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

using model chemistry: PBEPBE/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 PBEPBE/6-311G**
 hartrees
Energy at 0K-51.945389
Energy at 298.15K-51.948243
HF Energy-51.945389
Nuclear repulsion energy24.663189
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 PBEPBE/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 2770 2745 0.01      
2 A1 2056 2038 15.76      
3 A1 1331 1319 2.28      
4 A1 1084 1074 2.04      
5 A1 706 699 4.10      
6 A2 1239 1227 0.00      
7 A2 658 652 0.00      
8 B1 2063 2044 39.93      
9 B1 771 764 1.40      
10 B2 2730 2705 27.17      
11 B2 1295 1284 157.87      
12 B2 529 524 29.77      

Unscaled Zero Point Vibrational Energy (zpe) 8615.1 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 8536.7 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 PBEPBE/6-311G**
ABC
6.58099 0.83627 0.80699

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.735 -0.119
B2 0.000 -0.735 -0.119
H3 0.904 0.000 0.581
H4 -0.904 0.000 0.581
H5 0.000 1.909 0.013
H6 0.000 -1.909 0.013

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47021.35921.35921.18132.6473
B21.47021.35921.35922.64731.1813
H31.35921.35921.80762.18702.1870
H41.35921.35921.80762.18702.1870
H51.18132.64732.18702.18703.8178
H62.64731.18132.18702.18703.8178

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 57.259 B1 B2 H4 57.259
B1 B2 H6 173.569 B1 H3 B2 65.483
B1 H4 B2 65.483 B2 B1 H3 57.259
B2 B1 H4 57.259 B2 B1 H5 173.569
H3 B1 H4 83.359 H3 B1 H5 118.669
H3 B2 H4 83.359 H3 B2 H6 118.669
H4 B1 H5 118.669 H4 B2 H6 118.669
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.131      
2 B -0.131      
3 H 0.127      
4 H 0.127      
5 H 0.003      
6 H 0.003      


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 1.035 1.035
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.068 0.000 0.000
y 0.000 -14.176 0.000
z 0.000 0.000 -16.662
Traceless
 xyz
x 1.352 0.000 0.000
y 0.000 1.188 0.000
z 0.000 0.000 -2.540
Polar
3z2-r2-5.080
x2-y20.109
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.897 0.000 0.000
y 0.000 6.151 0.000
z 0.000 0.000 3.610


<r2> (average value of r2) Å2
<r2> 24.492
(<r2>)1/2 4.949