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All results from a given calculation for B2H6 (Diborane)

using model chemistry: HSEh1PBE/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-53.202857
Energy at 298.15K-53.208706
HF Energy-53.202857
Nuclear repulsion energy32.104236
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/6-31+G**
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 2634 2515 0.00 264.63 0.12 0.21
2 Ag 2213 2113 0.00 87.81 0.07 0.13
3 Ag 1193 1139 0.00 11.31 0.70 0.82
4 Ag 822 784 0.00 17.20 0.21 0.34
5 Au 850 812 0.00 0.00 0.00 0.00
6 B1g 2710 2588 0.00 124.55 0.75 0.86
7 B1g 935 892 0.00 1.39 0.75 0.86
8 B1u 2056 1963 7.80 0.00 0.00 0.00
9 B1u 984 940 14.81 0.00 0.00 0.00
10 B2g 1893 1808 0.00 4.82 0.75 0.86
11 B2g 899 858 0.00 4.18 0.75 0.86
12 B2u 2725 2602 190.39 0.00 0.00 0.00
13 B2u 925 883 0.46 0.00 0.00 0.00
14 B2u 336 320 13.53 0.00 0.00 0.00
15 B3g 1007 962 0.00 22.26 0.75 0.86
16 B3u 2619 2500 156.32 0.00 0.00 0.00
17 B3u 1725 1647 428.67 0.00 0.00 0.00
18 B3u 1186 1132 65.62 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 13854.6 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 13228.4 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 HSEh1PBE/6-31+G**
ABC
2.66635 0.61452 0.56440

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.877 0.000 0.000
B2 -0.877 0.000 0.000
H3 0.000 0.000 0.982
H4 0.000 0.000 -0.982
H5 1.457 1.042 0.000
H6 1.457 -1.042 0.000
H7 -1.457 1.042 0.000
H8 -1.457 -1.042 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75381.31641.31641.19281.19282.55612.5561
B21.75381.31641.31642.55612.55611.19281.1928
H31.31641.31641.96382.04292.04292.04292.0429
H41.31641.31641.96382.04292.04292.04292.0429
H51.19282.55612.04292.04292.08452.91413.5828
H61.19282.55612.04292.04292.08453.58282.9141
H72.55611.19282.04292.04292.91413.58282.0845
H82.55611.19282.04292.04293.58282.91412.0845

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 83.534 B1 H4 B2 83.534
H3 B1 H4 96.466 H3 B1 H5 108.903
H3 B1 H6 108.903 H3 B2 H4 96.466
H3 B2 H7 108.903 H3 B2 H8 108.903
H4 B1 H5 108.903 H4 B1 H6 108.903
H4 B2 H7 108.903 H4 B2 H8 108.903
H5 B1 H6 121.797 H7 B2 H8 121.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.109      
2 B -0.109      
3 H 0.066      
4 H 0.066      
5 H 0.022      
6 H 0.022      
7 H 0.022      
8 H 0.022      


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 -18.830 0.000 0.000
y 0.000 -17.887 0.000
z 0.000 0.000 -14.879
Traceless
 xyz
x -2.448 0.000 0.000
y 0.000 -1.032 0.000
z 0.000 0.000 3.480
Polar
3z2-r26.959
x2-y2-0.944
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.734 0.000 0.000
y 0.000 4.461 0.000
z 0.000 0.000 3.402


<r2> (average value of r2) Å2
<r2> 33.196
(<r2>)1/2 5.762