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

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-31G
 hartrees
Energy at 0K-51.897977
Energy at 298.15K-51.900522
HF Energy-51.853651
Nuclear repulsion energy24.621392
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 B2PLYP=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 2887 2887 0.04      
2 A1 2052 2052 32.26      
3 A1 1361 1361 4.81      
4 A1 1153 1153 10.37      
5 A1 718 718 1.78      
6 A2 1197 1197 0.00      
7 A2 447 447 0.00      
8 B1 2037 2037 90.12      
9 B1 803 803 0.84      
10 B2 2846 2846 37.23      
11 B2 1260 1260 192.98      
12 B2 334 334 79.70      

Unscaled Zero Point Vibrational Energy (zpe) 8546.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8546.4 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 B2PLYP=FULL/6-31G
ABC
6.48664 0.83642 0.80350

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.737 -0.114
B2 0.000 -0.737 -0.114
H3 0.922 0.000 0.577
H4 -0.922 0.000 0.577
H5 0.000 1.904 -0.008
H6 0.000 -1.904 -0.008

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47401.36761.36761.17212.6433
B21.47401.36761.36762.64331.1721
H31.36761.36761.84332.19492.1949
H41.36761.36761.84332.19492.1949
H51.17212.64332.19492.19493.8084
H62.64331.17212.19492.19493.8084

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 57.393 B1 B2 H4 57.393
B1 B2 H6 174.799 B1 H3 B2 65.215
B1 H4 B2 65.215 B2 B1 H3 57.393
B2 B1 H4 57.393 B2 B1 H5 174.799
H3 B1 H4 84.741 H3 B1 H5 119.396
H3 B2 H4 84.741 H3 B2 H6 119.396
H4 B1 H5 119.396 H4 B2 H6 119.396
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability