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All results from a given calculation for BH4 (borohydride)

using model chemistry: B3PW91/6-31G(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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-27.139407
Energy at 298.15K-27.142156
HF Energy-27.139407
Nuclear repulsion energy10.342930
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 B3PW91/6-31G(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 2653 2551 37.91      
2 A1 2158 2075 81.78      
3 A1 1382 1329 43.07      
4 A1 1011 972 0.27      
5 A2 690 664 0.00      
6 B1 2773 2666 72.17      
7 B1 1046 1006 0.14      
8 B2 2049 1970 4.04      
9 B2 724 696 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7244.0 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 6964.4 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 B3PW91/6-31G(2df,p)
ABC
5.82914 4.50782 3.08047

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.146
H2 0.000 0.536 -1.022
H3 0.000 -0.536 -1.022
H4 -1.071 0.000 0.657
H5 1.071 0.000 0.657

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.28541.28541.18671.1867
H21.28541.07252.06252.0625
H31.28541.07252.06252.0625
H41.18672.06252.06252.1422
H51.18672.06252.06252.1422

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 49.313 H2 B1 H4 113.032
H2 B1 H5 113.032 H3 B1 H4 113.032
H3 B1 H5 113.032 H4 B1 H5 129.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.349      
2 H 0.137      
3 H 0.137      
4 H 0.037      
5 H 0.037      


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 -1.342 1.342
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.922 0.000 0.000
y 0.000 -9.435 0.000
z 0.000 0.000 -8.037
Traceless
 xyz
x -1.186 0.000 0.000
y 0.000 -0.455 0.000
z 0.000 0.000 1.641
Polar
3z2-r23.282
x2-y2-0.487
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.441 0.000 0.000
y 0.000 2.185 0.000
z 0.000 0.000 3.201


<r2> (average value of r2) Å2
<r2> 11.632
(<r2>)1/2 3.411