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

using model chemistry: M06-2X/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 M06-2X/STO-3G
 hartrees
Energy at 0K-50.107926
Energy at 298.15K-50.107885
HF Energy-50.107926
Nuclear repulsion energy15.838336
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/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 3246 3246 0.00      
2 Σg 1461 1461 0.00      
3 Σu 3189 3189 21.49      
4 Πg 593 593 0.00      
4 Πg 593 593 0.00      
5 Πu 652 652 36.20      
5 Πu 652 652 36.20      

Unscaled Zero Point Vibrational Energy (zpe) 5192.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5192.9 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/STO-3G
B
0.89657

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.728
B2 0.000 0.000 -0.728
H3 0.000 0.000 1.883
H4 0.000 0.000 -1.883

Atom - Atom Distances (Å)
  B1 B2 H3 H4
B11.45501.15582.6108
B21.45502.61081.1558
H31.15582.61083.7665
H42.61081.15583.7665

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/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.042      
2 B 0.042      
3 H -0.042      
4 H -0.042      


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 -11.068 0.000 0.000
y 0.000 -11.068 0.000
z 0.000 0.000 -12.330
Traceless
 xyz
x 0.631 0.000 0.000
y 0.000 0.631 0.000
z 0.000 0.000 -1.262
Polar
3z2-r2-2.523
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 1.086 0.000 0.000
y 0.000 1.086 0.000
z 0.000 0.000 3.469


<r2> (average value of r2) Å2
<r2> 19.562
(<r2>)1/2 4.423