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

using model chemistry: M06-2X/TZVP

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/TZVP
 hartrees
Energy at 0K-52.015477
Energy at 298.15K-52.018441
HF Energy-52.015477
Nuclear repulsion energy24.899182
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/TZVP
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 2874 2720 0.02      
2 A1 2171 2054 18.80      
3 A1 1364 1291 2.08      
4 A1 1107 1047 0.06      
5 A1 739 699 3.83      
6 A2 1365 1291 0.00      
7 A2 714 676 0.00      
8 B1 2172 2056 43.12      
9 B1 808 765 1.88      
10 B2 2836 2683 36.46      
11 B2 1415 1339 210.67      
12 B2 582 550 30.86      

Unscaled Zero Point Vibrational Energy (zpe) 9072.9 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 8584.8 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/TZVP
ABC
6.83380 0.84895 0.81750

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.731 -0.115
B2 0.000 -0.731 -0.115
H3 0.895 0.000 0.560
H4 -0.895 0.000 0.560
H5 0.000 1.895 0.015
H6 0.000 -1.895 0.015

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46211.33851.33851.17122.6292
B21.46211.33851.33852.62921.1712
H31.33851.33851.79052.16542.1654
H41.33851.33851.79052.16542.1654
H51.17122.62922.16542.16543.7899
H62.62921.17122.16542.16543.7899

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 56.894 B1 B2 H4 56.894
B1 B2 H6 173.611 B1 H3 B2 66.213
B1 H4 B2 66.213 B2 B1 H3 56.894
B2 B1 H4 56.894 B2 B1 H5 173.611
H3 B1 H4 83.959 H3 B1 H5 119.123
H3 B2 H4 83.959 H3 B2 H6 119.123
H4 B1 H5 119.123 H4 B2 H6 119.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.108      
2 B -0.108      
3 H 0.088      
4 H 0.088      
5 H 0.020      
6 H 0.020      


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 1.030 1.030
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.915 0.000 0.000
y 0.000 -14.195 0.000
z 0.000 0.000 -16.688
Traceless
 xyz
x 1.527 0.000 0.000
y 0.000 1.107 0.000
z 0.000 0.000 -2.634
Polar
3z2-r2-5.267
x2-y20.280
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.624 0.000 0.000
y 0.000 6.003 0.000
z 0.000 0.000 3.871


<r2> (average value of r2) Å2
<r2> 24.216
(<r2>)1/2 4.921