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

using model chemistry: MP3=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-51.440015
Energy at 298.15K-51.442449
HF Energy-51.292287
Nuclear repulsion energy24.590512
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/3-21G*
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 2881 2881 0.54      
2 A1 2036 2036 20.35      
3 A1 1365 1365 3.91      
4 A1 1149 1149 13.79      
5 A1 695 695 1.11      
6 A2 1261 1261 0.00      
7 A2 463 463 0.00      
8 B1 2008 2008 73.90      
9 B1 789 789 1.30      
10 B2 2837 2837 31.16      
11 B2 1311 1311 188.67      
12 B2 239 239 67.94      

Unscaled Zero Point Vibrational Energy (zpe) 8517.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8517.4 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 MP3=FULL/3-21G*
ABC
6.52953 0.83365 0.79906

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.739 -0.114
B2 0.000 -0.739 -0.114
H3 0.926 0.000 0.563
H4 -0.926 0.000 0.563
H5 0.000 1.910 0.005
H6 0.000 -1.910 0.005

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47721.36431.36431.17772.6516
B21.47721.36431.36432.65161.1777
H31.36431.36431.85212.19522.1952
H41.36431.36431.85212.19522.1952
H51.17772.65162.19522.19523.8206
H62.65161.17772.19522.19523.8206

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 57.222 B1 B2 H4 57.222
B1 B2 H6 174.231 B1 H3 B2 65.557
B1 H4 B2 65.557 B2 B1 H3 57.222
B2 B1 H4 57.222 B2 B1 H5 174.231
H3 B1 H4 85.496 H3 B1 H5 119.260
H3 B2 H4 85.496 H3 B2 H6 119.260
H4 B1 H5 119.260 H4 B2 H6 119.260
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability