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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-52.938533
Energy at 298.15K-52.944195
HF Energy-52.938533
Nuclear repulsion energy32.198064
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 2551 2510 0.00      
2 Ag 2151 2116 0.00      
3 Ag 1126 1107 0.00      
4 Ag 818 804 0.00      
5 Au 836 822 0.00      
6 B1g 2632 2589 0.00      
7 B1g 899 884 0.00      
8 B1u 2039 2006 0.49      
9 B1u 931 915 8.55      
10 B2g 1872 1842 0.00      
11 B2g 887 872 0.00      
12 B2u 2646 2603 120.99      
13 B2u 826 812 0.74      
14 B2u 255 251 21.46      
15 B3g 915 900 0.00      
16 B3u 2538 2497 121.98      
17 B3u 1677 1650 293.00      
18 B3u 1124 1106 35.88      

Unscaled Zero Point Vibrational Energy (zpe) 13361.6 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 13143.8 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
2.63872 0.62597 0.57412

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 0.991
H4 0.000 0.000 -0.991
H5 1.449 1.046 0.000
H6 1.449 -1.046 0.000
H7 -1.449 1.046 0.000
H8 -1.449 -1.046 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.73051.31531.31531.19801.19802.54002.5400
B21.73051.31531.31532.54002.54001.19801.1980
H31.31531.31531.98132.04362.04362.04362.0436
H41.31531.31531.98132.04362.04362.04362.0436
H51.19802.54002.04362.04362.09192.89883.5748
H61.19802.54002.04362.04362.09193.57482.8988
H72.54001.19802.04362.04362.89883.57482.0919
H82.54001.19802.04362.04363.57482.89882.0919

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 82.267 B1 H4 B2 82.267
H3 B1 H4 97.733 H3 B1 H5 108.709
H3 B1 H6 108.709 H3 B2 H4 97.733
H3 B2 H7 108.709 H3 B2 H8 108.709
H4 B1 H5 108.709 H4 B1 H6 108.709
H4 B2 H7 108.709 H4 B2 H8 108.709
H5 B1 H6 121.633 H7 B2 H8 121.633
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 -0.520      
2 B -0.520      
3 H 0.240      
4 H 0.240      
5 H 0.140      
6 H 0.140      
7 H 0.140      
8 H 0.140      


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 -19.126 0.000 0.000
y 0.000 -17.984 0.000
z 0.000 0.000 -15.059
Traceless
 xyz
x -2.605 0.000 0.000
y 0.000 -0.891 0.000
z 0.000 0.000 3.496
Polar
3z2-r26.992
x2-y2-1.143
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.057 0.000 0.000
y 0.000 4.740 0.000
z 0.000 0.000 3.620


<r2> (average value of r2) Å2
<r2> 33.090
(<r2>)1/2 5.752