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

using model chemistry: M06-2X/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 M06-2X/6-311G*
 hartrees
Energy at 0K-52.005184
Energy at 298.15K-52.008122
HF Energy-52.005184
Nuclear repulsion energy24.840440
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 M06-2X/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 2862 2862 0.06      
2 A1 2156 2156 18.18      
3 A1 1362 1362 3.08      
4 A1 1152 1152 2.42      
5 A1 737 737 2.54      
6 A2 1316 1316 0.00      
7 A2 692 692 0.00      
8 B1 2155 2155 48.69      
9 B1 805 805 2.30      
10 B2 2821 2821 40.15      
11 B2 1370 1370 217.79      
12 B2 570 570 36.10      

Unscaled Zero Point Vibrational Energy (zpe) 8999.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8999.6 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 M06-2X/6-311G*
ABC
6.71870 0.84658 0.81695

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.731 -0.118
B2 0.000 -0.731 -0.118
H3 0.895 0.000 0.573
H4 -0.895 0.000 0.573
H5 0.000 1.895 0.017
H6 0.000 -1.895 0.017

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46271.34701.34701.17182.6302
B21.46271.34701.34702.63021.1718
H31.34701.34701.79062.16892.1689
H41.34701.34701.79062.16892.1689
H51.17182.63022.16892.16893.7908
H62.63021.17182.16892.16893.7908

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 57.114 B1 B2 H4 57.114
B1 B2 H6 173.407 B1 H3 B2 65.772
B1 H4 B2 65.772 B2 B1 H3 57.114
B2 B1 H4 57.114 B2 B1 H5 173.407
H3 B1 H4 83.313 H3 B1 H5 118.715
H3 B2 H4 83.313 H3 B2 H6 118.715
H4 B1 H5 118.715 H4 B2 H6 118.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.273      
2 B -0.273      
3 H 0.215      
4 H 0.215      
5 H 0.058      
6 H 0.058      


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 1.005 1.005
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.072 0.000 0.000
y 0.000 -14.206 0.000
z 0.000 0.000 -16.733
Traceless
 xyz
x 1.397 0.000 0.000
y 0.000 1.196 0.000
z 0.000 0.000 -2.594
Polar
3z2-r2-5.187
x2-y20.134
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.736 0.000 0.000
y 0.000 5.907 0.000
z 0.000 0.000 3.431


<r2> (average value of r2) Å2
<r2> 24.306
(<r2>)1/2 4.930