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All results from a given calculation for HBHHBH (Diborane(4) C2V)

using model chemistry: TPSSh/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/6-311G*
 hartrees
Energy at 0K-52.052897
Energy at 298.15K-52.055773
HF Energy-52.052897
Nuclear repulsion energy24.723375
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 TPSSh/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2825 2721 0.04      
2 A1 2089 2012 26.91      
3 A1 1352 1302 3.42      
4 A1 1168 1125 6.32      
5 A1 741 714 2.75      
6 A2 1243 1197 0.00      
7 A2 631 607 0.00      
8 B1 2086 2009 67.53      
9 B1 804 775 2.18      
10 B2 2784 2682 44.50      
11 B2 1313 1264 198.43      
12 B2 534 514 41.44      

Unscaled Zero Point Vibrational Energy (zpe) 8784.3 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 8461.1 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 TPSSh/6-311G*
ABC
6.56405 0.84080 0.81256

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.733 -0.120
B2 0.000 -0.733 -0.120
H3 0.900 0.000 0.588
H4 -0.900 0.000 0.588
H5 0.000 1.900 0.011
H6 0.000 -1.900 0.011

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46651.35981.35981.17392.6363
B21.46651.35981.35982.63631.1739
H31.35981.35981.79992.17992.1799
H41.35981.35981.79992.17992.1799
H51.17392.63632.17992.17993.7996
H62.63631.17392.17992.17993.7996

picture of Diborane(4) C2V state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 H3 57.368 B1 B2 H4 57.368
B1 B2 H6 173.585 B1 H3 B2 65.263
B1 H4 B2 65.263 B2 B1 H3 57.368
B2 B1 H4 57.368 B2 B1 H5 173.585
H3 B1 H4 82.878 H3 B1 H5 118.534
H3 B2 H4 82.878 H3 B2 H6 118.534
H4 B1 H5 118.534 H4 B2 H6 118.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.228      
2 B -0.228      
3 H 0.203      
4 H 0.203      
5 H 0.025      
6 H 0.025      


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 0.969 0.969
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.769 0.000 0.000
y 0.000 5.921 0.000
z 0.000 0.000 3.496


<r2> (average value of r2) Å2
<r2> 24.355
(<r2>)1/2 4.935