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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-51.998891
Energy at 298.15K-52.001690
HF Energy-51.998891
Nuclear repulsion energy24.594463
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 B97D3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2799 2744 0.09      
2 A1 2084 2043 29.88      
3 A1 1343 1317 3.15      
4 A1 1156 1133 4.83      
5 A1 719 705 0.59      
6 A2 1208 1184 0.00      
7 A2 612 600 0.00      
8 B1 2081 2040 85.87      
9 B1 789 773 2.49      
10 B2 2762 2707 50.53      
11 B2 1299 1273 183.54      
12 B2 486 477 36.43      

Unscaled Zero Point Vibrational Energy (zpe) 8668.1 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 8498.3 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 B97D3/6-31G*
ABC
6.54872 0.83050 0.80214

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.738 -0.122
B2 0.000 -0.738 -0.122
H3 0.904 0.000 0.582
H4 -0.904 0.000 0.582
H5 0.000 1.913 0.027
H6 0.000 -1.913 0.027

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47611.36231.36231.18442.6552
B21.47611.36231.36232.65521.1844
H31.36231.36231.80732.18732.1873
H41.36231.36231.80732.18732.1873
H51.18442.65522.18732.18733.8261
H62.65521.18442.18732.18733.8261

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 56.889 B1 B2 H4 56.889
B1 B2 H6 173.394 B1 H3 B2 66.222
B1 H4 B2 66.222 B2 B1 H3 56.889
B2 B1 H4 56.889 B2 B1 H5 173.394
H3 B1 H4 84.081 H3 B1 H5 118.997
H3 B2 H4 84.081 H3 B2 H6 118.997
H4 B1 H5 118.997 H4 B2 H6 118.997
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.131      
2 B -0.131      
3 H 0.090      
4 H 0.090      
5 H 0.041      
6 H 0.041      


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 1.027 1.027
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.603 0.000 0.000
y 0.000 -13.978 0.000
z 0.000 0.000 -15.950
Traceless
 xyz
x 1.361 0.000 0.000
y 0.000 0.799 0.000
z 0.000 0.000 -2.160
Polar
3z2-r2-4.320
x2-y20.375
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.303 0.000 0.000
y 0.000 5.667 0.000
z 0.000 0.000 2.808


<r2> (average value of r2) Å2
<r2> 24.288
(<r2>)1/2 4.928