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All results from a given calculation for LiH (Lithium Hydride)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-8.066391
Energy at 298.15K-8.066450
HF Energy-8.066391
Nuclear repulsion energy0.977962
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 mPW1PW91/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 1391 1324 137.14      

Unscaled Zero Point Vibrational Energy (zpe) 695.5 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 662.0 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 mPW1PW91/6-31+G**
B
7.25943

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 0.406
H2 0.000 0.000 -1.217

Atom - Atom Distances (Å)
  Li1 H2
Li11.6233
H21.6233

picture of Lithium Hydride state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.152      
2 H -0.152      


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 5.710 5.710
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -5.717 0.000 0.000
y 0.000 -5.717 0.000
z 0.000 0.000 -6.830
Traceless
 xyz
x 0.556 0.000 0.000
y 0.000 0.556 0.000
z 0.000 0.000 -1.112
Polar
3z2-r2-2.225
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 4.316 0.000 0.000
y 0.000 4.316 0.000
z 0.000 0.000 3.410


<r2> (average value of r2) Å2
<r2> 5.779
(<r2>)1/2 2.404