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

using model chemistry: M06-2X/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-52.001136
Energy at 298.15K-52.004058
HF Energy-52.001136
Nuclear repulsion energy24.818232
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/6-31+G**
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 2884 2746 0.04      
2 A1 2164 2061 26.41      
3 A1 1365 1300 2.86      
4 A1 1115 1061 1.35      
5 A1 732 697 3.72      
6 A2 1349 1285 0.00      
7 A2 699 665 0.00      
8 B1 2172 2068 59.95      
9 B1 808 770 2.27      
10 B2 2845 2709 45.84      
11 B2 1401 1334 223.29      
12 B2 546 519 35.99      

Unscaled Zero Point Vibrational Energy (zpe) 9039.1 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 8607.0 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/6-31+G**
ABC
6.80251 0.84260 0.81177

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.734 -0.116
B2 0.000 -0.734 -0.116
H3 0.896 0.000 0.562
H4 -0.896 0.000 0.562
H5 0.000 1.901 0.018
H6 0.000 -1.901 0.018

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46821.34221.34221.17422.6381
B21.46821.34221.34222.63811.1742
H31.34221.34221.79242.17072.1707
H41.34221.34221.79242.17072.1707
H51.17422.63812.17072.17073.8013
H62.63811.17422.17072.17073.8013

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 56.842 B1 B2 H4 56.842
B1 B2 H6 173.473 B1 H3 B2 66.315
B1 H4 B2 66.315 B2 B1 H3 56.842
B2 B1 H4 56.842 B2 B1 H5 173.473
H3 B1 H4 83.784 H3 B1 H5 119.078
H3 B2 H4 83.784 H3 B2 H6 119.078
H4 B1 H5 119.078 H4 B2 H6 119.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.082      
2 B -0.082      
3 H 0.052      
4 H 0.052      
5 H 0.030      
6 H 0.030      


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 0.990 0.990
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.999 0.000 0.000
y 0.000 -14.331 0.000
z 0.000 0.000 -16.750
Traceless
 xyz
x 1.542 0.000 0.000
y 0.000 1.043 0.000
z 0.000 0.000 -2.585
Polar
3z2-r2-5.170
x2-y20.333
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.509 0.000 0.000
y 0.000 6.124 0.000
z 0.000 0.000 3.743


<r2> (average value of r2) Å2
<r2> 24.372
(<r2>)1/2 4.937