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All results from a given calculation for B2H6 (Diborane)

using model chemistry: PBE1PBE/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at PBE1PBE/daug-cc-pVDZ
 hartrees
Energy at 0K-53.193014
Energy at 298.15K-53.198836
HF Energy-53.193014
Nuclear repulsion energy31.951401
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 PBE1PBE/daug-cc-pVDZ
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 2611 2611 0.00 312.46 0.07 0.12
2 Ag 2175 2175 0.00 92.68 0.04 0.08
3 Ag 1176 1176 0.00 6.62 0.66 0.80
4 Ag 815 815 0.00 19.74 0.14 0.25
5 Au 837 837 0.00 0.00 0.00 0.00
6 B1g 2693 2693 0.00 120.40 0.75 0.86
7 B1g 920 920 0.00 0.47 0.75 0.86
8 B1u 2031 2031 4.12 0.00 0.00 0.00
9 B1u 971 971 20.04 0.00 0.75 0.86
10 B2g 1880 1880 0.00 3.69 0.75 0.86
11 B2g 887 887 0.00 0.01 0.75 0.86
12 B2u 2708 2708 161.54 0.00 0.00 0.00
13 B2u 897 897 0.05 0.00 0.00 0.00
14 B2u 323 323 16.90 0.00 0.00 0.00
15 B3g 983 983 0.00 6.21 0.75 0.86
16 B3u 2595 2595 145.52 0.00 0.00 0.00
17 B3u 1707 1707 415.06 0.00 0.00 0.00
18 B3u 1165 1165 61.15 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13685.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13685.7 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 PBE1PBE/daug-cc-pVDZ
ABC
2.63609 0.60924 0.55953

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/daug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.881 0.000 0.000
B2 -0.881 0.000 0.000
H3 0.000 0.000 0.988
H4 0.000 0.000 -0.988
H5 1.462 1.048 0.000
H6 1.462 -1.048 0.000
H7 -1.462 1.048 0.000
H8 -1.462 -1.048 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.76161.32381.32381.19841.19842.56672.5667
B21.76161.32381.32382.56672.56671.19841.1984
H31.32381.32381.97642.05252.05252.05252.0525
H41.32381.32381.97642.05252.05252.05252.0525
H51.19842.56672.05252.05252.09582.92443.5978
H61.19842.56672.05252.05252.09583.59782.9244
H72.56671.19842.05252.05252.92443.59782.0958
H82.56671.19842.05252.05253.59782.92442.0958

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.424 B1 H4 B2 83.424
H3 B1 H4 96.576 H3 B1 H5 108.833
H3 B1 H6 108.833 H3 B2 H4 96.576
H3 B2 H7 108.833 H3 B2 H8 108.833
H4 B1 H5 108.833 H4 B1 H6 108.833
H4 B2 H7 108.833 H4 B2 H8 108.833
H5 B1 H6 121.956 H7 B2 H8 121.956
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -2.317      
2 B -2.317      
3 H 0.566      
4 H 0.566      
5 H 0.875      
6 H 0.875      
7 H 0.875      
8 H 0.875      


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 -18.927 0.000 0.000
y 0.000 -17.964 0.000
z 0.000 0.000 -14.908
Traceless
 xyz
x -2.492 0.000 0.000
y 0.000 -1.046 0.000
z 0.000 0.000 3.538
Polar
3z2-r27.076
x2-y2-0.964
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.071 0.000 0.000
y 0.000 4.956 0.000
z 0.000 0.000 4.263


<r2> (average value of r2) Å2
<r2> 33.440
(<r2>)1/2 5.783