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All results from a given calculation for GaH3 (Gallium trihydride)

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 D3H 1A1'
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-1916.849316
Energy at 298.15K-1916.852149
HF Energy-1916.849316
Nuclear repulsion energy31.837062
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' 1826 1809 0.00      
2 A2" 717 711 166.69      
3 E' 1831 1814 230.68      
3 E' 1831 1814 230.70      
4 E' 804 797 139.45      
4 E' 804 797 139.45      

Unscaled Zero Point Vibrational Energy (zpe) 3906.5 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 3870.9 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 PBEPBE/3-21G
ABC
4.49769 4.49769 2.24885

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ga1 0.000 0.000 0.000
H2 0.000 1.575 0.000
H3 1.364 -0.787 0.000
H4 -1.364 -0.787 0.000

Atom - Atom Distances (Å)
  Ga1 H2 H3 H4
Ga11.57461.57461.5746
H21.57462.72732.7273
H31.57462.72732.7273
H41.57462.72732.7273

picture of Gallium trihydride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 Ga1 H3 120.000 H2 Ga1 H4 120.000
H3 Ga1 H4 120.000
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 Ga 0.283      
2 H -0.094      
3 H -0.094      
4 H -0.094      


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 -21.715 0.000 0.000
y 0.000 -21.715 0.000
z 0.000 0.000 -16.016
Traceless
 xyz
x -2.849 0.000 0.000
y 0.000 -2.849 0.000
z 0.000 0.000 5.699
Polar
3z2-r211.397
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 4.160 0.000 0.000
y 0.000 4.161 0.000
z 0.000 0.000 2.116


<r2> (average value of r2) Å2
<r2> 19.814
(<r2>)1/2 4.451