return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for BH4 (borohydride)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-27.157709
Energy at 298.15K-27.160495
HF Energy-27.157709
Nuclear repulsion energy10.330564
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 TPSSh/6-31G(2df,p)
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 2659 2566 44.68      
2 A1 2134 2059 95.20      
3 A1 1340 1293 44.42      
4 A1 975 941 2.56      
5 A2 765 738 0.00      
6 B1 2776 2679 83.73      
7 B1 1071 1033 0.75      
8 B2 1986 1916 4.68      
9 B2 750 724 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 7227.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 6974.6 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 TPSSh/6-31G(2df,p)
ABC
5.80824 4.47968 3.09259

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.144
H2 0.000 0.549 -1.020
H3 0.000 -0.549 -1.020
H4 -1.067 0.000 0.660
H5 1.067 0.000 0.660

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.28721.28721.18531.1853
H21.28721.09782.06492.0649
H31.28721.09782.06492.0649
H41.18532.06492.06492.1341
H51.18532.06492.06492.1341

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 50.479 H2 B1 H4 113.191
H2 B1 H5 113.191 H3 B1 H4 113.191
H3 B1 H5 113.191 H4 B1 H5 128.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.340      
2 H 0.133      
3 H 0.133      
4 H 0.038      
5 H 0.038      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.278 1.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.436 0.000 0.000
y 0.000 2.200 0.000
z 0.000 0.000 3.196


<r2> (average value of r2) Å2
<r2> 11.653
(<r2>)1/2 3.414