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All results from a given calculation for BH3 (boron trihydride)

using model chemistry: MP4/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at MP4/cc-pVDZ
 hartrees
Energy at 0K-26.507434
Energy at 298.15K-26.508881
HF Energy-26.390668
Nuclear repulsion energy7.327590
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 MP4/cc-pVDZ
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' 2575 2490        
2 A2" 1162 1123        
3 E' 2712 2622        
3 E' 2711 2622        
4 E' 1215 1175        
4 E' 1215 1175        

Unscaled Zero Point Vibrational Energy (zpe) 5795.0 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 5603.2 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 MP4/cc-pVDZ
ABC
7.64551 7.64551 3.82276

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.000
H2 0.000 1.208 0.000
H3 1.046 -0.604 0.000
H4 -1.046 -0.604 0.000

Atom - Atom Distances (Å)
  B1 H2 H3 H4
B11.20771.20771.2077
H21.20772.09182.0918
H31.20772.09182.0918
H41.20772.09182.0918

picture of boron trihydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 120.000 H2 B1 H4 120.000
H3 B1 H4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability