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All results from a given calculation for BH4 (borohydride)

using model chemistry: PBEPBE/3-21G

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/3-21G
 hartrees
Energy at 0K-26.922661
Energy at 298.15K-26.925243
HF Energy-26.922661
Nuclear repulsion energy10.223741
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/3-21G
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 2624 2600 23.19      
2 A1 2038 2019 64.59      
3 A1 1222 1211 28.22      
4 A1 823 816 9.03      
5 A2 513 508 0.00      
6 B1 2748 2723 59.28      
7 B1 1041 1032 0.00      
8 B2 1937 1920 6.63      
9 B2 712 706 2.22      

Unscaled Zero Point Vibrational Energy (zpe) 6829.2 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 6767.1 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/3-21G
ABC
5.64751 4.38469 3.05577

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.143
H2 0.000 0.571 -1.024
H3 0.000 -0.571 -1.024
H4 -1.075 0.000 0.667
H5 1.075 0.000 0.667

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.29901.29901.19611.1961
H21.29901.14142.08392.0839
H31.29901.14142.08392.0839
H41.19612.08392.08392.1496
H51.19612.08392.08392.1496

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 52.124 H2 B1 H4 113.211
H2 B1 H5 113.211 H3 B1 H4 113.211
H3 B1 H5 113.211 H4 B1 H5 127.955
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.389      
2 H 0.096      
3 H 0.096      
4 H 0.099      
5 H 0.099      


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 -1.274 1.274
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.236 0.000 0.000
y 0.000 -9.922 0.000
z 0.000 0.000 -8.557
Traceless
 xyz
x -0.996 0.000 0.000
y 0.000 -0.525 0.000
z 0.000 0.000 1.521
Polar
3z2-r23.043
x2-y2-0.314
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.150 0.000 0.000
y 0.000 1.919 0.000
z 0.000 0.000 3.147


<r2> (average value of r2) Å2
<r2> 12.031
(<r2>)1/2 3.469