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: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-27.083368
Energy at 298.15K-27.085970
HF Energy-27.083368
Nuclear repulsion energy10.244379
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 PBEPBE/6-311G*
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 2569 2543 36.38      
2 A1 2072 2051 72.90      
3 A1 1270 1257 29.03      
4 A1 931 922 0.30      
5 A2 514 508 0.00      
6 B1 2686 2658 79.49      
7 B1 1020 1010 0.05      
8 B2 1932 1912 1.53      
9 B2 695 688 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 6844.7 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 6773.5 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 PBEPBE/6-311G*
ABC
5.65267 4.42199 3.06117

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.145
H2 0.000 0.565 -1.023
H3 0.000 -0.565 -1.023
H4 -1.077 0.000 0.660
H5 1.077 0.000 0.660

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.29731.29731.19401.1940
H21.29731.13032.07652.0765
H31.29731.13032.07652.0765
H41.19402.07652.07652.1542
H51.19402.07652.07652.1542

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 51.651 H2 B1 H4 112.854
H2 B1 H5 112.854 H3 B1 H4 112.854
H3 B1 H5 112.854 H4 B1 H5 128.878
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.520      
2 H 0.150      
3 H 0.150      
4 H 0.110      
5 H 0.110      


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 -1.322 1.322
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.399 0.000 0.000
y 0.000 -9.977 0.000
z 0.000 0.000 -8.507
Traceless
 xyz
x -1.157 0.000 0.000
y 0.000 -0.524 0.000
z 0.000 0.000 1.680
Polar
3z2-r23.361
x2-y2-0.422
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.709 0.000 0.000
y 0.000 2.423 0.000
z 0.000 0.000 3.590


<r2> (average value of r2) Å2
<r2> 12.041
(<r2>)1/2 3.470