return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: wB97X-D/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 wB97X-D/6-31G**
 hartrees
Energy at 0K-52.015053
Energy at 298.15K-52.017937
HF Energy-52.015053
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/6-31G**
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 2839 2839 0.22      
2 A1 2113 2113 29.94      
3 A1 1377 1377 3.06      
4 A1 1145 1145 4.49      
5 A1 738 738 1.59      
6 A2 1273 1273 0.00      
7 A2 635 635 0.00      
8 B1 2136 2136 80.13      
9 B1 792 792 2.15      
10 B2 2799 2799 42.42      
11 B2 1358 1358 206.19      
12 B2 549 549 42.52      

Unscaled Zero Point Vibrational Energy (zpe) 8876.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8876.1 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/6-31G**
ABC
6.66880 0.84319 0.81283

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.732 -0.117
B2 0.000 -0.732 -0.117
H3 0.901 0.000 0.574
H4 -0.901 0.000 0.574
H5 0.000 1.903 0.010
H6 0.000 -1.903 0.010

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46451.35131.35131.17712.6378
B21.46451.35131.35132.63781.1771
H31.35131.35131.80262.17942.1794
H41.35131.35131.80262.17942.1794
H51.17712.63782.17942.17943.8050
H62.63781.17712.17942.17943.8050

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 57.187 B1 B2 H4 57.187
B1 B2 H6 173.798 B1 H3 B2 65.627
B1 H4 B2 65.627 B2 B1 H3 57.187
B2 B1 H4 57.187 B2 B1 H5 173.798
H3 B1 H4 83.672 H3 B1 H5 118.914
H3 B2 H4 83.672 H3 B2 H6 118.914
H4 B1 H5 118.914 H4 B2 H6 118.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.085      
2 B -0.085      
3 H 0.050      
4 H 0.050      
5 H 0.035      
6 H 0.035      


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 1.024 1.024
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.600 0.000 0.000
y 0.000 -13.874 0.000
z 0.000 0.000 -15.981
Traceless
 xyz
x 1.327 0.000 0.000
y 0.000 0.917 0.000
z 0.000 0.000 -2.244
Polar
3z2-r2-4.488
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 3.295 0.000 0.000
y 0.000 5.624 0.000
z 0.000 0.000 2.800


<r2> (average value of r2) Å2
<r2> 24.069
(<r2>)1/2 4.906