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

using model chemistry: PBE1PBE/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-51.951996
Energy at 298.15K-51.954894
HF Energy-51.951996
Nuclear repulsion energy24.606592
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/aug-cc-pVDZ
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 2832 2723 0.13      
2 A1 2103 2022 17.76      
3 A1 1365 1313 2.99      
4 A1 1105 1062 1.59      
5 A1 725 697 5.39      
6 A2 1266 1218 0.00      
7 A2 661 635 0.00      
8 B1 2119 2038 40.20      
9 B1 787 757 0.86      
10 B2 2790 2683 30.59      
11 B2 1335 1284 190.96      
12 B2 549 528 31.54      

Unscaled Zero Point Vibrational Energy (zpe) 8818.1 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 8479.4 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/aug-cc-pVDZ
ABC
6.56425 0.83181 0.80286

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.737 -0.118
B2 0.000 -0.737 -0.118
H3 0.905 0.000 0.585
H4 -0.905 0.000 0.585
H5 0.000 1.914 0.004
H6 0.000 -1.914 0.004

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47441.36211.36211.18262.6536
B21.47441.36211.36212.65361.1826
H31.36211.36211.80922.19482.1948
H41.36211.36211.80922.19482.1948
H51.18262.65362.19482.19483.8271
H62.65361.18262.19482.19483.8271

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 57.232 B1 B2 H4 57.232
B1 B2 H6 174.083 B1 H3 B2 65.536
B1 H4 B2 65.536 B2 B1 H3 57.232
B2 B1 H4 57.232 B2 B1 H5 174.083
H3 B1 H4 83.233 H3 B1 H5 119.025
H3 B2 H4 83.233 H3 B2 H6 119.025
H4 B1 H5 119.025 H4 B2 H6 119.025
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.965      
2 B -0.965      
3 H 0.521      
4 H 0.521      
5 H 0.444      
6 H 0.444      


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 0.832 0.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.149 0.000 0.000
y 0.000 -14.089 0.000
z 0.000 0.000 -16.681
Traceless
 xyz
x 1.236 0.000 0.000
y 0.000 1.326 0.000
z 0.000 0.000 -2.562
Polar
3z2-r2-5.124
x2-y2-0.060
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 6.203 0.000
z 0.000 0.000 4.739


<r2> (average value of r2) Å2
<r2> 24.569
(<r2>)1/2 4.957