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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G
 hartrees
Energy at 0K-51.920599
Energy at 298.15K-51.923306
HF Energy-51.920599
Nuclear repulsion energy24.615018
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 PBE1PBE/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 2749 0.01      
2 A1 2063 1972 27.92      
3 A1 1369 1308 4.39      
4 A1 1136 1085 6.91      
5 A1 718 686 2.27      
6 A2 1199 1146 0.00      
7 A2 562 538 0.00      
8 B1 2058 1968 76.47      
9 B1 804 768 0.52      
10 B2 2833 2708 33.18      
11 B2 1245 1190 183.77      
12 B2 408 390 81.31      

Unscaled Zero Point Vibrational Energy (zpe) 8634.2 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 8253.4 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 PBE1PBE/6-31G
ABC
6.45468 0.83717 0.80483

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 0.582
H4 -0.921 0.000 0.582
H5 0.000 1.906 -0.006
H6 0.000 -1.906 -0.006

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47121.36941.36941.17532.6437
B21.47121.36941.36942.64371.1753
H31.36941.36941.84232.19682.1968
H41.36941.36941.84232.19682.1968
H51.17532.64372.19682.19683.8116
H62.64371.17532.19682.19683.8116

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 57.508 B1 B2 H4 57.508
B1 B2 H6 174.665 B1 H3 B2 64.984
B1 H4 B2 64.984 B2 B1 H3 57.508
B2 B1 H4 57.508 B2 B1 H5 174.665
H3 B1 H4 84.551 H3 B1 H5 119.180
H3 B2 H4 84.551 H3 B2 H6 119.180
H4 B1 H5 119.180 H4 B2 H6 119.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.117      
2 B -0.117      
3 H 0.040      
4 H 0.040      
5 H 0.077      
6 H 0.077      


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 1.103 1.103
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.863 0.000 0.000
y 0.000 -14.123 0.000
z 0.000 0.000 -16.321
Traceless
 xyz
x 1.358 0.000 0.000
y 0.000 0.969 0.000
z 0.000 0.000 -2.328
Polar
3z2-r2-4.655
x2-y20.259
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.286 0.000 0.000
y 0.000 5.635 0.000
z 0.000 0.000 2.685


<r2> (average value of r2) Å2
<r2> 24.406
(<r2>)1/2 4.940