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

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 D3H 1A1'
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-26.552551
Energy at 298.15K-26.553983
HF Energy-26.552551
Nuclear repulsion energy7.390277
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' 2505 2487 0.00      
2 A2" 1120 1112 71.66      
3 E' 2639 2621 112.64      
3 E' 2639 2621 112.71      
4 E' 1155 1147 10.18      
4 E' 1155 1147 10.17      

Unscaled Zero Point Vibrational Energy (zpe) 5606.0 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 5567.3 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
7.76857 7.76857 3.88428

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 0.000
H2 0.000 1.198 0.000
H3 1.038 -0.599 0.000
H4 -1.038 -0.599 0.000

Atom - Atom Distances (Å)
  B1 H2 H3 H4
B11.19811.19811.1981
H21.19812.07522.0752
H31.19812.07522.0752
H41.19812.07522.0752

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 PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.104      
2 H 0.035      
3 H 0.035      
4 H 0.035      


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 -9.374 0.000 0.000
y 0.000 -9.374 0.000
z 0.000 0.000 -7.288
Traceless
 xyz
x -1.043 0.000 0.000
y 0.000 -1.043 0.000
z 0.000 0.000 2.085
Polar
3z2-r24.171
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 2.840 0.000 0.000
y 0.000 2.840 0.000
z 0.000 0.000 1.882


<r2> (average value of r2) Å2
<r2> 9.727
(<r2>)1/2 3.119