return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for BH4 (borohydride)

using model chemistry: PBEPBEultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at PBEPBEultrafine/6-31+G**
 hartrees
Energy at 0K-27.087070
Energy at 298.15K-27.089751
HF Energy-27.087070
Nuclear repulsion energy10.273061
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 PBEPBEultrafine/6-31+G**
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 2602 2572 34.90      
2 A1 2127 2103 79.60      
3 A1 1361 1345 35.24      
4 A1 992 980 0.25      
5 A2 604 597 0.00      
6 B1 2718 2687 85.68      
7 B1 1029 1017 0.05      
8 B2 1993 1970 0.20      
9 B2 693 685 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 7059.3 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 6978.9 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 PBEPBEultrafine/6-31+G**
ABC
5.75588 4.45276 3.02963

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.149
H2 0.000 0.534 -1.031
H3 0.000 -0.534 -1.031
H4 -1.081 0.000 0.659
H5 1.081 0.000 0.659

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.29531.29531.19511.1951
H21.29531.06842.07622.0762
H31.29531.06842.07622.0762
H41.19512.07622.07622.1612
H51.19512.07622.07622.1612

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 48.714 H2 B1 H4 112.899
H2 B1 H5 112.899 H3 B1 H4 112.899
H3 B1 H5 112.899 H4 B1 H5 129.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.283      
2 H 0.088      
3 H 0.088      
4 H 0.053      
5 H 0.053      


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 -1.378 1.378
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.375 0.000 0.000
y 0.000 -10.120 0.000
z 0.000 0.000 -8.510
Traceless
 xyz
x -1.061 0.000 0.000
y 0.000 -0.677 0.000
z 0.000 0.000 1.738
Polar
3z2-r23.476
x2-y2-0.256
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.621 0.000 0.000
y 0.000 2.676 0.000
z 0.000 0.000 3.444


<r2> (average value of r2) Å2
<r2> 12.051
(<r2>)1/2 3.472