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

using model chemistry: B97D3/STO-3G

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/STO-3G
 hartrees
Energy at 0K-51.395677
Energy at 298.15K-51.398197
HF Energy-51.395677
Nuclear repulsion energy22.547996
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/STO-3G
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 2872 2872 0.00      
2 A1 1346 1346 0.00      
3 A1 963 963 0.00      
4 B1 599 599 0.00      
5 B2 2852 2852 1.34      
6 B2 1290 1290 9.33      
7 E 2976 2976 1.71      
7 E 2976 2976 1.71      
8 E 1066 1066 50.91      
8 E 1066 1066 50.91      
9 E 506 506 2.01      
9 E 506 506 2.01      

Unscaled Zero Point Vibrational Energy (zpe) 9508.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9508.9 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/STO-3G
ABC
4.13214 0.67716 0.67716

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/STO-3G

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.811
B2 0.000 0.000 -0.811
H3 0.000 1.006 1.441
H4 0.000 -1.006 1.441
H5 1.006 0.000 -1.441
H6 -1.006 0.000 -1.441

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.62211.18691.18692.46652.4665
B21.62212.46652.46651.18691.1869
H31.18692.46652.01203.21403.2140
H41.18692.46652.01203.21403.2140
H52.46651.18693.21403.21402.0120
H62.46651.18693.21403.21402.0120

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 122.053 B1 B2 H6 122.053
B2 B1 H3 122.053 B2 B1 H4 122.053
H3 B1 H4 115.893 H5 B2 H6 115.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.078      
2 B 0.078      
3 H -0.039      
4 H -0.039      
5 H -0.039      
6 H -0.039      


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 -12.975 0.000 0.000
y 0.000 -12.975 0.000
z 0.000 0.000 -14.773
Traceless
 xyz
x 0.899 0.000 0.000
y 0.000 0.899 0.000
z 0.000 0.000 -1.799
Polar
3z2-r2-3.597
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 1.604 0.000 0.000
y 0.000 1.604 0.000
z 0.000 0.000 2.861


<r2> (average value of r2) Å2
<r2> 27.410
(<r2>)1/2 5.235