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All results from a given calculation for B2H6 (Diborane)

using model chemistry: CCSD=FULL/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at CCSD=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-53.176500
Energy at 298.15K 
HF Energy-52.835252
Nuclear repulsion energy32.285055
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=FULL/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/daug-cc-pVTZ
ABC
2.70798 0.61889 0.56833

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/daug-cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.876 0.000 0.000
B2 -0.876 0.000 0.000
H3 0.000 0.000 0.971
H4 0.000 0.000 -0.971
H5 1.448 1.036 0.000
H6 1.448 -1.036 0.000
H7 -1.448 1.036 0.000
H8 -1.448 -1.036 0.000

Atom - Atom Distances (Å)
  B1 B2 H3 H4 H5 H6 H7 H8
B11.75141.30771.30771.18331.18332.54412.5441
B21.75141.30771.30772.54412.54411.18331.1833
H31.30771.30771.94232.02792.02792.02792.0279
H41.30771.30771.94232.02792.02792.02792.0279
H51.18332.54412.02792.02792.07142.89603.5606
H61.18332.54412.02792.02792.07143.56062.8960
H72.54411.18332.02792.02792.89603.56062.0714
H82.54411.18332.02792.02793.56062.89602.0714

picture of Diborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 H3 B2 84.083 B1 H4 B2 84.083
H3 B1 H4 95.917 H3 B1 H5 108.899
H3 B1 H6 108.899 H3 B2 H4 95.917
H3 B2 H7 108.899 H3 B2 H8 108.899
H4 B1 H5 108.899 H4 B1 H6 108.899
H4 B2 H7 108.899 H4 B2 H8 108.899
H5 B1 H6 122.150 H7 B2 H8 122.150
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability