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All results from a given calculation for B2H4 (Diborane(4) D2d)

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 D2D 1A1
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-52.014629
Energy at 298.15K-52.016984
HF Energy-52.014629
Nuclear repulsion energy22.240886
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 2491 2491 0.00      
2 A1 1161 1161 0.00      
3 A1 855 855 0.00      
4 B1 561 561 0.00      
5 B2 2468 2468 69.58      
6 B2 1095 1095 1.34      
7 E 2531 2531 91.70      
7 E 2531 2531 91.70      
8 E 961 961 23.93      
8 E 961 961 23.93      
9 E 371 371 2.43      
9 E 371 371 2.43      

Unscaled Zero Point Vibrational Energy (zpe) 8178.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8178.6 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
4.01451 0.66149 0.66149

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.818
B2 0.000 0.000 -0.818
H3 0.000 1.021 1.466
H4 0.000 -1.021 1.466
H5 1.021 0.000 -1.466
H6 -1.021 0.000 -1.466

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.63551.20901.20902.50122.5012
B21.63552.50122.50121.20901.2090
H31.20902.50122.04123.26763.2676
H41.20902.50122.04123.26763.2676
H52.50121.20903.26763.26762.0412
H62.50121.20903.26763.26762.0412

picture of Diborane(4) D2d state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 H5 122.415 B1 B2 H6 122.415
B2 B1 H3 122.415 B2 B1 H4 122.415
H3 B1 H4 115.171 H5 B2 H6 115.171
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 -0.144      
2 B -0.144      
3 H 0.072      
4 H 0.072      
5 H 0.072      
6 H 0.072      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.771 0.000 0.000
y 0.000 -14.771 0.000
z 0.000 0.000 -16.697
Traceless
 xyz
x 0.963 0.000 0.000
y 0.000 0.963 0.000
z 0.000 0.000 -1.925
Polar
3z2-r2-3.851
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.762 0.000 0.000
y 0.000 3.762 0.000
z 0.000 0.000 6.182


<r2> (average value of r2) Å2
<r2> 29.074
(<r2>)1/2 5.392