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All results from a given calculation for LiBH4 (Lithium borohydride)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-34.325147
Energy at 298.15K-34.329126
HF Energy-34.243786
Nuclear repulsion energy17.030724
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 MP2/3-21G*
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 2680 2550 110.30      
2 A1 2275 2165 161.97      
3 A1 1248 1187 133.56      
4 A1 656 624 167.70      
5 E 2230 2121 372.81      
5 E 2230 2121 372.81      
6 E 1310 1246 15.89      
6 E 1310 1246 15.89      
7 E 1167 1110 27.93      
7 E 1167 1110 27.93      
8 E 431 410 0.15      
8 E 431 410 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 8568.0 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 8150.7 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 MP2/3-21G*
ABC
4.15232 0.72805 0.72805

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.485
B2 0.000 0.000 0.523
H3 0.000 0.000 1.722
H4 0.000 1.159 0.039
H5 1.004 -0.579 0.039
H6 -1.004 -0.579 0.039

Atom - Atom Distances (Å)
  Li1 B2 H3 H4 H5 H6
Li12.00843.20701.91471.91471.9147
B22.00841.19861.25581.25581.2558
H33.20701.19862.04312.04312.0431
H41.91471.25582.04312.00712.0071
H51.91471.25582.04312.00712.0071
H61.91471.25582.04312.00712.0071

picture of Lithium borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li1 B2 H3 180.000 Li1 B2 H4 67.327
Li1 B2 H5 67.327 Li1 B2 H6 67.327
Li1 H4 B2 75.431 Li1 H5 B2 75.431
Li1 H6 B2 75.431 H3 B2 H4 112.673
H3 B2 H5 112.673 H3 B2 H6 112.673
H4 B2 H5 106.088 H4 B2 H6 106.088
H5 B2 H6 106.088
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability