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

using model chemistry: M06-2X/6-31G(2df,p)

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 M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-214.702078
Energy at 298.15K-214.700674
HF Energy-214.702078
Nuclear repulsion energy7.748596
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 M06-2X/6-31G(2df,p)
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 104 99 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 52.0 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 49.5 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 M06-2X/6-31G(2df,p)
B
0.23948

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -2.459
Mg2 0.000 0.000 0.820

Atom - Atom Distances (Å)
  Be1 Mg2
Be13.2781
Mg23.2781

picture of Beryllium Magnesium state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be 0.106      
2 Mg -0.106      


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 -0.026 0.026
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.101 0.000 0.000
y 0.000 -19.101 0.000
z 0.000 0.000 -20.921
Traceless
 xyz
x 0.910 0.000 0.000
y 0.000 0.910 0.000
z 0.000 0.000 -1.820
Polar
3z2-r2-3.639
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 12.451 0.000 0.000
y 0.000 12.451 0.000
z 0.000 0.000 24.922


<r2> (average value of r2) Å2
<r2> 44.546
(<r2>)1/2 6.674