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

using model chemistry: HSEh1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-51.955287
Energy at 298.15K-51.958192
HF Energy-51.955287
Nuclear repulsion energy24.775359
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 HSEh1PBE/6-31G**
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 2850 2719 0.17      
2 A1 2133 2036 20.88      
3 A1 1379 1316 2.95      
4 A1 1138 1086 2.46      
5 A1 735 701 0.79      
6 A2 1288 1229 0.00      
7 A2 674 643 0.00      
8 B1 2149 2051 65.47      
9 B1 803 766 2.39      
10 B2 2810 2682 35.25      
11 B2 1358 1296 188.96      
12 B2 546 521 34.38      

Unscaled Zero Point Vibrational Energy (zpe) 8931.4 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 8523.2 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 HSEh1PBE/6-31G**
ABC
6.67222 0.84314 0.81331

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.732 -0.118
B2 0.000 -0.732 -0.118
H3 0.899 0.000 0.574
H4 -0.899 0.000 0.574
H5 0.000 1.902 0.018
H6 0.000 -1.902 0.018

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46451.35061.35061.17762.6377
B21.46451.35061.35062.63771.1776
H31.35061.35061.79852.17612.1761
H41.35061.35061.79852.17612.1761
H51.17762.63772.17612.17613.8039
H62.63771.17762.17612.17613.8039

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 57.170 B1 B2 H4 57.170
B1 B2 H6 173.359 B1 H3 B2 65.659
B1 H4 B2 65.659 B2 B1 H3 57.170
B2 B1 H4 57.170 B2 B1 H5 173.359
H3 B1 H4 83.487 H3 B1 H5 118.634
H3 B2 H4 83.487 H3 B2 H6 118.634
H4 B1 H5 118.634 H4 B2 H6 118.634
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.103      
2 B -0.103      
3 H 0.068      
4 H 0.068      
5 H 0.035      
6 H 0.035      


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 1.049 1.049
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.573 0.000 0.000
y 0.000 -13.863 0.000
z 0.000 0.000 -15.966
Traceless
 xyz
x 1.341 0.000 0.000
y 0.000 0.906 0.000
z 0.000 0.000 -2.247
Polar
3z2-r2-4.494
x2-y20.290
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.272 0.000 0.000
y 0.000 5.588 0.000
z 0.000 0.000 2.784


<r2> (average value of r2) Å2
<r2> 24.050
(<r2>)1/2 4.904