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

using model chemistry: wB97X-D/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 wB97X-D/6-311G*
 hartrees
Energy at 0K-52.020223
Energy at 298.15K-52.023093
HF Energy-52.020223
Nuclear repulsion energy 
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 wB97X-D/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 2818 2818 0.04      
2 A1 2072 2072 31.75      
3 A1 1366 1366 3.37      
4 A1 1164 1164 4.92      
5 A1 736 736 5.00      
6 A2 1225 1225 0.00      
7 A2 610 610 0.00      
8 B1 2086 2086 67.48      
9 B1 776 776 1.33      
10 B2 2775 2775 46.30      
11 B2 1312 1312 213.61      
12 B2 561 561 49.00      

Unscaled Zero Point Vibrational Energy (zpe) 8750.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8750.2 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 wB97X-D/6-311G*
ABC
6.55136 0.84463 0.81524

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.730 -0.118
B2 0.000 -0.730 -0.118
H3 0.904 0.000 0.588
H4 -0.904 0.000 0.588
H5 0.000 1.901 0.002
H6 0.000 -1.901 0.002

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46101.35961.35961.17632.6340
B21.46101.35961.35962.63401.1763
H31.35961.35961.80752.18482.1848
H41.35961.35961.80752.18482.1848
H51.17632.63402.18482.18483.8015
H62.63401.17632.18482.18483.8015

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 57.502 B1 B2 H4 57.502
B1 B2 H6 174.172 B1 H3 B2 64.995
B1 H4 B2 64.995 B2 B1 H3 57.502
B2 B1 H4 57.502 B2 B1 H5 174.172
H3 B1 H4 83.318 H3 B1 H5 118.802
H3 B2 H4 83.318 H3 B2 H6 118.802
H4 B1 H5 118.802 H4 B2 H6 118.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.259      
2 B -0.259      
3 H 0.205      
4 H 0.205      
5 H 0.055      
6 H 0.055      


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 0.992 0.992
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.092 0.000 0.000
y 0.000 -14.125 0.000
z 0.000 0.000 -16.692
Traceless
 xyz
x 1.316 0.000 0.000
y 0.000 1.268 0.000
z 0.000 0.000 -2.584
Polar
3z2-r2-5.168
x2-y20.032
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.838 0.000 0.000
y 0.000 6.009 0.000
z 0.000 0.000 3.537


<r2> (average value of r2) Å2
<r2> 24.376
(<r2>)1/2 4.937