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

using model chemistry: MP3=FULL/aug-cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3=FULL/aug-cc-pCVTZ
 hartrees
Energy at 0K-51.983921
Energy at 298.15K 
HF Energy-51.626382
Nuclear repulsion energy24.911223
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 MP3=FULL/aug-cc-pCVTZ
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 2861 2861 0.08      
2 A1 2155 2155 15.55      
3 A1 1370 1370 3.30      
4 A1 1119 1119 1.69      
5 A1 741 741 3.93      
6 A2 1357 1357 0.00      
7 A2 693 693 0.00      
8 B1 2155 2155 42.30      
9 B1 807 807 2.04      
10 B2 2823 2823 36.44      
11 B2 1420 1420 213.57      
12 B2 567 567 26.63      

Unscaled Zero Point Vibrational Energy (zpe) 9033.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9033.6 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 MP3=FULL/aug-cc-pCVTZ
ABC
6.81269 0.85072 0.81928

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/aug-cc-pCVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.730 -0.114
B2 0.000 -0.730 -0.114
H3 0.896 0.000 0.564
H4 -0.896 0.000 0.564
H5 0.000 1.893 0.009
H6 0.000 -1.893 0.009

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.45991.33981.33981.16992.6263
B21.45991.33981.33982.62631.1699
H31.33981.33981.79162.16692.1669
H41.33981.33981.79162.16692.1669
H51.16992.62632.16692.16693.7868
H62.62631.16992.16692.16693.7868

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 56.986 B1 B2 H4 56.986
B1 B2 H6 173.964 B1 H3 B2 66.028
B1 H4 B2 66.028 B2 B1 H3 56.986
B2 B1 H4 56.986 B2 B1 H5 173.964
H3 B1 H4 83.919 H3 B1 H5 119.249
H3 B2 H4 83.919 H3 B2 H6 119.249
H4 B1 H5 119.249 H4 B2 H6 119.249
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability