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All results from a given calculation for BH3 (boron trihydride)

using model chemistry: B3LYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-26.615324
Energy at 298.15K-26.616769
HF Energy-26.615324
Nuclear repulsion energy7.426035
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 B3LYP/6-31G**
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' 2582 2481 0.00      
2 A2" 1163 1117 92.55      
3 E' 2715 2609 126.32      
3 E' 2715 2609 126.33      
4 E' 1213 1166 14.06      
4 E' 1213 1166 14.06      

Unscaled Zero Point Vibrational Energy (zpe) 5801.3 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 5573.9 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 B3LYP/6-31G**
ABC
7.84393 7.84393 3.92196

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.000
H2 0.000 1.192 0.000
H3 1.033 -0.596 0.000
H4 -1.033 -0.596 0.000

Atom - Atom Distances (Å)
  B1 H2 H3 H4
B11.19231.19231.1923
H21.19232.06522.0652
H31.19232.06522.0652
H41.19232.06522.0652

picture of boron trihydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 B1 H3 120.000 H2 B1 H4 120.000
H3 B1 H4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.095      
2 H -0.032      
3 H -0.032      
4 H -0.032      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.017 0.000 0.000
y 0.000 -9.017 0.000
z 0.000 0.000 -6.977
Traceless
 xyz
x -1.020 0.000 0.000
y 0.000 -1.020 0.000
z 0.000 0.000 2.040
Polar
3z2-r24.079
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.352 0.000 0.000
y 0.000 2.352 0.000
z 0.000 0.000 1.213


<r2> (average value of r2) Å2
<r2> 9.472
(<r2>)1/2 3.078