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All results from a given calculation for B2H6 (Diborane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/daug-cc-pVDZ
 hartrees
Energy at 0K-53.197604
Energy at 298.15K-53.203427
HF Energy-53.197604
Nuclear repulsion energy31.945027
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/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 2608 2608 0.00 316.70 0.07 0.12
2 Ag 2173 2173 0.00 92.38 0.04 0.08
3 Ag 1176 1176 0.00 6.78 0.64 0.78
4 Ag 812 812 0.00 19.09 0.15 0.26
5 Au 836 836 0.00 0.00 0.00 0.00
6 B1g 2689 2689 0.00 122.75 0.75 0.86
7 B1g 920 920 0.00 0.45 0.75 0.86
8 B1u 2028 2028 4.44 0.00 0.00 0.00
9 B1u 971 971 20.29 0.00 0.00 0.00
10 B2g 1877 1877 0.00 3.76 0.75 0.86
11 B2g 886 886 0.00 0.01 0.75 0.86
12 B2u 2705 2705 165.09 0.00 0.00 0.00
13 B2u 898 898 0.06 0.00 0.00 0.00
14 B2u 324 324 16.81 0.00 0.00 0.00
15 B3g 984 984 0.00 6.36 0.75 0.86
16 B3u 2592 2592 147.01 0.00 0.00 0.00
17 B3u 1704 1704 419.29 0.00 0.00 0.00
18 B3u 1165 1165 62.31 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13674.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13674.5 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/daug-cc-pVDZ
ABC
2.63685 0.60869 0.55910

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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 1.463 1.048 0.000
H6 1.463 -1.048 0.000
H7 -1.463 1.048 0.000
H8 -1.463 -1.048 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.76261.32411.32411.19821.19822.56752.5675
B21.76261.32411.32412.56752.56751.19821.1982
H31.32411.32411.97642.05272.05272.05272.0527
H41.32411.32411.97642.05272.05272.05272.0527
H51.19822.56752.05272.05272.09532.92543.5983
H61.19822.56752.05272.05272.09533.59832.9254
H72.56751.19822.05272.05272.92543.59832.0953
H82.56751.19822.05272.05273.59832.92542.0953

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.455 B1 H4 B2 83.455
H3 B1 H4 96.545 H3 B1 H5 108.842
H3 B1 H6 108.842 H3 B2 H4 96.545
H3 B2 H7 108.842 H3 B2 H8 108.842
H4 B1 H5 108.842 H4 B1 H6 108.842
H4 B2 H7 108.842 H4 B2 H8 108.842
H5 B1 H6 121.946 H7 B2 H8 121.946
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -2.350      
2 B -2.350      
3 H 0.562      
4 H 0.562      
5 H 0.894      
6 H 0.894      
7 H 0.894      
8 H 0.894      


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 -18.942 0.000 0.000
y 0.000 -17.983 0.000
z 0.000 0.000 -14.920
Traceless
 xyz
x -2.490 0.000 0.000
y 0.000 -1.052 0.000
z 0.000 0.000 3.542
Polar
3z2-r27.084
x2-y2-0.958
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.079 0.000 0.000
y 0.000 4.964 0.000
z 0.000 0.000 4.267


<r2> (average value of r2) Å2
<r2> 33.462
(<r2>)1/2 5.785