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All results from a given calculation for B2H4 (Diborane(4) D2d)

using model chemistry: SVWN/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at SVWN/aug-cc-pVTZ
 hartrees
Energy at 0K-51.682912
Energy at 298.15K-51.685054
HF Energy-51.682912
Nuclear repulsion energy22.560636
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 SVWN/aug-cc-pVTZ
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 2510 2490 0.00      
2 A1 1126 1117 0.00      
3 A1 883 876 0.00      
4 B1 622 617 0.00      
5 B2 2490 2471 19.09      
6 B2 1032 1024 5.46      
7 E 2560 2540 36.04      
7 E 2560 2540 36.04      
8 E 921 914 17.75      
8 E 921 914 17.75      
9 E 268 266 0.20      
9 E 268 266 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 8081.1 cm-1
Scaled (by 0.9921) Zero Point Vibrational Energy (zpe) 8017.2 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 SVWN/aug-cc-pVTZ
ABC
4.03957 0.68993 0.68993

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.795
B2 0.000 0.000 -0.795
H3 0.000 1.017 1.445
H4 0.000 -1.017 1.445
H5 1.017 0.000 -1.445
H6 -1.017 0.000 -1.445

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.59071.20721.20722.46062.4606
B21.59072.46062.46061.20721.2072
H31.20722.46062.03493.22853.2285
H41.20722.46062.03493.22853.2285
H52.46061.20723.22853.22852.0349
H62.46061.20723.22853.22852.0349

picture of Diborane(4) D2d state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 B2 H5 122.560 B1 B2 H6 122.560
B2 B1 H3 122.560 B2 B1 H4 122.560
H3 B1 H4 114.879 H5 B2 H6 114.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.088      
2 B 0.088      
3 H -0.044      
4 H -0.044      
5 H -0.044      
6 H -0.044      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.777 0.000 0.000
y 0.000 -14.777 0.000
z 0.000 0.000 -16.136
Traceless
 xyz
x 0.680 0.000 0.000
y 0.000 0.680 0.000
z 0.000 0.000 -1.360
Polar
3z2-r2-2.719
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.444 0.000 0.000
y 0.000 4.444 0.000
z 0.000 0.000 6.824


<r2> (average value of r2) Å2
<r2> 28.332
(<r2>)1/2 5.323