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All results from a given calculation for B2H6 (Diborane)

using model chemistry: LSDA/6-31G

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/6-31G
 hartrees
Energy at 0K-52.911686
Energy at 298.15K-52.917455
HF Energy-52.911686
Nuclear repulsion energy32.046015
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/6-31G
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 2602 2550 0.00      
2 Ag 2168 2124 0.00      
3 Ag 1148 1125 0.00      
4 Ag 818 801 0.00      
5 Au 851 834 0.00      
6 B1g 2688 2634 0.00      
7 B1g 924 905 0.00      
8 B1u 2018 1978 1.17      
9 B1u 959 940 5.91      
10 B2g 1861 1824 0.00      
11 B2g 895 877 0.00      
12 B2u 2702 2647 130.27      
13 B2u 863 846 0.68      
14 B2u 310 304 14.93      
15 B3g 938 919 0.00      
16 B3u 2589 2536 113.15      
17 B3u 1665 1631 299.84      
18 B3u 1160 1136 37.07      

Unscaled Zero Point Vibrational Energy (zpe) 13579.9 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 13304.2 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/6-31G
ABC
2.64989 0.61471 0.56507

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.874 0.000 0.000
B2 -0.874 0.000 0.000
H3 0.000 0.000 0.990
H4 0.000 0.000 -0.990
H5 1.464 1.043 0.000
H6 1.464 -1.043 0.000
H7 -1.464 1.043 0.000
H8 -1.464 -1.043 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.74771.32061.32061.19821.19822.55952.5595
B21.74771.32061.32062.55952.55951.19821.1982
H31.32061.32061.98032.05192.05192.05192.0519
H41.32061.32061.98032.05192.05192.05192.0519
H51.19822.55952.05192.05192.08602.92703.5943
H61.19822.55952.05192.05192.08603.59432.9270
H72.55951.19822.05192.05192.92703.59432.0860
H82.55951.19822.05192.05193.59432.92702.0860

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 82.858 B1 H4 B2 82.858
H3 B1 H4 97.142 H3 B1 H5 109.006
H3 B1 H6 109.006 H3 B2 H4 97.142
H3 B2 H7 109.006 H3 B2 H8 109.006
H4 B1 H5 109.006 H4 B1 H6 109.006
H4 B2 H7 109.006 H4 B2 H8 109.006
H5 B1 H6 121.034 H7 B2 H8 121.034
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.174      
2 B -0.174      
3 H 0.092      
4 H 0.092      
5 H 0.041      
6 H 0.041      
7 H 0.041      
8 H 0.041      


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 -18.589 0.000 0.000
y 0.000 -17.454 0.000
z 0.000 0.000 -14.852
Traceless
 xyz
x -2.436 0.000 0.000
y 0.000 -0.734 0.000
z 0.000 0.000 3.170
Polar
3z2-r26.339
x2-y2-1.135
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.590 0.000 0.000
y 0.000 4.036 0.000
z 0.000 0.000 3.196


<r2> (average value of r2) Å2
<r2> 33.112
(<r2>)1/2 5.754