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All results from a given calculation for BH4 (borohydride)

using model chemistry: QCISD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at QCISD(T)/6-31G*
 hartrees
Energy at 0K-26.997636
Energy at 298.15K-27.000413
HF Energy-26.884060
Nuclear repulsion energy10.319283
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 QCISD(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 2672 2564        
2 A1 2156 2069        
3 A1 1286 1233        
4 A1 874 838        
5 A2 797 765        
6 B1 2791 2677        
7 B1 1092 1047        
8 B2 2025 1943        
9 B2 784 752        

Unscaled Zero Point Vibrational Energy (zpe) 7238.5 cm-1
Scaled (by 0.9593) Zero Point Vibrational Energy (zpe) 6943.9 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 QCISD(T)/6-31G*
ABC
5.73185 4.49036 3.10951

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.140
H2 0.000 0.562 -1.012
H3 0.000 -0.562 -1.012
H4 -1.069 0.000 0.663
H5 1.069 0.000 0.663

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.28121.28121.19041.1904
H21.28121.12432.06482.0648
H31.28121.12432.06482.0648
H41.19042.06482.06482.1383
H51.19042.06482.06482.1383

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 52.051 H2 B1 H4 113.272
H2 B1 H5 113.272 H3 B1 H4 113.272
H3 B1 H5 113.272 H4 B1 H5 127.834
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability