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All results from a given calculation for B2H6 (Diborane)

using model chemistry: HF/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 HF/6-311G**
 hartrees
Energy at 0K-52.827948
Energy at 298.15K-52.833978
HF Energy-52.827948
Nuclear repulsion energy31.970752
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 HF/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 2694 2447 0.00 263.95 0.12 0.21
2 Ag 2230 2026 0.00 85.79 0.09 0.17
3 Ag 1291 1173 0.00 8.48 0.73 0.85
4 Ag 819 744 0.00 19.88 0.17 0.29
5 Au 888 807 0.00 0.00 0.55 0.71
6 B1g 2763 2510 0.00 114.24 0.75 0.86
7 B1g 990 899 0.00 0.81 0.75 0.86
8 B1u 2006 1822 43.35 0.00 0.00 0.00
9 B1u 1061 964 20.85 0.00 0.00 0.00
10 B2g 1886 1714 0.00 6.88 0.75 0.86
11 B2g 900 818 0.00 3.02 0.75 0.86
12 B2u 2779 2524 262.38 0.00 0.00 0.00
13 B2u 1091 991 4.97 0.00 0.00 0.00
14 B2u 404 367 13.91 0.00 0.15 0.00
15 B3g 1160 1054 0.00 32.84 0.75 0.86
16 B3u 2674 2429 184.90 0.00 0.00 0.00
17 B3u 1772 1610 752.09 0.00 0.00 0.00
18 B3u 1270 1154 132.32 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 14338.8 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 13026.8 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 HF/6-311G**
ABC
2.69347 0.60036 0.55291

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.891 0.000 0.000
B2 -0.891 0.000 0.000
H3 0.000 0.000 0.977
H4 0.000 0.000 -0.977
H5 1.465 1.037 0.000
H6 1.465 -1.037 0.000
H7 -1.465 1.037 0.000
H8 -1.465 -1.037 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.78291.32271.32271.18511.18512.57482.5748
B21.78291.32271.32272.57482.57481.18511.1851
H31.32271.32271.95422.04382.04382.04382.0438
H41.32271.32271.95422.04382.04382.04382.0438
H51.18512.57482.04382.04382.07382.93083.5903
H61.18512.57482.04382.04382.07383.59032.9308
H72.57481.18512.04382.04382.93083.59032.0738
H82.57481.18512.04382.04383.59032.93082.0738

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.750 B1 H4 B2 84.750
H3 B1 H4 95.250 H3 B1 H5 109.050
H3 B1 H6 109.050 H3 B2 H4 95.250
H3 B2 H7 109.050 H3 B2 H8 109.050
H4 B1 H5 109.050 H4 B1 H6 109.050
H4 B2 H7 109.050 H4 B2 H8 109.050
H5 B1 H6 122.069 H7 B2 H8 122.069
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.030      
2 B -0.030      
3 H 0.028      
4 H 0.028      
5 H 0.001      
6 H 0.001      
7 H 0.001      
8 H 0.001      


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 -18.976 0.000 0.000
y 0.000 -18.248 0.000
z 0.000 0.000 -15.158
Traceless
 xyz
x -2.273 0.000 0.000
y 0.000 -1.181 0.000
z 0.000 0.000 3.454
Polar
3z2-r26.907
x2-y2-0.728
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.530 0.000 0.000
y 0.000 4.347 0.000
z 0.000 0.000 3.459


<r2> (average value of r2) Å2
<r2> 33.652
(<r2>)1/2 5.801