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

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-52.008151
Energy at 298.15K-52.010603
HF Energy-52.008151
Nuclear repulsion energy24.401682
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 B3LYP/LANL2DZ
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 2888 2776 0.88      
2 A1 1961 1885 45.33      
3 A1 1345 1293 3.46      
4 A1 1138 1094 2.46      
5 A1 730 702 10.31      
6 A2 1102 1059 0.00      
7 A2 324 312 0.00      
8 B1 1966 1890 110.72      
9 B1 813 781 1.37      
10 B2 2838 2728 29.12      
11 B2 1154 1109 186.11      
12 B2 382 368 142.14      

Unscaled Zero Point Vibrational Energy (zpe) 8321.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 7998.2 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 B3LYP/LANL2DZ
ABC
6.18891 0.82545 0.79443

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.742 -0.111
B2 0.000 -0.742 -0.111
H3 0.935 0.000 0.611
H4 -0.935 0.000 0.611
H5 0.000 1.909 -0.055
H6 0.000 -1.909 -0.055

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.48331.39471.39471.16912.6516
B21.48331.39471.39472.65161.1691
H31.39471.39471.86922.22762.2276
H41.39471.39471.86922.22762.2276
H51.16912.65162.22762.22763.8187
H62.65161.16912.22762.22763.8187

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 57.875 B1 B2 H4 57.875
B1 B2 H6 177.230 B1 H3 B2 64.250
B1 H4 B2 64.250 B2 B1 H3 57.875
B2 B1 H4 57.875 B2 B1 H5 177.230
H3 B1 H4 84.155 H3 B1 H5 120.405
H3 B2 H4 84.155 H3 B2 H6 120.405
H4 B1 H5 120.405 H4 B2 H6 120.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.330      
2 B -0.330      
3 H 0.143      
4 H 0.143      
5 H 0.186      
6 H 0.186      


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 1.306 1.306
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.107 0.000 0.000
y 0.000 -13.999 0.000
z 0.000 0.000 -16.851
Traceless
 xyz
x 1.318 0.000 0.000
y 0.000 1.480 0.000
z 0.000 0.000 -2.798
Polar
3z2-r2-5.596
x2-y2-0.108
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.065 0.000 0.000
y 0.000 5.844 0.000
z 0.000 0.000 2.921


<r2> (average value of r2) Å2
<r2> 24.774
(<r2>)1/2 4.977