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All results from a given calculation for BH4 (borohydride)

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-26.950860
Energy at 298.15K-26.953383
HF Energy-26.950860
Nuclear repulsion energy10.214024
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 BLYP/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 2629 2615 28.25      
2 A1 2010 1999 68.91      
3 A1 1214 1208 23.43      
4 A1 763 759 6.81      
5 A2 449 447 0.00      
6 B1 2746 2731 69.38      
7 B1 1049 1043 0.12      
8 B2 1836 1826 7.82      
9 B2 744 740 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 6720.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 6683.1 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 BLYP/3-21G
ABC
5.59031 4.34691 3.09781

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.137
H2 0.000 0.600 -1.015
H3 0.000 -0.600 -1.015
H4 -1.066 0.000 0.672
H5 1.066 0.000 0.672

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.29961.29961.19251.1925
H21.29961.20022.08432.0843
H31.29961.20022.08432.0843
H41.19252.08432.08432.1316
H51.19252.08432.08432.1316

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 55.003 H2 B1 H4 113.448
H2 B1 H5 113.448 H3 B1 H4 113.448
H3 B1 H5 113.448 H4 B1 H5 126.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.329      
2 H 0.086      
3 H 0.086      
4 H 0.079      
5 H 0.079      


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 -1.191 1.191
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.260 0.000 0.000
y 0.000 -9.681 0.000
z 0.000 0.000 -8.685
Traceless
 xyz
x -1.077 0.000 0.000
y 0.000 -0.209 0.000
z 0.000 0.000 1.286
Polar
3z2-r22.572
x2-y2-0.579
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.128 0.000 0.000
y 0.000 1.939 0.000
z 0.000 0.000 3.069


<r2> (average value of r2) Å2
<r2> 12.012
(<r2>)1/2 3.466