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

using model chemistry: CCSD(T)/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)/TZVP
 hartrees
Energy at 0K-51.866071
Energy at 298.15K-51.868877
HF Energy-51.622830
Nuclear repulsion energy24.762877
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 CCSD(T)/TZVP
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 2849 2742        
2 A1 2129 2049        
3 A1 1352 1301        
4 A1 1121 1079        
5 A1 721 694        
6 A2 1342 1292        
7 A2 597 574        
8 B1 2134 2054        
9 B1 791 762        
10 B2 2808 2703        
11 B2 1405 1352        
12 B2 465 448        

Unscaled Zero Point Vibrational Energy (zpe) 8857.9 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 8525.7 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 CCSD(T)/TZVP
ABC
6.74649 0.84014 0.80761

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.736 -0.116
B2 0.000 -0.736 -0.116
H3 0.906 0.000 0.556
H4 -0.906 0.000 0.556
H5 0.000 1.902 0.023
H6 0.000 -1.902 0.023

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47211.34641.34641.17432.6417
B21.47211.34641.34642.64171.1743
H31.34641.34641.81142.17282.1728
H41.34641.34641.81142.17282.1728
H51.17432.64172.17282.17283.8040
H62.64171.17432.17282.17283.8040

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 56.862 B1 B2 H4 56.862
B1 B2 H6 173.189 B1 H3 B2 66.275
B1 H4 B2 66.275 B2 B1 H3 56.862
B2 B1 H4 56.862 B2 B1 H5 173.189
H3 B1 H4 84.546 H3 B1 H5 118.924
H3 B2 H4 84.546 H3 B2 H6 118.924
H4 B1 H5 118.924 H4 B2 H6 118.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability