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All results from a given calculation for B2H6 (Diborane)

using model chemistry: wB97X-D/6-311G**

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/6-311G**
 hartrees
Energy at 0K-53.278400
Energy at 298.15K-53.284281
HF Energy-53.278400
Nuclear repulsion energy32.060524
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/6-311G**
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 2607 2493 0.00 258.08 0.12 0.21
2 Ag 2174 2079 0.00 82.61 0.06 0.12
3 Ag 1200 1148 0.00 9.90 0.71 0.83
4 Ag 810 775 0.00 19.76 0.18 0.30
5 Au 851 814 0.00 0.00 0.00 0.00
6 B1g 2685 2568 0.00 115.10 0.75 0.86
7 B1g 936 895 0.00 0.76 0.75 0.86
8 B1u 2015 1927 7.29 0.00 0.00 0.00
9 B1u 989 946 14.94 0.00 0.00 0.00
10 B2g 1872 1791 0.00 3.78 0.75 0.86
11 B2g 909 869 0.00 4.26 0.75 0.86
12 B2u 2698 2581 181.59 0.00 0.00 0.00
13 B2u 944 903 0.23 0.00 0.00 0.00
14 B2u 347 332 16.52 0.00 0.00 0.00
15 B3g 1030 985 0.00 30.72 0.75 0.86
16 B3u 2591 2478 151.23 0.00 0.00 0.00
17 B3u 1701 1627 482.98 0.00 0.00 0.00
18 B3u 1190 1139 67.45 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13773.6 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 13174.5 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/6-311G**
ABC
2.67167 0.61043 0.56120

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

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 0.982
H4 0.000 0.000 -0.982
H5 1.459 1.041 0.000
H6 1.459 -1.041 0.000
H7 -1.459 1.041 0.000
H8 -1.459 -1.041 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.76201.31931.31931.19051.19052.56112.5611
B21.76201.31931.31932.56112.56111.19051.1905
H31.31931.31931.96402.04362.04362.04362.0436
H41.31931.31931.96402.04362.04362.04362.0436
H51.19052.56112.04362.04362.08142.91823.5844
H61.19052.56112.04362.04362.08143.58442.9182
H72.56111.19052.04362.04362.91823.58442.0814
H82.56111.19052.04362.04363.58442.91822.0814

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.793 B1 H4 B2 83.793
H3 B1 H4 96.207 H3 B1 H5 108.922
H3 B1 H6 108.922 H3 B2 H4 96.207
H3 B2 H7 108.922 H3 B2 H8 108.922
H4 B1 H5 108.922 H4 B1 H6 108.922
H4 B2 H7 108.922 H4 B2 H8 108.922
H5 B1 H6 121.895 H7 B2 H8 121.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.145      
2 B -0.145      
3 H 0.088      
4 H 0.088      
5 H 0.028      
6 H 0.028      
7 H 0.028      
8 H 0.028      


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 -18.826 0.000 0.000
y 0.000 -17.900 0.000
z 0.000 0.000 -14.894
Traceless
 xyz
x -2.429 0.000 0.000
y 0.000 -1.040 0.000
z 0.000 0.000 3.469
Polar
3z2-r26.938
x2-y2-0.926
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.825 0.000 0.000
y 0.000 4.582 0.000
z 0.000 0.000 3.552


<r2> (average value of r2) Å2
<r2> 33.285
(<r2>)1/2 5.769