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

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G*
 hartrees
Energy at 0K-51.954979
Energy at 298.15K-51.957880
HF Energy-51.954979
Nuclear repulsion energy24.753328
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 PBE1PBE/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 2819 2702 0.03      
2 A1 2107 2020 20.38      
3 A1 1368 1312 2.95      
4 A1 1159 1111 3.29      
5 A1 728 698 3.14      
6 A2 1249 1197 0.00      
7 A2 661 634 0.00      
8 B1 2116 2028 49.46      
9 B1 790 757 2.01      
10 B2 2777 2661 37.74      
11 B2 1319 1264 195.64      
12 B2 560 537 37.79      

Unscaled Zero Point Vibrational Energy (zpe) 8826.0 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 8459.7 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 PBE1PBE/6-311G*
ABC
6.57537 0.84397 0.81521

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.731 -0.120
B2 0.000 -0.731 -0.120
H3 0.900 0.000 0.586
H4 -0.900 0.000 0.586
H5 0.000 1.901 0.011
H6 0.000 -1.901 0.011

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46181.35761.35761.17722.6349
B21.46181.35761.35762.63491.1772
H31.35761.35761.80092.18042.1804
H41.35761.35761.80092.18042.1804
H51.17722.63492.18042.18043.8015
H62.63491.17722.18042.18043.8015

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 57.428 B1 B2 H4 57.428
B1 B2 H6 173.609 B1 H3 B2 65.144
B1 H4 B2 65.144 B2 B1 H3 57.428
B2 B1 H4 57.428 B2 B1 H5 173.609
H3 B1 H4 83.095 H3 B1 H5 118.499
H3 B2 H4 83.095 H3 B2 H6 118.499
H4 B1 H5 118.499 H4 B2 H6 118.499
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.266      
2 B -0.266      
3 H 0.221      
4 H 0.221      
5 H 0.045      
6 H 0.045      


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 1.011 1.011
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.065 0.000 0.000
y 0.000 -14.124 0.000
z 0.000 0.000 -16.677
Traceless
 xyz
x 1.335 0.000 0.000
y 0.000 1.247 0.000
z 0.000 0.000 -2.582
Polar
3z2-r2-5.164
x2-y20.059
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.786 0.000 0.000
y 0.000 5.957 0.000
z 0.000 0.000 3.510


<r2> (average value of r2) Å2
<r2> 24.361
(<r2>)1/2 4.936