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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B97D3/cc-pVQZ

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/cc-pVQZ
 hartrees
Energy at 0K-53.278411
Energy at 298.15K-53.284218
HF Energy-53.278411
Nuclear repulsion energy31.959557
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/cc-pVQZ
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 2561 2561 0.00 302.39 0.08 0.14
2 Ag 2123 2123 0.00 79.31 0.06 0.11
3 Ag 1171 1171 0.00 7.20 0.68 0.81
4 Ag 774 774 0.00 18.84 0.15 0.27
5 Au 828 828 0.00 0.00 0.00 0.00
6 B1g 2634 2634 0.00 122.25 0.75 0.86
7 B1g 918 918 0.00 0.80 0.75 0.86
8 B1u 1976 1976 6.22 0.00 0.00 0.00
9 B1u 969 969 21.76 0.00 0.00 0.00
10 B2g 1828 1828 0.00 2.81 0.75 0.86
11 B2g 875 875 0.00 0.00 0.75 0.86
12 B2u 2649 2649 184.69 0.00 0.00 0.00
13 B2u 911 911 0.23 0.00 0.00 0.00
14 B2u 334 334 16.11 0.00 0.00 0.00
15 B3g 977 977 0.00 8.92 0.75 0.86
16 B3u 2549 2549 152.42 0.00 0.00 0.00
17 B3u 1666 1666 414.20 0.00 0.00 0.00
18 B3u 1165 1165 75.11 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13453.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13453.0 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/cc-pVQZ
ABC
2.66278 0.60511 0.55630

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVQZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.886 0.000 0.000
B2 -0.886 0.000 0.000
H3 0.000 0.000 0.982
H4 0.000 0.000 -0.982
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
B11.77141.32231.32231.19291.19292.57112.5711
B21.77141.32231.32232.57112.57111.19291.1929
H31.32231.32231.96382.04852.04852.04852.0485
H41.32231.32231.96382.04852.04852.04852.0485
H51.19292.57112.04852.04852.08652.92843.5957
H61.19292.57112.04852.04852.08653.59572.9284
H72.57111.19292.04852.04852.92843.59572.0865
H82.57111.19292.04852.04853.59572.92842.0865

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.103 B1 H4 B2 84.103
H3 B1 H4 95.897 H3 B1 H5 108.954
H3 B1 H6 108.954 H3 B2 H4 95.897
H3 B2 H7 108.954 H3 B2 H8 108.954
H4 B1 H5 108.954 H4 B1 H6 108.954
H4 B2 H7 108.954 H4 B2 H8 108.954
H5 B1 H6 121.982 H7 B2 H8 121.982
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.276      
2 B 0.276      
3 H -0.032      
4 H -0.032      
5 H -0.122      
6 H -0.122      
7 H -0.122      
8 H -0.122      


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 -18.974 0.000 0.000
y 0.000 -18.028 0.000
z 0.000 0.000 -14.896
Traceless
 xyz
x -2.512 0.000 0.000
y 0.000 -1.093 0.000
z 0.000 0.000 3.605
Polar
3z2-r27.210
x2-y2-0.946
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.118 0.000 0.000
y 0.000 4.927 0.000
z 0.000 0.000 4.167


<r2> (average value of r2) Å2
<r2> 33.507
(<r2>)1/2 5.788