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

using model chemistry: HSEh1PBE/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-51.973935
Energy at 298.15K-51.976868
HF Energy-51.973935
Nuclear repulsion energy24.850997
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/aug-cc-pVTZ
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 2720 0.06      
2 A1 2124 2042 14.54      
3 A1 1363 1311 3.28      
4 A1 1111 1069 1.19      
5 A1 731 703 5.10      
6 A2 1297 1247 0.00      
7 A2 685 659 0.00      
8 B1 2130 2048 36.93      
9 B1 792 762 1.29      
10 B2 2788 2681 31.86      
11 B2 1365 1313 186.49      
12 B2 571 549 28.60      

Unscaled Zero Point Vibrational Energy (zpe) 8891.8 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 8552.1 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/aug-cc-pVTZ
ABC
6.71488 0.84884 0.81817

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.730 -0.116
B2 0.000 -0.730 -0.116
H3 0.899 0.000 0.573
H4 -0.899 0.000 0.573
H5 0.000 1.898 0.005
H6 0.000 -1.898 0.005

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.45901.34681.34681.17432.6299
B21.45901.34681.34682.62991.1743
H31.34681.34681.79712.17522.1752
H41.34681.34681.79712.17522.1752
H51.17432.62992.17522.17523.7954
H62.62991.17432.17522.17523.7954

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 57.203 B1 B2 H4 57.203
B1 B2 H6 174.121 B1 H3 B2 65.594
B1 H4 B2 65.594 B2 B1 H3 57.203
B2 B1 H4 57.203 B2 B1 H5 174.121
H3 B1 H4 83.700 H3 B1 H5 119.107
H3 B2 H4 83.700 H3 B2 H6 119.107
H4 B1 H5 119.107 H4 B2 H6 119.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.173      
2 B -0.173      
3 H 0.168      
4 H 0.168      
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 0.844 0.844
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.010 0.000 0.000
y 0.000 -14.077 0.000
z 0.000 0.000 -16.562
Traceless
 xyz
x 1.309 0.000 0.000
y 0.000 1.209 0.000
z 0.000 0.000 -2.519
Polar
3z2-r2-5.037
x2-y20.067
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.300 0.000 0.000
y 0.000 6.092 0.000
z 0.000 0.000 4.700


<r2> (average value of r2) Å2
<r2> 24.225
(<r2>)1/2 4.922