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

using model chemistry: wB97X-D/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 wB97X-D/6-31+G**
 hartrees
Energy at 0K-52.017766
Energy at 298.15K-52.020637
HF Energy-52.017766
Nuclear repulsion energy24.761116
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/6-31+G**
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 2833 2698 0.03      
2 A1 2114 2013 38.38      
3 A1 1371 1306 2.40      
4 A1 1133 1079 2.62      
5 A1 728 693 6.68      
6 A2 1277 1217 0.00      
7 A2 634 604 0.00      
8 B1 2136 2034 70.89      
9 B1 785 748 1.80      
10 B2 2793 2660 49.23      
11 B2 1361 1296 214.81      
12 B2 538 512 44.06      

Unscaled Zero Point Vibrational Energy (zpe) 8851.2 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 8429.0 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 wB97X-D/6-31+G**
ABC
6.67944 0.84247 0.81135

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.731 -0.113
B2 0.000 -0.731 -0.113
H3 0.901 0.000 0.559
H4 -0.901 0.000 0.559
H5 0.000 1.902 0.006
H6 0.000 -1.902 0.006

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46161.34081.34081.17732.6355
B21.46161.34081.34082.63551.1773
H31.34081.34081.80282.17602.1760
H41.34081.34081.80282.17602.1760
H51.17732.63552.17602.17603.8040
H62.63551.17732.17602.17603.8040

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 56.973 B1 B2 H4 56.973
B1 B2 H6 174.175 B1 H3 B2 66.054
B1 H4 B2 66.054 B2 B1 H3 56.973
B2 B1 H4 56.973 B2 B1 H5 174.175
H3 B1 H4 84.489 H3 B1 H5 119.431
H3 B2 H4 84.489 H3 B2 H6 119.431
H4 B1 H5 119.431 H4 B2 H6 119.431
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.084      
2 B -0.084      
3 H 0.053      
4 H 0.053      
5 H 0.031      
6 H 0.031      


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 1.003 1.003
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.958 0.000 0.000
y 0.000 -14.232 0.000
z 0.000 0.000 -16.692
Traceless
 xyz
x 1.504 0.000 0.000
y 0.000 1.093 0.000
z 0.000 0.000 -2.597
Polar
3z2-r2-5.194
x2-y20.274
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.546 0.000 0.000
y 0.000 6.159 0.000
z 0.000 0.000 3.819


<r2> (average value of r2) Å2
<r2> 24.382
(<r2>)1/2 4.938