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

using model chemistry: B97D3/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-52.010140
Energy at 298.15K-52.012949
HF Energy-52.010140
Nuclear repulsion energy24.595055
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 B97D3/6-311G*
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 2761 2761 0.04      
2 A1 2038 2038 27.20      
3 A1 1327 1327 3.10      
4 A1 1144 1144 5.16      
5 A1 711 711 2.97      
6 A2 1178 1178 0.00      
7 A2 610 610 0.00      
8 B1 2036 2036 62.80      
9 B1 776 776 2.08      
10 B2 2720 2720 48.75      
11 B2 1263 1263 186.32      
12 B2 509 509 39.28      

Unscaled Zero Point Vibrational Energy (zpe) 8535.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8535.5 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 B97D3/6-311G*
ABC
6.49778 0.83185 0.80438

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.737 -0.121
B2 0.000 -0.737 -0.121
H3 0.903 0.000 0.592
H4 -0.903 0.000 0.592
H5 0.000 1.910 0.015
H6 0.000 -1.910 0.015

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47411.36661.36661.18082.6505
B21.47411.36661.36662.65051.1808
H31.36661.36661.80582.19022.1902
H41.36661.36661.80582.19022.1902
H51.18082.65052.19022.19023.8200
H62.65051.18082.19022.19023.8200

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 57.364 B1 B2 H4 57.364
B1 B2 H6 173.392 B1 H3 B2 65.272
B1 H4 B2 65.272 B2 B1 H3 57.364
B2 B1 H4 57.364 B2 B1 H5 173.392
H3 B1 H4 82.704 H3 B1 H5 118.401
H3 B2 H4 82.704 H3 B2 H6 118.401
H4 B1 H5 118.401 H4 B2 H6 118.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.211      
2 B -0.211      
3 H 0.197      
4 H 0.197      
5 H 0.013      
6 H 0.013      


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 0.963 0.963
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.142 0.000 0.000
y 0.000 -14.299 0.000
z 0.000 0.000 -16.688
Traceless
 xyz
x 1.351 0.000 0.000
y 0.000 1.116 0.000
z 0.000 0.000 -2.467
Polar
3z2-r2-4.934
x2-y20.156
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.890 0.000 0.000
y 0.000 6.127 0.000
z 0.000 0.000 3.615


<r2> (average value of r2) Å2
<r2> 24.604
(<r2>)1/2 4.960