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

using model chemistry: HSEh1PBE/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/6-31G
 hartrees
Energy at 0K-51.925717
Energy at 298.15K-51.928422
HF Energy-51.925717
Nuclear repulsion energy24.612569
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 HSEh1PBE/6-31G
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 2876 2751 0.01      
2 A1 2060 1971 28.68      
3 A1 1367 1308 4.46      
4 A1 1136 1087 7.33      
5 A1 719 688 2.18      
6 A2 1196 1144 0.00      
7 A2 559 535 0.00      
8 B1 2057 1967 78.58      
9 B1 805 770 0.56      
10 B2 2833 2710 34.31      
11 B2 1243 1189 183.68      
12 B2 407 390 81.82      

Unscaled Zero Point Vibrational Energy (zpe) 8628.2 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 8253.7 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 HSEh1PBE/6-31G
ABC
6.44932 0.83704 0.80481

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.736 -0.115
B2 0.000 -0.736 -0.115
H3 0.921 0.000 0.583
H4 -0.921 0.000 0.583
H5 0.000 1.906 -0.007
H6 0.000 -1.906 -0.007

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47131.36981.36981.17502.6435
B21.47131.36981.36982.64351.1750
H31.36981.36981.84232.19702.1970
H41.36981.36981.84232.19702.1970
H51.17502.64352.19702.19703.8113
H62.64351.17502.19702.19703.8113

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 57.518 B1 B2 H4 57.518
B1 B2 H6 174.693 B1 H3 B2 64.964
B1 H4 B2 64.964 B2 B1 H3 57.518
B2 B1 H4 57.518 B2 B1 H5 174.693
H3 B1 H4 84.512 H3 B1 H5 119.184
H3 B2 H4 84.512 H3 B2 H6 119.184
H4 B1 H5 119.184 H4 B2 H6 119.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.112      
2 B -0.112      
3 H 0.038      
4 H 0.038      
5 H 0.074      
6 H 0.074      


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 1.096 1.096
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.865 0.000 0.000
y 0.000 -14.133 0.000
z 0.000 0.000 -16.308
Traceless
 xyz
x 1.356 0.000 0.000
y 0.000 0.953 0.000
z 0.000 0.000 -2.309
Polar
3z2-r2-4.619
x2-y20.268
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.285 0.000 0.000
y 0.000 5.632 0.000
z 0.000 0.000 2.685


<r2> (average value of r2) Å2
<r2> 24.407
(<r2>)1/2 4.940