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All results from a given calculation for B2H6 (Diborane)

using model chemistry: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-53.195313
Energy at 298.15K-53.201151
HF Energy-53.195313
Nuclear repulsion energy32.082294
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 HSEh1PBE/6-31G*
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 2653 2523 0.00 213.79 0.13 0.23
2 Ag 2225 2116 0.00 79.44 0.09 0.16
3 Ag 1198 1139 0.00 14.55 0.73 0.84
4 Ag 820 779 0.00 16.20 0.22 0.36
5 Au 855 813 0.00 0.00 0.00 0.00
6 B1g 2734 2600 0.00 103.10 0.75 0.86
7 B1g 939 893 0.00 1.93 0.75 0.86
8 B1u 2070 1968 12.32 0.00 0.00 0.00
9 B1u 990 942 16.66 0.00 0.00 0.00
10 B2g 1903 1810 0.00 5.15 0.75 0.86
11 B2g 900 856 0.00 4.81 0.75 0.86
12 B2u 2747 2613 166.05 0.00 0.00 0.00
13 B2u 941 895 0.35 0.00 0.00 0.00
14 B2u 327 311 13.76 0.00 0.00 0.00
15 B3g 1032 982 0.00 36.90 0.75 0.86
16 B3u 2639 2509 143.18 0.00 0.00 0.00
17 B3u 1742 1657 426.40 0.00 0.00 0.00
18 B3u 1192 1134 65.62 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13952.3 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 13268.6 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 HSEh1PBE/6-31G*
ABC
2.66275 0.61350 0.56339

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.878 0.000 0.000
B2 -0.878 0.000 0.000
H3 0.000 0.000 0.982
H4 0.000 0.000 -0.982
H5 1.457 1.043 0.000
H6 1.457 -1.043 0.000
H7 -1.457 1.043 0.000
H8 -1.457 -1.043 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75591.31721.31721.19341.19342.55782.5578
B21.75591.31721.31722.55782.55781.19341.1934
H31.31721.31721.96382.04372.04372.04372.0437
H41.31721.31721.96382.04372.04372.04372.0437
H51.19342.55782.04372.04372.08652.91483.5846
H61.19342.55782.04372.04372.08653.58462.9148
H72.55781.19342.04372.04372.91483.58462.0865
H82.55781.19342.04372.04373.58462.91482.0865

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.603 B1 H4 B2 83.603
H3 B1 H4 96.397 H3 B1 H5 108.884
H3 B1 H6 108.884 H3 B2 H4 96.397
H3 B2 H7 108.884 H3 B2 H8 108.884
H4 B1 H5 108.884 H4 B1 H6 108.884
H4 B2 H7 108.884 H4 B2 H8 108.884
H5 B1 H6 121.902 H7 B2 H8 121.902
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.169      
2 B -0.169      
3 H 0.108      
4 H 0.108      
5 H 0.031      
6 H 0.031      
7 H 0.031      
8 H 0.031      


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 -18.444 0.000 0.000
y 0.000 -17.457 0.000
z 0.000 0.000 -14.613
Traceless
 xyz
x -2.409 0.000 0.000
y 0.000 -0.928 0.000
z 0.000 0.000 3.337
Polar
3z2-r26.674
x2-y2-0.988
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.367 0.000 0.000
y 0.000 3.990 0.000
z 0.000 0.000 3.140


<r2> (average value of r2) Å2
<r2> 33.003
(<r2>)1/2 5.745