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All results from a given calculation for B2H6 (Diborane)

using model chemistry: wB97X-D/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-53.289634
Energy at 298.15K-53.295520
HF Energy-53.289634
Nuclear repulsion energy32.148226
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/aug-cc-pVQZ
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 2611 2611 0.00 303.15 0.06 0.12
2 Ag 2182 2182 0.00 85.57 0.05 0.09
3 Ag 1204 1204 0.00 5.72 0.67 0.80
4 Ag 812 812 0.00 19.55 0.14 0.25
5 Au 852 852 0.00 0.00 0.12 0.21
6 B1g 2686 2686 0.00 110.18 0.75 0.86
7 B1g 938 938 0.00 0.45 0.75 0.86
8 B1u 2025 2025 6.73 0.00 0.00 0.00
9 B1u 988 988 22.18 0.00 0.75 0.86
10 B2g 1881 1881 0.00 2.99 0.75 0.86
11 B2g 905 905 0.00 0.06 0.75 0.86
12 B2u 2700 2700 173.81 0.00 0.00 0.00
13 B2u 948 948 0.29 0.00 0.16 0.00
14 B2u 350 350 17.25 0.00 0.00 0.00
15 B3g 1029 1029 0.00 5.44 0.75 0.86
16 B3u 2595 2595 148.07 0.00 0.00 0.00
17 B3u 1709 1709 465.94 0.00 0.00 0.00
18 B3u 1196 1196 64.57 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13805.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13805.0 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/aug-cc-pVQZ
ABC
2.68354 0.61456 0.56490

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVQZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.877 0.000 0.000
B2 -0.877 0.000 0.000
H3 0.000 0.000 0.980
H4 0.000 0.000 -0.980
H5 1.456 1.038 0.000
H6 1.456 -1.038 0.000
H7 -1.456 1.038 0.000
H8 -1.456 -1.038 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75471.31531.31531.18871.18872.55402.5540
B21.75471.31531.31532.55402.55401.18871.1887
H31.31531.31531.95982.03922.03922.03922.0392
H41.31531.31531.95982.03922.03922.03922.0392
H51.18872.55402.03922.03922.07672.91213.5768
H61.18872.55402.03922.03922.07673.57682.9121
H72.55401.18872.03922.03922.91213.57682.0767
H82.55401.18872.03922.03923.57682.91212.0767

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.678 B1 H4 B2 83.678
H3 B1 H4 96.322 H3 B1 H5 108.950
H3 B1 H6 108.950 H3 B2 H4 96.322
H3 B2 H7 108.950 H3 B2 H8 108.950
H4 B1 H5 108.950 H4 B1 H6 108.950
H4 B2 H7 108.950 H4 B2 H8 108.950
H5 B1 H6 121.734 H7 B2 H8 121.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 1.008      
2 B 1.008      
3 H -0.226      
4 H -0.226      
5 H -0.391      
6 H -0.391      
7 H -0.391      
8 H -0.391      


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 -18.794 0.000 0.000
y 0.000 -17.858 0.000
z 0.000 0.000 -14.792
Traceless
 xyz
x -2.468 0.000 0.000
y 0.000 -1.066 0.000
z 0.000 0.000 3.534
Polar
3z2-r27.068
x2-y2-0.935
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.939 0.000 0.000
y 0.000 4.858 0.000
z 0.000 0.000 4.208


<r2> (average value of r2) Å2
<r2> 33.121
(<r2>)1/2 5.755