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

using model chemistry: BLYP/3-21G

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 BLYP/3-21G
 hartrees
Energy at 0K-213.487338
Energy at 298.15K-213.486005
HF Energy-213.487338
Nuclear repulsion energy8.250794
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 BLYP/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 Σ 147 146 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 73.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 72.8 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 BLYP/3-21G
B
0.27153

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -2.309
Mg2 0.000 0.000 0.770

Atom - Atom Distances (Å)
  Be1 Mg2
Be13.0786
Mg23.0786

picture of Beryllium Magnesium state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be -0.101      
2 Mg 0.101      


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 0.458 0.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.559 0.000 0.000
y 0.000 -19.559 0.000
z 0.000 0.000 -23.445
Traceless
 xyz
x 1.943 0.000 0.000
y 0.000 1.943 0.000
z 0.000 0.000 -3.886
Polar
3z2-r2-7.771
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 13.258 0.000 0.000
y 0.000 13.258 0.000
z 0.000 0.000 27.273


<r2> (average value of r2) Å2
<r2> 41.458
(<r2>)1/2 6.439