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

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-52.016880
Energy at 298.15K-52.019709
HF Energy-52.016880
Nuclear repulsion energy24.637113
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 B97D3/6-311G**
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 2774 2734 0.03      
2 A1 2047 2018 23.89      
3 A1 1324 1305 2.91      
4 A1 1107 1091 4.55      
5 A1 714 703 3.75      
6 A2 1205 1188 0.00      
7 A2 623 614 0.00      
8 B1 2039 2010 57.31      
9 B1 779 768 1.71      
10 B2 2735 2696 40.19      
11 B2 1293 1275 179.85      
12 B2 511 504 36.54      

Unscaled Zero Point Vibrational Energy (zpe) 8575.3 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 8452.6 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 B97D3/6-311G**
ABC
6.57175 0.83354 0.80481

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.737 -0.119
B2 0.000 -0.737 -0.119
H3 0.903 0.000 0.584
H4 -0.903 0.000 0.584
H5 0.000 1.909 0.009
H6 0.000 -1.909 0.009

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47401.36121.36121.17852.6487
B21.47401.36121.36122.64871.1785
H31.36121.36121.80602.18852.1885
H41.36121.36121.80602.18852.1885
H51.17852.64872.18852.18853.8172
H62.64871.17852.18852.18853.8172

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 56.945 B1 B2 H4 56.945
B1 B2 H6 174.194 B1 H3 B2 66.111
B1 H4 B2 66.111 B2 B1 H3 56.945
B2 B1 H4 56.945 B2 B1 H5 174.194
H3 B1 H4 84.058 H3 B1 H5 119.449
H3 B2 H4 84.058 H3 B2 H6 119.449
H4 B1 H5 119.449 H4 B2 H6 119.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.093      
2 B -0.093      
3 H 0.107      
4 H 0.107      
5 H -0.014      
6 H -0.014      


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 0.971 0.971
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.083 0.000 0.000
y 0.000 -14.231 0.000
z 0.000 0.000 -16.622
Traceless
 xyz
x 1.344 0.000 0.000
y 0.000 1.122 0.000
z 0.000 0.000 -2.466
Polar
3z2-r2-4.932
x2-y20.148
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.919 0.000 0.000
y 0.000 6.159 0.000
z 0.000 0.000 3.634


<r2> (average value of r2) Å2
<r2> 24.527
(<r2>)1/2 4.953