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

using model chemistry: MP4=FULL/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 MP4=FULL/6-31G*
 hartrees
Energy at 0K-51.816588
Energy at 298.15K-51.819343
HF Energy-51.601694
Nuclear repulsion energy24.802888
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 MP4=FULL/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 2866 2756        
2 A1 2182 2098        
3 A1 1382 1329        
4 A1 1171 1126        
5 A1 713 685        
6 A2 1374 1321        
7 A2 580 557        
8 B1 2185 2101        
9 B1 792 762        
10 B2 2827 2718        
11 B2 1422 1368        
12 B2 433 416        

Unscaled Zero Point Vibrational Energy (zpe) 8962.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 8618.4 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 MP4=FULL/6-31G*
ABC
6.74148 0.84511 0.81184

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.732 -0.117
B2 0.000 -0.732 -0.117
H3 0.907 0.000 0.552
H4 -0.907 0.000 0.552
H5 0.000 1.903 0.033
H6 0.000 -1.903 0.033

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.46461.34391.34391.18022.6394
B21.46461.34391.34392.63941.1802
H31.34391.34391.81442.17092.1709
H41.34391.34391.81442.17092.1709
H51.18022.63942.17092.17093.8057
H62.63941.18022.17092.17093.8057

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 56.983 B1 B2 H4 56.983
B1 B2 H6 172.693 B1 H3 B2 66.034
B1 H4 B2 66.034 B2 B1 H3 56.983
B2 B1 H4 56.983 B2 B1 H5 172.693
H3 B1 H4 84.916 H3 B1 H5 118.502
H3 B2 H4 84.916 H3 B2 H6 118.502
H4 B1 H5 118.502 H4 B2 H6 118.502
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability