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All results from a given calculation for BH4 (borohydride)

using model chemistry: ROHF/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 ROHF/3-21G*
 hartrees
Energy at 0K-26.723854
Energy at 298.15K-26.726659
HF Energy-26.723854
Nuclear repulsion energy10.362991
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 ROHF/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 2761 2508 39.62      
2 A1 2126 1931 120.58      
3 A1 1332 1210 60.65      
4 A1 725 659 38.50      
5 A2 954 866 0.00      
6 B1 2876 2613 105.67      
7 B1 1144 1040 3.53      
8 B2 2043 1856 8.80      
9 B2 850 772 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 7405.6 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 6728.0 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 ROHF/3-21G*
ABC
5.88530 4.47083 3.12222

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.139
H2 0.000 0.554 -1.017
H3 0.000 -0.554 -1.017
H4 -1.056 0.000 0.668
H5 1.056 0.000 0.668

Atom - Atom Distances (Å)
  B1 H2 H3 H4 H5
B11.28201.28201.18091.1809
H21.28201.10732.06432.0643
H31.28201.10732.06432.0643
H41.18092.06432.06432.1114
H51.18092.06432.06432.1114

picture of borohydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 51.173 H2 B1 H4 113.835
H2 B1 H5 113.835 H3 B1 H4 113.835
H3 B1 H5 113.835 H4 B1 H5 126.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.133      
2 H 0.054      
3 H 0.054      
4 H 0.013      
5 H 0.013      


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 -1.176 1.176
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.695 0.000 0.000
y 0.000 -10.005 0.000
z 0.000 0.000 -8.996
Traceless
 xyz
x -1.194 0.000 0.000
y 0.000 -0.160 0.000
z 0.000 0.000 1.353
Polar
3z2-r22.707
x2-y2-0.689
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 12.084
(<r2>)1/2 3.476