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All results from a given calculation for BH4 (borohydride)

using model chemistry: M06-2X/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 M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-27.115996
Energy at 298.15K-27.118757
HF Energy-27.115996
Nuclear repulsion energy10.376290
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 M06-2X/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 2718 2589 35.73      
2 A1 2165 2062 95.95      
3 A1 1372 1307 49.33      
4 A1 1017 968 0.66      
5 A2 738 702 0.00      
6 B1 2843 2708 67.50      
7 B1 1055 1005 0.33      
8 B2 2026 1930 5.63      
9 B2 700 667 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 7316.9 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 6968.6 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 M06-2X/6-31G(2df,p)
ABC
5.90107 4.52045 3.09180

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.147
H2 0.000 0.530 -1.023
H3 0.000 -0.530 -1.023
H4 -1.066 0.000 0.655
H5 1.066 0.000 0.655

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.28501.28501.18061.1806
H21.28501.06052.05762.0576
H31.28501.06052.05762.0576
H41.18062.05762.05762.1317
H51.18062.05762.05762.1317

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 48.744 H2 B1 H4 113.061
H2 B1 H5 113.061 H3 B1 H4 113.061
H3 B1 H5 113.061 H4 B1 H5 129.060
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.288      
2 H 0.121      
3 H 0.121      
4 H 0.023      
5 H 0.023      


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 -1.306 1.306
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.996 0.000 0.000
y 0.000 -9.487 0.000
z 0.000 0.000 -8.159
Traceless
 xyz
x -1.173 0.000 0.000
y 0.000 -0.410 0.000
z 0.000 0.000 1.583
Polar
3z2-r23.166
x2-y2-0.509
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.403 0.000 0.000
y 0.000 2.167 0.000
z 0.000 0.000 3.194


<r2> (average value of r2) Å2
<r2> 11.650
(<r2>)1/2 3.413