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All results from a given calculation for B2H6 (Diborane)

using model chemistry: wB97X-D/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 wB97X-D/6-31G**
 hartrees
Energy at 0K-53.269918
Energy at 298.15K-53.275803
HF Energy-53.269918
Nuclear repulsion energy32.053218
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 wB97X-D/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 Ag 2632 2632 0.00 205.92 0.13 0.22
2 Ag 2204 2204 0.00 79.63 0.09 0.16
3 Ag 1211 1211 0.00 14.28 0.73 0.85
4 Ag 817 817 0.00 17.55 0.22 0.36
5 Au 855 855 0.00 0.00 0.70 0.82
6 B1g 2712 2712 0.00 97.73 0.75 0.86
7 B1g 945 945 0.00 1.91 0.75 0.86
8 B1u 2040 2040 16.05 0.00 0.00 0.00
9 B1u 995 995 18.54 0.00 0.00 0.00
10 B2g 1891 1891 0.00 4.65 0.75 0.86
11 B2g 906 906 0.00 4.96 0.75 0.86
12 B2u 2725 2725 175.25 0.00 0.00 0.00
13 B2u 960 960 0.73 0.00 0.75 0.86
14 B2u 350 350 14.00 0.00 0.00 0.00
15 B3g 1046 1046 0.00 37.99 0.75 0.86
16 B3u 2617 2617 151.98 0.00 0.00 0.00
17 B3u 1725 1725 461.09 0.00 0.00 0.00
18 B3u 1205 1205 65.56 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13918.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13918.0 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 wB97X-D/6-31G**
ABC
2.67144 0.61018 0.56064

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.881 0.000 0.000
B2 -0.881 0.000 0.000
H3 0.000 0.000 0.980
H4 0.000 0.000 -0.980
H5 1.461 1.042 0.000
H6 1.461 -1.042 0.000
H7 -1.461 1.042 0.000
H8 -1.461 -1.042 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.76211.31761.31761.19221.19222.56302.5630
B21.76211.31761.31762.56302.56301.19221.1922
H31.31761.31761.95942.04412.04412.04412.0441
H41.31761.31761.95942.04412.04412.04412.0441
H51.19222.56302.04412.04412.08372.92123.5882
H61.19222.56302.04412.04412.08373.58822.9212
H72.56301.19222.04412.04412.92123.58822.0837
H82.56301.19222.04412.04413.58822.92122.0837

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.933 B1 H4 B2 83.933
H3 B1 H4 96.067 H3 B1 H5 108.969
H3 B1 H6 108.969 H3 B2 H4 96.067
H3 B2 H7 108.969 H3 B2 H8 108.969
H4 B1 H5 108.969 H4 B1 H6 108.969
H4 B2 H7 108.969 H4 B2 H8 108.969
H5 B1 H6 121.832 H7 B2 H8 121.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.022      
2 B -0.022      
3 H 0.046      
4 H 0.046      
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 -18.444 0.000 0.000
y 0.000 -17.478 0.000
z 0.000 0.000 -14.620
Traceless
 xyz
x -2.395 0.000 0.000
y 0.000 -0.945 0.000
z 0.000 0.000 3.340
Polar
3z2-r26.681
x2-y2-0.967
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.403 0.000 0.000
y 0.000 4.048 0.000
z 0.000 0.000 3.191


<r2> (average value of r2) Å2
<r2> 33.080
(<r2>)1/2 5.752