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All results from a given calculation for BH4 (borohydride)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-27.093214
Energy at 298.15K-27.095891
HF Energy-27.093214
Nuclear repulsion energy10.304057
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 B1B95/6-31G
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 2676 2552 42.17      
2 A1 2096 1999 89.59      
3 A1 1269 1210 27.27      
4 A1 873 833 4.62      
5 A2 587 559 0.00      
6 B1 2793 2664 99.41      
7 B1 1078 1028 0.30      
8 B2 1954 1864 2.93      
9 B2 774 738 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 7050.4 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 6723.9 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 B1B95/6-31G
ABC
5.72123 4.42288 3.13815

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.136
H2 0.000 0.586 -1.010
H3 0.000 -0.586 -1.010
H4 -1.057 0.000 0.670
H5 1.057 0.000 0.670

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.28691.28691.18451.1845
H21.28691.17282.06932.0693
H31.28691.17282.06932.0693
H41.18452.06932.06932.1147
H51.18452.06932.06932.1147

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 54.215 H2 B1 H4 113.654
H2 B1 H5 113.654 H3 B1 H4 113.654
H3 B1 H5 113.654 H4 B1 H5 126.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.175      
2 H 0.059      
3 H 0.059      
4 H 0.029      
5 H 0.029      


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 -1.206 1.206
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.052 0.000 0.000
y 0.000 -9.468 0.000
z 0.000 0.000 -8.537
Traceless
 xyz
x -1.050 0.000 0.000
y 0.000 -0.174 0.000
z 0.000 0.000 1.223
Polar
3z2-r22.447
x2-y2-0.584
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.245 0.000 0.000
y 0.000 1.917 0.000
z 0.000 0.000 3.210


<r2> (average value of r2) Å2
<r2> 11.793
(<r2>)1/2 3.434