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

using model chemistry: MP4/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-51.838768
Energy at 298.15K-51.841601
HF Energy-51.607373
Nuclear repulsion energy24.359221
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/cc-pVDZ
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 2825 2732        
2 A1 2101 2031        
3 A1 1334 1290        
4 A1 1116 1079        
5 A1 720 696        
6 A2 1296 1253        
7 A2 632 611        
8 B1 2110 2041        
9 B1 794 768        
10 B2 2783 2691        
11 B2 1361 1316        
12 B2 483 467        

Unscaled Zero Point Vibrational Energy (zpe) 8777.5 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 8486.9 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 MP4/cc-pVDZ
ABC
6.52560 0.81103 0.78238

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.749 -0.119
B2 0.000 -0.749 -0.119
H3 0.911 0.000 0.579
H4 -0.911 0.000 0.579
H5 0.000 1.931 0.017
H6 0.000 -1.931 0.017

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.49861.37051.37051.18912.6833
B21.49861.37051.37052.68331.1891
H31.37051.37051.82172.20742.2074
H41.37051.37051.82172.20742.2074
H51.18912.68332.20742.20743.8612
H62.68331.18912.20742.20743.8612

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 56.858 B1 B2 H4 56.858
B1 B2 H6 173.424 B1 H3 B2 66.283
B1 H4 B2 66.283 B2 B1 H3 56.858
B2 B1 H4 56.858 B2 B1 H5 173.424
H3 B1 H4 83.303 H3 B1 H5 118.998
H3 B2 H4 83.303 H3 B2 H6 118.998
H4 B1 H5 118.998 H4 B2 H6 118.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability