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All results from a given calculation for LiBe (Lithium Beryllium)

using model chemistry: PBE1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at PBE1PBE/cc-pVTZ
 hartrees
Energy at 0K-22.121333
Energy at 298.15K-22.120132
HF Energy-22.121333
Nuclear repulsion energy2.460020
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 PBE1PBE/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 Σ 345 332 8.42      

Unscaled Zero Point Vibrational Energy (zpe) 172.5 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 165.7 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 PBE1PBE/cc-pVTZ
B
0.64132

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.475
Be2 0.000 0.000 1.106

Atom - Atom Distances (Å)
  Li1 Be2
Li12.5813
Be22.5813

picture of Lithium Beryllium state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.045      
2 Be -0.045      


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 -2.851 2.851
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.379 0.000 0.000
y 0.000 -13.379 0.000
z 0.000 0.000 -12.643
Traceless
 xyz
x -0.368 0.000 0.000
y 0.000 -0.368 0.000
z 0.000 0.000 0.736
Polar
3z2-r21.472
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 16.913 0.000 0.000
y 0.000 16.913 0.000
z 0.000 0.000 44.268


<r2> (average value of r2) Å2
<r2> 19.626
(<r2>)1/2 4.430