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

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 C2V 1A1
Energy calculated at HSEh1PBE/STO-3G
 hartrees
Energy at 0K-51.294489
Energy at 298.15K-51.296925
HF Energy-51.294489
Nuclear repulsion energy24.955848
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 A1 3234 2856 0.25      
2 A1 2370 2093 4.69      
3 A1 1546 1365 9.31      
4 A1 1406 1242 2.63      
5 A1 834 736 6.99      
6 A2 1229 1086 0.00      
7 A2 348 307 0.00      
8 B1 2397 2117 17.79      
9 B1 888 784 18.34      
10 B2 3178 2807 18.74      
11 B2 1286 1136 154.33      
12 B2 385 340 148.54      

Unscaled Zero Point Vibrational Energy (zpe) 9550.3 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 8433.9 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
6.37348 0.86695 0.83971

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.718 -0.116
B2 0.000 -0.718 -0.116
H3 0.901 0.000 0.623
H4 -0.901 0.000 0.623
H5 0.000 1.874 -0.044
H6 0.000 -1.874 -0.044

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.43651.36891.36891.15792.5932
B21.43651.36891.36892.59321.1579
H31.36891.36891.80292.18362.1836
H41.36891.36891.80292.18362.1836
H51.15792.59322.18362.18363.7478
H62.59321.15792.18362.18363.7478

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 58.350 B1 B2 H4 58.350
B1 B2 H6 176.433 B1 H3 B2 63.299
B1 H4 B2 63.299 B2 B1 H3 58.350
B2 B1 H4 58.350 B2 B1 H5 176.433
H3 B1 H4 82.376 H3 B1 H5 119.350
H3 B2 H4 82.376 H3 B2 H6 119.350
H4 B1 H5 119.350 H4 B2 H6 119.350
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 -0.029      
2 B -0.029      
3 H 0.034      
4 H 0.034      
5 H -0.005      
6 H -0.005      


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 1.173 1.173
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.706 0.000 0.000
y 0.000 -13.569 0.000
z 0.000 0.000 -13.873
Traceless
 xyz
x 1.015 0.000 0.000
y 0.000 -0.280 0.000
z 0.000 0.000 -0.735
Polar
3z2-r2-1.470
x2-y20.863
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.406 0.000 0.000
y 0.000 3.135 0.000
z 0.000 0.000 1.034


<r2> (average value of r2) Å2
<r2> 23.079
(<r2>)1/2 4.804