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All results from a given calculation for BH4 (borohydride)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-27.130609
Energy at 298.15K-27.133325
HF Energy-27.130609
Nuclear repulsion energy10.320544
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*
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 2666 2550 42.35      
2 A1 2145 2052 88.12      
3 A1 1308 1251 36.37      
4 A1 956 914 2.49      
5 A2 642 615 0.00      
6 B1 2781 2661 88.12      
7 B1 1069 1023 0.38      
8 B2 2026 1938 2.32      
9 B2 750 717 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 7171.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 6860.6 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*
ABC
5.73446 4.49183 3.10885

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.141
H2 0.000 0.561 -1.012
H3 0.000 -0.561 -1.012
H4 -1.069 0.000 0.661
H5 1.069 0.000 0.661

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.28231.28231.18931.1893
H21.28231.12262.06382.0638
H31.28231.12262.06382.0638
H41.18932.06382.06382.1386
H51.18932.06382.06382.1386

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 51.919 H2 B1 H4 113.180
H2 B1 H5 113.180 H3 B1 H4 113.180
H3 B1 H5 113.180 H4 B1 H5 128.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.286      
2 H 0.094      
3 H 0.094      
4 H 0.049      
5 H 0.049      


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 -1.278 1.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.973 0.000 0.000
y 0.000 -9.489 0.000
z 0.000 0.000 -8.262
Traceless
 xyz
x -1.097 0.000 0.000
y 0.000 -0.371 0.000
z 0.000 0.000 1.468
Polar
3z2-r22.937
x2-y2-0.484
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.290 0.000 0.000
y 0.000 1.938 0.000
z 0.000 0.000 3.192


<r2> (average value of r2) Å2
<r2> 11.712
(<r2>)1/2 3.422