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

using model chemistry: wB97X-D/SDD

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/SDD
 hartrees
Energy at 0K-51.983581
Energy at 298.15K-51.986035
HF Energy-51.983581
Nuclear repulsion energy 
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 wB97X-D/SDD
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 2894 2894 0.63      
2 A1 1970 1970 58.65      
3 A1 1351 1351 5.33      
4 A1 1140 1140 4.70      
5 A1 733 733 12.21      
6 A2 1119 1119 0.00      
7 A2 309 309 0.00      
8 B1 1979 1979 122.21      
9 B1 803 803 1.95      
10 B2 2844 2844 36.46      
11 B2 1174 1174 201.33      
12 B2 398 398 153.47      

Unscaled Zero Point Vibrational Energy (zpe) 8356.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8356.2 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 wB97X-D/SDD
ABC
6.15529 0.82588 0.79486

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.741 -0.111
B2 0.000 -0.741 -0.111
H3 0.936 0.000 0.614
H4 -0.936 0.000 0.614
H5 0.000 1.912 -0.059
H6 0.000 -1.912 -0.059

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.48111.39681.39681.17222.6527
B21.48111.39681.39682.65271.1722
H31.39681.39681.87292.23262.2326
H41.39681.39681.87292.23262.2326
H51.17222.65272.23262.23263.8232
H62.65271.17222.23262.23263.8232

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 57.984 B1 B2 H4 57.984
B1 B2 H6 177.467 B1 H3 B2 64.032
B1 H4 B2 64.032 B2 B1 H3 57.984
B2 B1 H4 57.984 B2 B1 H5 177.467
H3 B1 H4 84.196 H3 B1 H5 120.443
H3 B2 H4 84.196 H3 B2 H6 120.443
H4 B1 H5 120.443 H4 B2 H6 120.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.305      
2 B -0.305      
3 H 0.130      
4 H 0.130      
5 H 0.175      
6 H 0.175      


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 1.294 1.294
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.132 0.000 0.000
y 0.000 -13.798 0.000
z 0.000 0.000 -16.798
Traceless
 xyz
x 1.166 0.000 0.000
y 0.000 1.667 0.000
z 0.000 0.000 -2.833
Polar
3z2-r2-5.667
x2-y2-0.334
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.076 0.000 0.000
y 0.000 5.847 0.000
z 0.000 0.000 2.981


<r2> (average value of r2) Å2
<r2> 24.743
(<r2>)1/2 4.974