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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-52.021864
Energy at 298.15K-52.024712
HF Energy-52.021864
Nuclear repulsion energy24.708119
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 B97D3/6-311+G(3df,2p)
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 2770 2734 0.03      
2 A1 2074 2047 18.49      
3 A1 1324 1307 3.05      
4 A1 1106 1091 1.93      
5 A1 714 705 5.17      
6 A2 1224 1208 0.00      
7 A2 638 629 0.00      
8 B1 2054 2027 44.25      
9 B1 776 766 1.26      
10 B2 2732 2697 40.28      
11 B2 1320 1303 179.52      
12 B2 522 515 28.51      

Unscaled Zero Point Vibrational Energy (zpe) 8626.4 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 8514.3 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 B97D3/6-311+G(3df,2p)
ABC
6.65082 0.83754 0.80813

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.735 -0.117
B2 0.000 -0.735 -0.117
H3 0.900 0.000 0.578
H4 -0.900 0.000 0.578
H5 0.000 1.906 0.009
H6 0.000 -1.906 0.009

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47061.35441.35441.17742.6442
B21.47061.35441.35442.64421.1774
H31.35441.35441.80042.18312.1831
H41.35441.35441.80042.18312.1831
H51.17742.64422.18312.18313.8117
H62.64421.17742.18312.18313.8117

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 56.917 B1 B2 H4 56.917
B1 B2 H6 174.184 B1 H3 B2 66.166
B1 H4 B2 66.166 B2 B1 H3 56.917
B2 B1 H4 56.917 B2 B1 H5 174.184
H3 B1 H4 84.109 H3 B1 H5 119.475
H3 B2 H4 84.109 H3 B2 H6 119.475
H4 B1 H5 119.475 H4 B2 H6 119.475
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.369      
2 B -0.369      
3 H 0.178      
4 H 0.178      
5 H 0.190      
6 H 0.190      


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 0.794 0.794
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.116 0.000 0.000
y 0.000 -14.292 0.000
z 0.000 0.000 -16.657
Traceless
 xyz
x 1.358 0.000 0.000
y 0.000 1.094 0.000
z 0.000 0.000 -2.452
Polar
3z2-r2-4.905
x2-y20.176
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.363 0.000 0.000
y 0.000 6.295 0.000
z 0.000 0.000 4.865


<r2> (average value of r2) Å2
<r2> 24.480
(<r2>)1/2 4.948