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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-51.952280
Energy at 298.15K-51.955142
HF Energy-51.952280
Nuclear repulsion energy24.711270
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 PBEPBE/Def2TZVPP
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 2769 2735 0.01      
2 A1 2076 2051 12.64      
3 A1 1330 1314 2.25      
4 A1 1077 1064 0.38      
5 A1 704 696 5.32      
6 A2 1264 1249 0.00      
7 A2 670 662 0.00      
8 B1 2080 2055 32.67      
9 B1 770 760 0.87      
10 B2 2729 2696 27.12      
11 B2 1321 1305 156.61      
12 B2 533 527 23.67      

Unscaled Zero Point Vibrational Energy (zpe) 8661.3 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 8556.5 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 PBEPBE/Def2TZVPP
ABC
6.65082 0.83864 0.80851

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.732 -0.114
B2 0.000 -0.732 -0.114
H3 0.901 0.000 0.558
H4 -0.901 0.000 0.558
H5 0.000 1.906 0.010
H6 0.000 -1.906 0.010

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46391.34151.34151.18032.6406
B21.46391.34151.34152.64061.1803
H31.34151.34151.80282.17822.1782
H41.34151.34151.80282.17822.1782
H51.18032.64062.17822.17823.8115
H62.64061.18032.17822.17823.8115

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 56.932 B1 B2 H4 56.932
B1 B2 H6 173.980 B1 H3 B2 66.136
B1 H4 B2 66.136 B2 B1 H3 56.932
B2 B1 H4 56.932 B2 B1 H5 173.980
H3 B1 H4 84.437 H3 B1 H5 119.348
H3 B2 H4 84.437 H3 B2 H6 119.348
H4 B1 H5 119.348 H4 B2 H6 119.348
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.147      
2 B -0.147      
3 H 0.080      
4 H 0.080      
5 H 0.067      
6 H 0.067      


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 0.893 0.893
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.085 0.000 0.000
y 0.000 -14.229 0.000
z 0.000 0.000 -16.684
Traceless
 xyz
x 1.372 0.000 0.000
y 0.000 1.155 0.000
z 0.000 0.000 -2.527
Polar
3z2-r2-5.053
x2-y20.144
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.102 0.000 0.000
y 0.000 6.275 0.000
z 0.000 0.000 4.457


<r2> (average value of r2) Å2
<r2> 24.465
(<r2>)1/2 4.946