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All results from a given calculation for BH4 (borohydride)

using model chemistry: B2PLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at B2PLYP/3-21G
 hartrees
Energy at 0K-26.913981
Energy at 298.15K-26.916695
HF Energy-26.891338
Nuclear repulsion energy10.313125
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 B2PLYP/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 2701 2701 28.44      
2 A1 2091 2091 81.33      
3 A1 1264 1264 37.84      
4 A1 724 724 22.10      
5 A2 744 744 0.00      
6 B1 2822 2822 72.32      
7 B1 1093 1093 0.60      
8 B2 1956 1956 8.35      
9 B2 785 785 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 7089.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7089.9 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 B2PLYP/3-21G
ABC
5.76366 4.44413 3.11519

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.139
H2 0.000 0.569 -1.015
H3 0.000 -0.569 -1.015
H4 -1.062 0.000 0.667
H5 1.062 0.000 0.667

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.28681.28681.18551.1855
H21.28681.13862.06872.0687
H31.28681.13862.06872.0687
H41.18552.06872.06872.1231
H51.18552.06872.06872.1231

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 52.517 H2 B1 H4 113.531
H2 B1 H5 113.531 H3 B1 H4 113.531
H3 B1 H5 113.531 H4 B1 H5 127.130
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.259      
2 H 0.075      
3 H 0.075      
4 H 0.054      
5 H 0.054      


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 -1.211 1.211
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.428 0.000 0.000
y 0.000 -9.856 0.000
z 0.000 0.000 -8.760
Traceless
 xyz
x -1.120 0.000 0.000
y 0.000 -0.262 0.000
z 0.000 0.000 1.382
Polar
3z2-r22.764
x2-y2-0.572
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.078 0.000 0.000
y 0.000 1.850 0.000
z 0.000 0.000 3.079


<r2> (average value of r2) Å2
<r2> 11.995
(<r2>)1/2 3.463