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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-53.258979
Energy at 298.15K-53.264753
HF Energy-53.258979
Nuclear repulsion energy31.838022
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
(Å4/u)
Dep P Dep U
1 Ag 2549 2549 0.00 256.43 0.13 0.22
2 Ag 2105 2105 0.00 73.57 0.08 0.15
3 Ag 1160 1160 0.00 10.81 0.69 0.82
4 Ag 768 768 0.00 17.85 0.19 0.32
5 Au 827 827 0.00 0.00 0.00 0.00
6 B1g 2626 2626 0.00 121.49 0.75 0.86
7 B1g 915 915 0.00 1.11 0.75 0.86
8 B1u 1970 1970 7.53 0.00 0.00 0.00
9 B1u 962 962 17.30 0.00 0.00 0.00
10 B2g 1810 1810 0.00 3.84 0.75 0.86
11 B2g 872 872 0.00 4.07 0.75 0.86
12 B2u 2641 2641 200.46 0.00 0.00 0.00
13 B2u 913 913 0.41 0.00 0.00 0.00
14 B2u 319 319 15.68 0.00 0.00 0.00
15 B3g 998 998 0.00 30.97 0.75 0.86
16 B3u 2536 2536 163.84 0.00 0.00 0.00
17 B3u 1648 1648 439.01 0.00 0.00 0.00
18 B3u 1153 1153 76.77 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13385.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13385.0 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
2.64001 0.60025 0.55182

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 0.890 0.000 0.000
B2 -0.890 0.000 0.000
H3 0.000 0.000 0.986
H4 0.000 0.000 -0.986
H5 1.467 1.048 0.000
H6 1.467 -1.048 0.000
H7 -1.467 1.048 0.000
H8 -1.467 -1.048 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.78061.32861.32861.19581.19582.57932.5793
B21.78061.32861.32862.57932.57931.19581.1958
H31.32861.32861.97232.05462.05462.05462.0546
H41.32861.32861.97232.05462.05462.05462.0546
H51.19582.57932.05462.05462.09542.93333.6049
H61.19582.57932.05462.05462.09543.60492.9333
H72.57931.19582.05462.05462.93333.60492.0954
H82.57931.19582.05462.05463.60492.93332.0954

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.150 B1 H4 B2 84.150
H3 B1 H4 95.850 H3 B1 H5 108.844
H3 B1 H6 108.844 H3 B2 H4 95.850
H3 B2 H7 108.844 H3 B2 H8 108.844
H4 B1 H5 108.844 H4 B1 H6 108.844
H4 B2 H7 108.844 H4 B2 H8 108.844
H5 B1 H6 122.367 H7 B2 H8 122.367
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 -0.351      
2 B -0.351      
3 H 0.178      
4 H 0.178      
5 H 0.086      
6 H 0.086      
7 H 0.086      
8 H 0.086      


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 -19.030 0.000 0.000
y 0.000 -18.026 0.000
z 0.000 0.000 -15.007
Traceless
 xyz
x -2.514 0.000 0.000
y 0.000 -1.007 0.000
z 0.000 0.000 3.521
Polar
3z2-r27.043
x2-y2-1.005
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.973 0.000 0.000
y 0.000 4.627 0.000
z 0.000 0.000 3.579


<r2> (average value of r2) Å2
<r2> 33.706
(<r2>)1/2 5.806