0.00      
4 Πg 562 562 0.00      
5 Πu 595 595 0.83      
5 Πu 595 595 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 4635.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4635.0 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 M06-2X/daug-cc-pVTZ
B
0.84657

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/daug-cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.752
B2 0.000 0.000 -0.752
H3 0.000 0.000 1.923
H4 0.000 0.000 -1.923

Atom - Atom Distances (Å)
  B1 B2 H3 H4
B11.50441.17092.6753
B21.50442.67531.1709
H31.17092.67533.8463
H42.67531.17093.8463

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 M06-2X/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.204      
2 B 0.204      
3 H -0.204      
4 H -0.204      


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 -14.077 0.000 0.000
y 0.000 -14.077 0.000
z 0.000 0.000 -12.458
Traceless
 xyz
x -0.810 0.000 0.000
y 0.000 -0.810 0.000
z 0.000 0.000 1.619
Polar
3z2-r23.238
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 4.314 0.000 0.000
y 0.000 4.314 0.000
z 0.000 0.000 7.128


<r2> (average value of r2) Å2
<r2> 21.510
(<r2>)1/2 4.638