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

using model chemistry: LSDA/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/cc-pVDZ
 hartrees
Energy at 0K-51.676074
Energy at 298.15K-51.678931
HF Energy-51.676074
Nuclear repulsion energy24.496526
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 LSDA/cc-pVDZ
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 2773 2742 0.02      
2 A1 2088 2065 9.06      
3 A1 1347 1332 1.53      
4 A1 1060 1048 0.30      
5 A1 687 679 4.77      
6 A2 1256 1242 0.00      
7 A2 681 673 0.00      
8 B1 2108 2085 24.92      
9 B1 753 745 0.67      
10 B2 2728 2698 13.85      
11 B2 1293 1279 143.18      
12 B2 539 533 24.91      

Unscaled Zero Point Vibrational Energy (zpe) 8655.7 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 8560.5 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 LSDA/cc-pVDZ
ABC
6.49708 0.82519 0.79698

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.739 -0.121
B2 0.000 -0.739 -0.121
H3 0.907 0.000 0.586
H4 -0.907 0.000 0.586
H5 0.000 1.925 0.020
H6 0.000 -1.925 0.020

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47781.36711.36711.19482.6680
B21.47781.36711.36712.66801.1948
H31.36711.36711.81442.20232.2023
H41.36711.36711.81442.20232.2023
H51.19482.66802.20232.20233.8506
H62.66801.19482.20232.20233.8506

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 57.284 B1 B2 H4 57.284
B1 B2 H6 173.210 B1 H3 B2 65.433
B1 H4 B2 65.433 B2 B1 H3 57.284
B2 B1 H4 57.284 B2 B1 H5 173.210
H3 B1 H4 83.149 H3 B1 H5 118.395
H3 B2 H4 83.149 H3 B2 H6 118.395
H4 B1 H5 118.395 H4 B2 H6 118.395
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.245      
2 B -0.245      
3 H 0.157      
4 H 0.157      
5 H 0.088      
6 H 0.088      


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 1.109 1.109
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.012 0.000 0.000
y 0.000 -13.903 0.000
z 0.000 0.000 -16.604
Traceless
 xyz
x 1.241 0.000 0.000
y 0.000 1.404 0.000
z 0.000 0.000 -2.646
Polar
3z2-r2-5.291
x2-y2-0.109
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.839 0.000 0.000
y 0.000 6.186 0.000
z 0.000 0.000 3.428


<r2> (average value of r2) Å2
<r2> 24.622
(<r2>)1/2 4.962