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All results from a given calculation for BeMg (Beryllium Magnesium)

using model chemistry: PBEPBEultrafine/cc-pVTZ

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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-214.586465
Energy at 298.15K-214.585213
HF Energy-214.586465
Nuclear repulsion energy8.599746
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 PBEPBEultrafine/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 197 196 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 98.5 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 97.8 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 PBEPBEultrafine/cc-pVTZ
B
0.29498

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -2.215
Mg2 0.000 0.000 0.738

Atom - Atom Distances (Å)
  Be1 Mg2
Be12.9536
Mg22.9536

picture of Beryllium Magnesium state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be -0.083      
2 Mg 0.083      


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 0.737 0.737
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.162 0.000 0.000
y 0.000 -19.162 0.000
z 0.000 0.000 -24.222
Traceless
 xyz
x 2.530 0.000 0.000
y 0.000 2.530 0.000
z 0.000 0.000 -5.060
Polar
3z2-r2-10.121
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 13.816 0.000 0.000
y 0.000 13.816 0.000
z 0.000 0.000 30.117


<r2> (average value of r2) Å2
<r2> 39.194
(<r2>)1/2 6.260