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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-53.267438
Energy at 298.15K-53.273232
HF Energy-53.267438
Nuclear repulsion energy31.872970
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 B97D3/6-311G**
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 2557 2520 0.00 273.96 0.12 0.21
2 Ag 2113 2083 0.00 78.40 0.08 0.14
3 Ag 1166 1149 0.00 11.29 0.68 0.81
4 Ag 770 759 0.00 18.44 0.18 0.30
5 Au 827 815 0.00 0.00 0.00 0.00
6 B1g 2633 2596 0.00 128.19 0.75 0.86
7 B1g 915 902 0.00 0.97 0.75 0.86
8 B1u 1963 1935 7.35 0.00 0.00 0.00
9 B1u 969 955 16.93 0.00 0.00 0.00
10 B2g 1816 1790 0.00 3.90 0.75 0.86
11 B2g 871 859 0.00 3.90 0.75 0.86
12 B2u 2648 2611 193.29 0.00 0.00 0.00
13 B2u 907 894 0.15 0.00 0.00 0.00
14 B2u 327 323 15.89 0.00 0.00 0.00
15 B3g 980 966 0.00 30.11 0.75 0.86
16 B3u 2545 2508 156.46 0.00 0.00 0.00
17 B3u 1651 1627 425.51 0.00 0.00 0.00
18 B3u 1158 1141 76.96 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13408.1 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 13216.3 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 B97D3/6-311G**
ABC
2.64898 0.60129 0.55292

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.889 0.000 0.000
B2 -0.889 0.000 0.000
H3 0.000 0.000 0.985
H4 0.000 0.000 -0.985
H5 1.466 1.046 0.000
H6 1.466 -1.046 0.000
H7 -1.466 1.046 0.000
H8 -1.466 -1.046 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.77851.32701.32701.19441.19442.57732.5773
B21.77851.32701.32702.57732.57731.19441.1944
H31.32701.32701.97002.05282.05282.05282.0528
H41.32701.32701.97002.05282.05282.05282.0528
H51.19442.57732.05282.05282.09142.93283.6021
H61.19442.57732.05282.05282.09143.60212.9328
H72.57731.19442.05282.05282.93283.60212.0914
H82.57731.19442.05282.05283.60212.93282.0914

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.151 B1 H4 B2 84.151
H3 B1 H4 95.849 H3 B1 H5 108.893
H3 B1 H6 108.893 H3 B2 H4 95.849
H3 B2 H7 108.893 H3 B2 H8 108.893
H4 B1 H5 108.893 H4 B1 H6 108.893
H4 B2 H7 108.893 H4 B2 H8 108.893
H5 B1 H6 122.210 H7 B2 H8 122.210
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.114      
2 B -0.114      
3 H 0.090      
4 H 0.090      
5 H 0.012      
6 H 0.012      
7 H 0.012      
8 H 0.012      


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 -17.975 0.000
z 0.000 0.000 -14.929
Traceless
 xyz
x -2.525 0.000 0.000
y 0.000 -1.022 0.000
z 0.000 0.000 3.547
Polar
3z2-r27.094
x2-y2-1.002
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.033 0.000 0.000
y 0.000 4.692 0.000
z 0.000 0.000 3.632


<r2> (average value of r2) Å2
<r2> 33.624
(<r2>)1/2 5.799