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

using model chemistry: wB97X-D/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/CEP-31G
 hartrees
Energy at 0K-7.878363
Energy at 298.15K-7.880676
HF Energy-7.878363
Nuclear repulsion energy 
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 wB97X-D/CEP-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2862 2862 0.30      
2 A1 1898 1898 92.46      
3 A1 1370 1370 1.02      
4 A1 1131 1131 20.49      
5 A1 735 735 14.72      
6 A2 1108 1108 0.00      
7 A2 220 220 0.00      
8 B1 1946 1946 169.41      
9 B1 797 797 1.56      
10 B2 2813 2813 26.11      
11 B2 1187 1187 210.26      
12 B2 374 374 143.05      

Unscaled Zero Point Vibrational Energy (zpe) 8219.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8219.0 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 wB97X-D/CEP-31G
ABC
6.10945 0.79283 0.76547

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.760 -0.120
B2 0.000 -0.760 -0.120
H3 0.934 0.000 0.615
H4 -0.934 0.000 0.615
H5 0.000 1.935 -0.017
H6 0.000 -1.935 -0.017

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.52001.41081.41081.17922.6967
B21.52001.41081.41082.69671.1792
H31.41081.41081.86872.23962.2396
H41.41081.41081.86872.23962.2396
H51.17922.69672.23962.23963.8695
H62.69671.17922.23962.23963.8695

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 57.404 B1 B2 H4 57.404
B1 B2 H6 175.012 B1 H3 B2 65.193
B1 H4 B2 65.193 B2 B1 H3 57.404
B2 B1 H4 57.404 B2 B1 H5 175.012
H3 B1 H4 82.951 H3 B1 H5 119.433
H3 B2 H4 82.951 H3 B2 H6 119.433
H4 B1 H5 119.433 H4 B2 H6 119.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.268      
2 B -0.268      
3 H 0.057      
4 H 0.057      
5 H 0.211      
6 H 0.211      


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 1.164 1.164
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.035 0.000 0.000
y 0.000 -13.653 0.000
z 0.000 0.000 -16.649
Traceless
 xyz
x 1.116 0.000 0.000
y 0.000 1.689 0.000
z 0.000 0.000 -2.805
Polar
3z2-r2-5.610
x2-y2-0.382
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.102 0.000 0.000
y 0.000 5.996 0.000
z 0.000 0.000 3.078


<r2> (average value of r2) Å2
<r2> 22.771
(<r2>)1/2 4.772