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All results from a given calculation for B2H6 (Diborane)

using model chemistry: LSDA/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 LSDA/6-311G**
 hartrees
Energy at 0K-52.946670
Energy at 298.15K-52.952357
HF Energy-52.946670
Nuclear repulsion energy32.212164
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 LSDA/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 2555 2524 0.00      
2 Ag 2156 2129 0.00      
3 Ag 1127 1113 0.00      
4 Ag 819 809 0.00      
5 Au 834 824 0.00      
6 B1g 2638 2606 0.00      
7 B1g 897 886 0.00      
8 B1u 2031 2006 0.58      
9 B1u 934 923 8.20      
10 B2g 1878 1855 0.00      
11 B2g 885 874 0.00      
12 B2u 2652 2619 115.91      
13 B2u 820 810 1.07      
14 B2u 271 268 21.54      
15 B3g 893 882 0.00      
16 B3u 2544 2513 115.11      
17 B3u 1679 1658 282.90      
18 B3u 1125 1111 35.27      

Unscaled Zero Point Vibrational Energy (zpe) 13368.6 cm-1
Scaled (by 0.9877) Zero Point Vibrational Energy (zpe) 13204.2 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 LSDA/6-311G**
ABC
2.63831 0.62661 0.57451

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.865 0.000 0.000
B2 -0.865 0.000 0.000
H3 0.000 0.000 0.990
H4 0.000 0.000 -0.990
H5 1.447 1.046 0.000
H6 1.447 -1.046 0.000
H7 -1.447 1.046 0.000
H8 -1.447 -1.046 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.73061.31471.31471.19731.19732.53812.5381
B21.73061.31471.31472.53812.53811.19731.1973
H31.31471.31471.97962.04172.04172.04172.0417
H41.31471.31471.97962.04172.04172.04172.0417
H51.19732.53812.04172.04172.09302.89403.5715
H61.19732.53812.04172.04172.09303.57152.8940
H72.53811.19732.04172.04172.89403.57152.0930
H82.53811.19732.04172.04173.57152.89402.0930

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 82.321 B1 H4 B2 82.321
H3 B1 H4 97.679 H3 B1 H5 108.649
H3 B1 H6 108.649 H3 B2 H4 97.679
H3 B2 H7 108.649 H3 B2 H8 108.649
H4 B1 H5 108.649 H4 B1 H6 108.649
H4 B2 H7 108.649 H4 B2 H8 108.649
H5 B1 H6 121.864 H7 B2 H8 121.864
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.293      
2 B -0.293      
3 H 0.150      
4 H 0.150      
5 H 0.072      
6 H 0.072      
7 H 0.072      
8 H 0.072      


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 -19.078 0.000 0.000
y 0.000 -17.912 0.000
z 0.000 0.000 -14.995
Traceless
 xyz
x -2.624 0.000 0.000
y 0.000 -0.875 0.000
z 0.000 0.000 3.499
Polar
3z2-r26.999
x2-y2-1.166
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.107 0.000 0.000
y 0.000 4.797 0.000
z 0.000 0.000 3.672


<r2> (average value of r2) Å2
<r2> 33.026
(<r2>)1/2 5.747