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

using model chemistry: TPSSh/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-52.070184
Energy at 298.15K-52.073096
HF Energy-52.070184
Nuclear repulsion energy24.837629
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/aug-cc-pVQZ
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 2833 2833 0.06      
2 A1 2114 2114 19.27      
3 A1 1349 1349 3.37      
4 A1 1129 1129 2.65      
5 A1 743 743 4.64      
6 A2 1293 1293 0.00      
7 A2 661 661 0.00      
8 B1 2108 2108 50.58      
9 B1 805 805 1.40      
10 B2 2795 2795 37.58      
11 B2 1365 1365 189.73      
12 B2 548 548 30.38      

Unscaled Zero Point Vibrational Energy (zpe) 8871.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8871.1 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/aug-cc-pVQZ
ABC
6.71410 0.84683 0.81669

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.731 -0.116
B2 0.000 -0.731 -0.116
H3 0.897 0.000 0.574
H4 -0.897 0.000 0.574
H5 0.000 1.896 0.007
H6 0.000 -1.896 0.007

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46241.34771.34771.17122.6301
B21.46241.34771.34772.63011.1712
H31.34771.34771.79452.17302.1730
H41.34771.34771.79452.17302.1730
H51.17122.63012.17302.17303.7920
H62.63011.17122.17302.17303.7920

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 57.143 B1 B2 H4 57.143
B1 B2 H6 173.979 B1 H3 B2 65.715
B1 H4 B2 65.715 B2 B1 H3 57.143
B2 B1 H4 57.143 B2 B1 H5 173.979
H3 B1 H4 83.479 H3 B1 H5 119.067
H3 B2 H4 83.479 H3 B2 H6 119.067
H4 B1 H5 119.067 H4 B2 H6 119.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.430      
2 B 0.430      
3 H -0.003      
4 H -0.003      
5 H -0.427      
6 H -0.427      


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 0.819 0.819
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 4.273 0.000 0.000
y 0.000 6.052 0.000
z 0.000 0.000 4.688


<r2> (average value of r2) Å2
<r2> 24.200
(<r2>)1/2 4.919