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

using model chemistry: wB97X-D/STO-3G

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/STO-3G
 hartrees
Energy at 0K-51.357364
Energy at 298.15K 
HF Energy-51.357364
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/STO-3G
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 3241 3241 0.26      
2 A1 2358 2358 6.70      
3 A1 1552 1552 10.41      
4 A1 1416 1416 4.22      
5 A1 840 840 7.43      
6 A2 1216 1216 0.00      
7 A2 122i 122i 0.00      
8 B1 2381 2381 24.18      
9 B1 881 881 18.90      
10 B2 3185 3185 17.47      
11 B2 1284 1284 165.89      
12 B2 344 344 174.86      

Unscaled Zero Point Vibrational Energy (zpe) 9288.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9288.3 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 wB97X-D/STO-3G
ABC
6.32070 0.86634 0.83933

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.718 -0.115
B2 0.000 -0.718 -0.115
H3 0.904 0.000 0.629
H4 -0.904 0.000 0.629
H5 0.000 1.875 -0.055
H6 0.000 -1.875 -0.055

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.43611.37301.37301.15852.5937
B21.43611.37301.37302.59371.1585
H31.37301.37301.80772.19072.1907
H41.37301.37301.80772.19072.1907
H51.15852.59372.19072.19073.7499
H62.59371.15852.19072.19073.7499

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 58.468 B1 B2 H4 58.468
B1 B2 H6 177.029 B1 H3 B2 63.064
B1 H4 B2 63.064 B2 B1 H3 58.468
B2 B1 H4 58.468 B2 B1 H5 177.029
H3 B1 H4 82.343 H3 B1 H5 119.618
H3 B2 H4 82.343 H3 B2 H6 119.618
H4 B1 H5 119.618 H4 B2 H6 119.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.012      
2 B -0.012      
3 H 0.021      
4 H 0.021      
5 H -0.009      
6 H -0.009      


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 1.130 1.130
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.772 0.000 0.000
y 0.000 -13.620 0.000
z 0.000 0.000 -13.888
Traceless
 xyz
x 0.982 0.000 0.000
y 0.000 -0.290 0.000
z 0.000 0.000 -0.692
Polar
3z2-r2-1.384
x2-y20.847
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.413 0.000 0.000
y 0.000 3.155 0.000
z 0.000 0.000 1.040


<r2> (average value of r2) Å2
<r2> 23.134
(<r2>)1/2 4.810