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All results from a given calculation for B2H6 (Diborane)

using model chemistry: HSEh1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-52.555941
Energy at 298.15K-52.561763
HF Energy-52.555941
Nuclear repulsion energy32.053598
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/STO-3G
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 3049 2693 0.00 59.79 0.17 0.29
2 Ag 2363 2087 0.00 35.66 0.24 0.39
3 Ag 1338 1182 0.00 17.36 0.74 0.85
4 Ag 854 754 0.00 11.23 0.42 0.59
5 Au 939 829 0.00 0.00 0.00 0.00
6 B1g 3202 2828 0.00 42.89 0.75 0.86
7 B1g 1024 905 0.00 7.07 0.75 0.86
8 B1u 2255 1991 0.83 0.00 0.00 0.00
9 B1u 1101 972 43.09 0.00 0.00 0.00
10 B2g 1882 1662 0.00 9.03 0.75 0.86
11 B2g 938 829 0.00 0.42 0.75 0.86
12 B2u 3204 2830 1.63 0.00 0.00 0.00
13 B2u 1057 933 0.00 0.00 0.00 0.00
14 B2u 362 320 20.49 0.00 0.00 0.00
15 B3g 1199 1059 0.00 17.01 0.75 0.86
16 B3u 3048 2691 9.73 0.00 0.00 0.00
17 B3u 1703 1504 558.61 0.00 0.00 0.00
18 B3u 1330 1174 95.40 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 15423.3 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 13620.3 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/STO-3G
ABC
2.72484 0.59880 0.55500

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.895 0.000 0.000
B2 -0.895 0.000 0.000
H3 0.000 0.000 0.992
H4 0.000 0.000 -0.992
H5 1.456 1.021 0.000
H6 1.456 -1.021 0.000
H7 -1.456 1.021 0.000
H8 -1.456 -1.021 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.78921.33561.33561.16541.16542.56302.5630
B21.78921.33561.33562.56302.56301.16541.1654
H31.33561.33561.98352.03642.03642.03642.0364
H41.33561.33561.98352.03642.03642.03642.0364
H51.16542.56302.03642.03642.04242.91233.5571
H61.16542.56302.03642.03642.04243.55712.9123
H72.56301.16542.03642.03642.91233.55712.0424
H82.56301.16542.03642.03643.55712.91232.0424

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 108.828
H3 B1 H6 108.828 H3 B2 H4 95.897
H3 B2 H7 108.828 H3 B2 H8 108.828
H4 B1 H5 108.828 H4 B1 H6 108.828
H4 B2 H7 108.828 H4 B2 H8 108.828
H5 B1 H6 122.391 H7 B2 H8 122.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.020      
2 B -0.020      
3 H 0.041      
4 H 0.041      
5 H -0.011      
6 H -0.011      
7 H -0.011      
8 H -0.011      


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 -17.712 0.000 0.000
y 0.000 -16.111 0.000
z 0.000 0.000 -14.011
Traceless
 xyz
x -2.651 0.000 0.000
y 0.000 -0.250 0.000
z 0.000 0.000 2.900
Polar
3z2-r25.800
x2-y2-1.601
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.863 0.000 0.000
y 0.000 1.791 0.000
z 0.000 0.000 1.519


<r2> (average value of r2) Å2
<r2> 32.582
(<r2>)1/2 5.708