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

using model chemistry: B97D3/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B97D3/cc-pVQZ
 hartrees
Energy at 0K-52.028364
Energy at 298.15K-52.030731
HF Energy-52.028364
Nuclear repulsion energy22.310841
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 B97D3/cc-pVQZ
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 2507 2507 0.00      
2 A1 1163 1163 0.00      
3 A1 857 857 0.00      
4 B1 567 567 0.00      
5 B2 2486 2486 62.27      
6 B2 1100 1100 0.86      
7 E 2546 2546 80.49      
7 E 2546 2546 80.49      
8 E 967 967 22.88      
8 E 967 967 22.88      
9 E 369 369 2.89      
9 E 369 369 2.89      

Unscaled Zero Point Vibrational Energy (zpe) 8221.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8221.8 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 B97D3/cc-pVQZ
ABC
4.03382 0.66557 0.66557

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVQZ

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.816
B2 0.000 0.000 -0.816
H3 0.000 1.018 1.459
H4 0.000 -1.018 1.459
H5 1.018 0.000 -1.459
H6 -1.018 0.000 -1.459

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.63151.20461.20462.49262.4926
B21.63152.49262.49261.20461.2046
H31.20462.49262.03633.25483.2548
H41.20462.49262.03633.25483.2548
H52.49261.20463.25483.25482.0363
H62.49261.20463.25483.25482.0363

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 122.303 B1 B2 H6 122.303
B2 B1 H3 122.303 B2 B1 H4 122.303
H3 B1 H4 115.393 H5 B2 H6 115.393
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.312      
2 B 0.312      
3 H -0.156      
4 H -0.156      
5 H -0.156      
6 H -0.156      


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 -14.731 0.000 0.000
y 0.000 -14.731 0.000
z 0.000 0.000 -16.651
Traceless
 xyz
x 0.960 0.000 0.000
y 0.000 0.960 0.000
z 0.000 0.000 -1.920
Polar
3z2-r2-3.840
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 4.194 0.000 0.000
y 0.000 4.194 0.000
z 0.000 0.000 6.397


<r2> (average value of r2) Å2
<r2> 28.922
(<r2>)1/2 5.378