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All results from a given calculation for HBHHBH (Diborane(4) C2V)

using model chemistry: HSEh1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/6-311G**
 hartrees
Energy at 0K-51.967009
Energy at 298.15K-51.969926
HF Energy-51.967009
Nuclear repulsion energy24.792535
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/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2828 2716 0.02      
2 A1 2106 2022 18.14      
3 A1 1364 1310 2.92      
4 A1 1118 1073 2.90      
5 A1 731 703 4.22      
6 A2 1275 1225 0.00      
7 A2 672 646 0.00      
8 B1 2115 2032 45.22      
9 B1 793 762 1.49      
10 B2 2787 2677 31.68      
11 B2 1343 1290 189.08      
12 B2 564 541 36.59      

Unscaled Zero Point Vibrational Energy (zpe) 8848.0 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 8497.6 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/6-311G**
ABC
6.64747 0.84552 0.81550

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.731 -0.117
B2 0.000 -0.731 -0.117
H3 0.901 0.000 0.579
H4 -0.901 0.000 0.579
H5 0.000 1.900 0.004
H6 0.000 -1.900 0.004

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46181.35251.35251.17502.6333
B21.46181.35251.35252.63331.1750
H31.35251.35251.80132.17962.1796
H41.35251.35251.80132.17962.1796
H51.17502.63332.17962.17963.7993
H62.63331.17502.17962.17963.7993

picture of Diborane(4) C2V state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 H3 57.290 B1 B2 H4 57.290
B1 B2 H6 174.111 B1 H3 B2 65.421
B1 H4 B2 65.421 B2 B1 H3 57.290
B2 B1 H4 57.290 B2 B1 H5 174.111
H3 B1 H4 83.499 H3 B1 H5 118.997
H3 B2 H4 83.499 H3 B2 H6 118.997
H4 B1 H5 118.997 H4 B2 H6 118.997
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.141      
2 B -0.141      
3 H 0.125      
4 H 0.125      
5 H 0.016      
6 H 0.016      


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 1.020 1.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.014 0.000 0.000
y 0.000 -14.055 0.000
z 0.000 0.000 -16.622
Traceless
 xyz
x 1.325 0.000 0.000
y 0.000 1.263 0.000
z 0.000 0.000 -2.588
Polar
3z2-r2-5.175
x2-y20.042
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.823 0.000 0.000
y 0.000 5.991 0.000
z 0.000 0.000 3.538


<r2> (average value of r2) Å2
<r2> 24.293
(<r2>)1/2 4.929