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All results from a given calculation for B2H6 (Diborane)

using model chemistry: B97D3/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-53.274209
Energy at 298.15K-53.280019
HF Energy-53.274209
Nuclear repulsion energy31.944502
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/aug-cc-pVTZ
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 2522 0.00 326.28 0.06 0.12
2 Ag 2122 2090 0.00 83.69 0.05 0.10
3 Ag 1170 1152 0.00 6.92 0.59 0.75
4 Ag 774 762 0.00 18.91 0.14 0.25
5 Au 828 815 0.00 0.00 0.00 0.00
6 B1g 2635 2595 0.00 127.38 0.75 0.86
7 B1g 917 903 0.00 0.47 0.75 0.86
8 B1u 1975 1945 6.01 0.00 0.00 0.00
9 B1u 969 954 22.22 0.00 0.00 0.00
10 B2g 1827 1799 0.00 3.11 0.75 0.86
11 B2g 874 860 0.00 0.01 0.75 0.86
12 B2u 2651 2610 185.87 0.00 0.00 0.00
13 B2u 911 897 0.28 0.00 0.00 0.00
14 B2u 333 328 16.04 0.00 0.00 0.00
15 B3g 978 963 0.00 5.65 0.75 0.86
16 B3u 2549 2510 153.25 0.00 0.00 0.00
17 B3u 1664 1639 412.70 0.00 0.00 0.00
18 B3u 1164 1146 76.40 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13451.2 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 13245.4 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/aug-cc-pVTZ
ABC
2.65944 0.60466 0.55589

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

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 0.983
H4 0.000 0.000 -0.983
H5 1.465 1.044 0.000
H6 1.465 -1.044 0.000
H7 -1.465 1.044 0.000
H8 -1.465 -1.044 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.77201.32311.32311.19351.19352.57202.5720
B21.77201.32311.32312.57202.57201.19351.1935
H31.32311.32311.96532.04952.04952.04952.0495
H41.32311.32311.96532.04952.04952.04952.0495
H51.19352.57202.04952.04952.08772.92943.5972
H61.19352.57202.04952.04952.08773.59722.9294
H72.57201.19352.04952.04952.92943.59722.0877
H82.57201.19352.04952.04953.59722.92942.0877

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.078 B1 H4 B2 84.078
H3 B1 H4 95.922 H3 B1 H5 108.946
H3 B1 H6 108.946 H3 B2 H4 95.922
H3 B2 H7 108.946 H3 B2 H8 108.946
H4 B1 H5 108.946 H4 B1 H6 108.946
H4 B2 H7 108.946 H4 B2 H8 108.946
H5 B1 H6 121.994 H7 B2 H8 121.994
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.128      
2 B -0.128      
3 H 0.124      
4 H 0.124      
5 H 0.002      
6 H 0.002      
7 H 0.002      
8 H 0.002      


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 -18.982 0.000 0.000
y 0.000 -18.042 0.000
z 0.000 0.000 -14.932
Traceless
 xyz
x -2.494 0.000 0.000
y 0.000 -1.085 0.000
z 0.000 0.000 3.580
Polar
3z2-r27.159
x2-y2-0.939
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.195 0.000 0.000
y 0.000 5.038 0.000
z 0.000 0.000 4.330


<r2> (average value of r2) Å2
<r2> 33.538
(<r2>)1/2 5.791