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All results from a given calculation for BH4 (borohydride)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-27.095664
Energy at 298.15K-27.098341
HF Energy-27.095664
Nuclear repulsion energy10.292298
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 PBEPBE/cc-pVTZ
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 2588 2570 28.36      
2 A1 2105 2091 73.68      
3 A1 1373 1364 36.01      
4 A1 993 986 0.06      
5 A2 596 592 0.00      
6 B1 2706 2688 67.74      
7 B1 1016 1009 0.13      
8 B2 1985 1971 0.30      
9 B2 682 677 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 7021.7 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 6973.3 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 PBEPBE/cc-pVTZ
ABC
5.79110 4.46064 3.03874

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.150
H2 0.000 0.532 -1.031
H3 0.000 -0.532 -1.031
H4 -1.077 0.000 0.657
H5 1.077 0.000 0.657

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.29551.29551.19081.1908
H21.29551.06482.07242.0724
H31.29551.06482.07242.0724
H41.19082.07242.07242.1548
H51.19082.07242.07242.1548

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 48.527 H2 B1 H4 112.854
H2 B1 H5 112.854 H3 B1 H4 112.854
H3 B1 H5 112.854 H4 B1 H5 129.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.337      
2 H 0.121      
3 H 0.121      
4 H 0.047      
5 H 0.047      


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 -1.347 1.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.394 0.000 0.000
y 0.000 -9.974 0.000
z 0.000 0.000 -8.435
Traceless
 xyz
x -1.190 0.000 0.000
y 0.000 -0.559 0.000
z 0.000 0.000 1.749
Polar
3z2-r23.499
x2-y2-0.421
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.978 0.000 0.000
y 0.000 2.860 0.000
z 0.000 0.000 3.684


<r2> (average value of r2) Å2
<r2> 11.988
(<r2>)1/2 3.462