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All results from a given calculation for B2H6 (Diborane)

using model chemistry: LSDA/STO-3G

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/STO-3G
 hartrees
Energy at 0K-52.286784
Energy at 298.15K-52.292479
HF Energy-52.286784
Nuclear repulsion energy32.182906
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/STO-3G
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 3000 2686 0.00      
2 Ag 2343 2098 0.00      
3 Ag 1297 1161 0.00      
4 Ag 849 761 0.00      
5 Au 926 829 0.00      
6 B1g 3149 2820 0.00      
7 B1g 1004 899 0.00      
8 B1u 2252 2016 11.37      
9 B1u 1061 950 29.26      
10 B2g 1872 1676 0.00      
11 B2g 959 859 0.00      
12 B2u 3150 2821 0.00      
13 B2u 964 864 3.21      
14 B2u 296 265 28.82      
15 B3g 1093 978 0.00      
16 B3u 2999 2686 3.51      
17 B3u 1659 1486 398.12      
18 B3u 1297 1162 54.93      

Unscaled Zero Point Vibrational Energy (zpe) 15084.8 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 13508.4 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/STO-3G
ABC
2.71790 0.60948 0.56473

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/STO-3G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.883 0.000 0.000
B2 -0.883 0.000 0.000
H3 0.000 0.000 0.997
H4 0.000 0.000 -0.997
H5 1.450 1.020 0.000
H6 1.450 -1.020 0.000
H7 -1.450 1.020 0.000
H8 -1.450 -1.020 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.76621.33221.33221.16751.16752.54692.5469
B21.76621.33221.33222.54692.54691.16751.1675
H31.33221.33221.99492.03472.03472.03472.0347
H41.33221.33221.99492.03472.03472.03472.0347
H51.16752.54692.03472.03472.04072.90103.5468
H61.16752.54692.03472.03472.04073.54682.9010
H72.54691.16752.03472.03472.90103.54682.0407
H82.54691.16752.03472.03473.54682.90102.0407

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.041 B1 H4 B2 83.041
H3 B1 H4 96.959 H3 B1 H5 108.793
H3 B1 H6 108.793 H3 B2 H4 96.959
H3 B2 H7 108.793 H3 B2 H8 108.793
H4 B1 H5 108.793 H4 B1 H6 108.793
H4 B2 H7 108.793 H4 B2 H8 108.793
H5 B1 H6 121.846 H7 B2 H8 121.846
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.102      
2 B -0.102      
3 H 0.079      
4 H 0.079      
5 H 0.011      
6 H 0.011      
7 H 0.011      
8 H 0.011      


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 -17.554 0.000 0.000
y 0.000 -15.780 0.000
z 0.000 0.000 -13.731
Traceless
 xyz
x -2.798 0.000 0.000
y 0.000 -0.138 0.000
z 0.000 0.000 2.936
Polar
3z2-r25.872
x2-y2-1.774
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.861 0.000 0.000
y 0.000 1.776 0.000
z 0.000 0.000 1.534


<r2> (average value of r2) Å2
<r2> 32.168
(<r2>)1/2 5.672