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All results from a given calculation for B2H6 (Diborane)

using model chemistry: wB97X-D/SDD

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/SDD
 hartrees
Energy at 0K-53.238092
Energy at 298.15K-53.243933
HF Energy-53.238092
Nuclear repulsion energy31.684380
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/SDD
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 2646 2646 0.00 208.69 0.11 0.20
2 Ag 2107 2107 0.00 77.19 0.12 0.22
3 Ag 1154 1154 0.00 21.79 0.75 0.86
4 Ag 786 786 0.00 24.08 0.31 0.47
5 Au 848 848 0.00 0.00 0.00 0.00
6 B1g 2746 2746 0.00 84.09 0.75 0.86
7 B1g 929 929 0.00 10.14 0.75 0.86
8 B1u 1945 1945 22.98 0.00 0.00 0.00
9 B1u 1005 1005 0.24 0.00 0.75 0.86
10 B2g 1799 1799 0.00 7.62 0.75 0.86
11 B2g 891 891 0.00 0.03 0.75 0.86
12 B2u 2760 2760 198.03 0.00 0.00 0.00
13 B2u 937 937 1.44 0.00 0.00 0.00
14 B2u 349 349 14.13 0.00 0.00 0.00
15 B3g 1042 1042 0.00 29.68 0.75 0.86
16 B3u 2628 2628 160.76 0.00 0.00 0.00
17 B3u 1651 1651 707.77 0.00 0.00 0.00
18 B3u 1154 1154 50.93 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13688.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13688.5 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/SDD
ABC
2.64627 0.58851 0.54282

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.902 0.000 0.000
B2 -0.902 0.000 0.000
H3 0.000 0.000 0.991
H4 0.000 0.000 -0.991
H5 1.474 1.044 0.000
H6 1.474 -1.044 0.000
H7 -1.474 1.044 0.000
H8 -1.474 -1.044 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.80331.33981.33981.19051.19052.59522.5952
B21.80331.33981.33982.59522.59521.19051.1905
H31.33981.33981.98192.06042.06042.06042.0604
H41.33981.33981.98192.06042.06042.06042.0604
H51.19052.59522.06042.06042.08732.94883.6128
H61.19052.59522.06042.06042.08733.61282.9488
H72.59521.19052.06042.06042.94883.61282.0873
H82.59521.19052.06042.06043.61282.94882.0873

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.597 B1 H4 B2 84.597
H3 B1 H4 95.403 H3 B1 H5 108.892
H3 B1 H6 108.892 H3 B2 H4 95.403
H3 B2 H7 108.892 H3 B2 H8 108.892
H4 B1 H5 108.892 H4 B1 H6 108.892
H4 B2 H7 108.892 H4 B2 H8 108.892
H5 B1 H6 122.485 H7 B2 H8 122.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.453      
2 B -0.453      
3 H 0.156      
4 H 0.156      
5 H 0.148      
6 H 0.148      
7 H 0.148      
8 H 0.148      


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 -18.661 0.000 0.000
y 0.000 -17.323 0.000
z 0.000 0.000 -15.106
Traceless
 xyz
x -2.446 0.000 0.000
y 0.000 -0.439 0.000
z 0.000 0.000 2.886
Polar
3z2-r25.771
x2-y2-1.338
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.995 0.000 0.000
y 0.000 3.455 0.000
z 0.000 0.000 2.894


<r2> (average value of r2) Å2
<r2> 33.783
(<r2>)1/2 5.812