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

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G**
 hartrees
Energy at 0K-51.839710
Energy at 298.15K-51.842419
HF Energy-51.607200
Nuclear repulsion energy24.833899
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)/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 2881 2732        
2 A1 2184 2071        
3 A1 1372 1301        
4 A1 1154 1094        
5 A1 718 681        
6 A2 1373 1302        
7 A2 541 513        
8 B1 2188 2075        
9 B1 796 755        
10 B2 2840 2694        
11 B2 1440 1365        
12 B2 400 380        

Unscaled Zero Point Vibrational Energy (zpe) 8942.4 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 8481.8 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)/6-31G**
ABC
6.84574 0.84263 0.81024

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.736 -0.117
B2 0.000 -0.736 -0.117
H3 0.900 0.000 0.547
H4 -0.900 0.000 0.547
H5 0.000 1.898 0.038
H6 0.000 -1.898 0.038

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6
B11.47121.33821.33821.17242.6379
B21.47121.33821.33822.63791.1724
H31.33821.33821.79922.16102.1610
H41.33821.33821.79922.16102.1610
H51.17242.63792.16102.16103.7955
H62.63791.17242.16102.16103.7955

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 56.653 B1 B2 H4 56.653
B1 B2 H6 172.431 B1 H3 B2 66.695
B1 H4 B2 66.695 B2 B1 H3 56.653
B2 B1 H4 56.653 B2 B1 H5 172.431
H3 B1 H4 84.479 H3 B1 H5 118.659
H3 B2 H4 84.479 H3 B2 H6 118.659
H4 B1 H5 118.659 H4 B2 H6 118.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability