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

using model chemistry: B3LYP/aug-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 B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-52.041288
Energy at 298.15K-52.044155
HF Energy-52.041288
Nuclear repulsion energy24.627002
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 B3LYP/aug-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 2832 2748 0.20      
2 A1 2062 2001 21.73      
3 A1 1362 1322 3.34      
4 A1 1112 1079 2.59      
5 A1 730 708 5.03      
6 A2 1221 1184 0.00      
7 A2 623 605 0.00      
8 B1 2073 2011 50.09      
9 B1 795 772 0.94      
10 B2 2789 2707 33.00      
11 B2 1311 1272 192.02      
12 B2 533 517 39.84      

Unscaled Zero Point Vibrational Energy (zpe) 8720.5 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 8462.4 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 B3LYP/aug-cc-pVDZ
ABC
6.54584 0.83418 0.80458

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.736 -0.116
B2 0.000 -0.736 -0.116
H3 0.907 0.000 0.587
H4 -0.907 0.000 0.587
H5 0.000 1.910 -0.008
H6 0.000 -1.910 -0.008

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47281.36351.36351.17842.6485
B21.47281.36351.36352.64851.1784
H31.36351.36351.81462.19662.1966
H41.36351.36351.81462.19662.1966
H51.17842.64852.19662.19663.8197
H62.64851.17842.19662.19663.8197

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 57.311 B1 B2 H4 57.311
B1 B2 H6 174.770 B1 H3 B2 65.377
B1 H4 B2 65.377 B2 B1 H3 57.311
B2 B1 H4 57.311 B2 B1 H5 174.770
H3 B1 H4 83.430 H3 B1 H5 119.397
H3 B2 H4 83.430 H3 B2 H6 119.397
H4 B1 H5 119.397 H4 B2 H6 119.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -1.242      
2 B -1.242      
3 H 0.636      
4 H 0.636      
5 H 0.606      
6 H 0.606      


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 0.775 0.775
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.265 0.000 0.000
y 0.000 -14.377 0.000
z 0.000 0.000 -16.768
Traceless
 xyz
x 1.308 0.000 0.000
y 0.000 1.140 0.000
z 0.000 0.000 -2.447
Polar
3z2-r2-4.894
x2-y20.112
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.409 0.000 0.000
y 0.000 6.219 0.000
z 0.000 0.000 4.800


<r2> (average value of r2) Å2
<r2> 24.642
(<r2>)1/2 4.964