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

using model chemistry: CID/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 CID/6-31G
 hartrees
Energy at 0K-51.706910
Energy at 298.15K-51.708988
HF Energy-51.563533
Nuclear repulsion energy24.514733
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 CID/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 2851 2666 0.22      
2 A1 2041 1909 31.76      
3 A1 1359 1271 5.63      
4 A1 1156 1081 12.18      
5 A1 691 647 1.85      
6 A2 1220 1141 0.00      
7 A2 272 255 0.00      
8 B1 2021 1891 89.08      
9 B1 772 722 0.58      
10 B2 2808 2626 43.62      
11 B2 1287 1204 214.97      
12 B2 142 133 70.86      

Unscaled Zero Point Vibrational Energy (zpe) 8310.3 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 7771.8 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 CID/6-31G
ABC
6.45892 0.82917 0.79522

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.740 -0.115
B2 0.000 -0.740 -0.115
H3 0.929 0.000 0.569
H4 -0.929 0.000 0.569
H5 0.000 1.914 0.007
H6 0.000 -1.914 0.007

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.48091.37061.37061.18022.6577
B21.48091.37061.37062.65771.1802
H31.37061.37061.85772.20082.2008
H41.37061.37061.85772.20082.2008
H51.18022.65772.20082.20083.8288
H62.65771.18022.20082.20083.8288

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 57.300 B1 B2 H4 57.300
B1 B2 H6 174.084 B1 H3 B2 65.401
B1 H4 B2 65.401 B2 B1 H3 57.300
B2 B1 H4 57.300 B2 B1 H5 174.084
H3 B1 H4 85.330 H3 B1 H5 119.075
H3 B2 H4 85.330 H3 B2 H6 119.075
H4 B1 H5 119.075 H4 B2 H6 119.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability