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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-53.251528
Energy at 298.15K-53.257319
HF Energy-53.251528
Nuclear repulsion energy31.805644
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 B97D3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 2593 2542 0.00 220.79 0.12 0.22
2 Ag 2149 2107 0.00 73.58 0.10 0.19
3 Ag 1177 1154 0.00 15.28 0.72 0.84
4 Ag 774 759 0.00 16.22 0.22 0.36
5 Au 830 814 0.00 0.00 0.00 0.00
6 B1g 2671 2618 0.00 108.75 0.75 0.86
7 B1g 924 906 0.00 2.30 0.75 0.86
8 B1u 2003 1964 17.32 0.00 0.00 0.00
9 B1u 978 959 19.12 0.00 0.00 0.00
10 B2g 1837 1801 0.00 4.54 0.75 0.86
11 B2g 874 857 0.00 4.41 0.75 0.86
12 B2u 2685 2632 195.98 0.00 0.00 0.00
13 B2u 934 916 0.74 0.00 0.00 0.00
14 B2u 326 319 13.14 0.00 0.00 0.00
15 B3g 1014 994 0.00 36.77 0.75 0.86
16 B3u 2580 2530 158.23 0.00 0.00 0.00
17 B3u 1682 1649 422.93 0.00 0.00 0.00
18 B3u 1173 1150 78.35 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13601.6 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 13335.0 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 B97D3/6-31G*
ABC
2.63741 0.59881 0.55017

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.891 0.000 0.000
B2 -0.891 0.000 0.000
H3 0.000 0.000 0.984
H4 0.000 0.000 -0.984
H5 1.470 1.049 0.000
H6 1.470 -1.049 0.000
H7 -1.470 1.049 0.000
H8 -1.470 -1.049 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.78261.32761.32761.19841.19842.58382.5838
B21.78261.32761.32762.58382.58381.19841.1984
H31.32761.32761.96792.05662.05662.05662.0566
H41.32761.32761.96792.05662.05662.05662.0566
H51.19842.58382.05662.05662.09902.93953.6120
H61.19842.58382.05662.05662.09903.61202.9395
H72.58381.19842.05662.05662.93953.61202.0990
H82.58381.19842.05662.05663.61202.93952.0990

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.342 B1 H4 B2 84.342
H3 B1 H4 95.658 H3 B1 H5 108.909
H3 B1 H6 108.909 H3 B2 H4 95.658
H3 B2 H7 108.909 H3 B2 H8 108.909
H4 B1 H5 108.909 H4 B1 H6 108.909
H4 B2 H7 108.909 H4 B2 H8 108.909
H5 B1 H6 122.275 H7 B2 H8 122.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.117      
2 B -0.117      
3 H 0.094      
4 H 0.094      
5 H 0.012      
6 H 0.012      
7 H 0.012      
8 H 0.012      


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 -18.503 0.000 0.000
y 0.000 -17.487 0.000
z 0.000 0.000 -14.621
Traceless
 xyz
x -2.449 0.000 0.000
y 0.000 -0.925 0.000
z 0.000 0.000 3.374
Polar
3z2-r26.748
x2-y2-1.016
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.507 0.000 0.000
y 0.000 4.059 0.000
z 0.000 0.000 3.194


<r2> (average value of r2) Å2
<r2> 33.464
(<r2>)1/2 5.785