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All results from a given calculation for BH4 (borohydride)

using model chemistry: B2PLYP/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 B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-27.098685
Energy at 298.15K-27.101489
HF Energy-27.058257
Nuclear repulsion energy10.382282
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/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 2693 2572 37.74      
2 A1 2177 2079 85.72      
3 A1 1376 1314 50.41      
4 A1 1004 959 1.99      
5 A2 779 744 0.00      
6 B1 2813 2686 71.86      
7 B1 1073 1025 0.40      
8 B2 2048 1955 4.31      
9 B2 765 731 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 7363.6 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 7032.2 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/6-31G(2df,p)
ABC
5.87393 4.53554 3.10975

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.145
H2 0.000 0.538 -1.017
H3 0.000 -0.538 -1.017
H4 -1.065 0.000 0.655
H5 1.065 0.000 0.655

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.28061.28061.18131.1813
H21.28061.07552.05492.0549
H31.28061.07552.05492.0549
H41.18132.05492.05492.1304
H51.18132.05492.05492.1304

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 49.658 H2 B1 H4 113.101
H2 B1 H5 113.101 H3 B1 H4 113.101
H3 B1 H5 113.101 H4 B1 H5 128.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.305      
2 H 0.128      
3 H 0.128      
4 H 0.024      
5 H 0.024      


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 -1.313 1.313
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.011 0.000 0.000
y 0.000 -9.436 0.000
z 0.000 0.000 -8.144
Traceless
 xyz
x -1.220 0.000 0.000
y 0.000 -0.359 0.000
z 0.000 0.000 1.579
Polar
3z2-r23.159
x2-y2-0.574
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.369 0.000 0.000
y 0.000 2.138 0.000
z 0.000 0.000 3.128


<r2> (average value of r2) Å2
<r2> 11.627
(<r2>)1/2 3.410