return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for BH4 (borohydride)

using model chemistry: CCSD(T)/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at CCSD(T)/aug-cc-pVQZ
 hartrees
Energy at 0K-27.077828
Energy at 298.15K-27.080632
HF Energy-26.907011
Nuclear repulsion energy10.374677
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)/aug-cc-pVQZ
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 2650 2548        
2 A1 2164 2081        
3 A1 1414 1360        
4 A1 1020 980        
5 A2 815 783        
6 B1 2773 2666        
7 B1 1059 1018        
8 B2 2063 1984        
9 B2 719 691        

Unscaled Zero Point Vibrational Energy (zpe) 7338.6 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 7055.3 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)/aug-cc-pVQZ
ABC
5.91311 4.53502 3.06308

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.152
H2 0.000 0.514 -1.029
H3 0.000 -0.514 -1.029
H4 -1.073 0.000 0.649
H5 1.073 0.000 0.649

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.28821.28821.18221.1822
H21.28821.02782.05722.0572
H31.28821.02782.05722.0572
H41.18222.05722.05722.1450
H51.18222.05722.05722.1450

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 47.020 H2 B1 H4 112.690
H2 B1 H5 112.690 H3 B1 H4 112.690
H3 B1 H5 112.690 H4 B1 H5 130.247
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability