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All results from a given calculation for Mg2 (Magnesium diatomic)

using model chemistry: M06-2X/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at M06-2X/STO-3G
 hartrees
Energy at 0K-394.953138
Energy at 298.15K-394.953131
HF Energy-394.953138
Nuclear repulsion energy27.840946
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/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 287 287 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 143.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 143.5 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/STO-3G
B
0.18764

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 1.369
Mg2 0.000 0.000 -1.369

Atom - Atom Distances (Å)
  Mg1 Mg2
Mg12.7370
Mg22.7370

picture of Magnesium diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 0.000      
2 Mg 0.000      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.888 0.000 0.000
y 0.000 -13.888 0.000
z 0.000 0.000 -15.052
Traceless
 xyz
x 0.582 0.000 0.000
y 0.000 0.582 0.000
z 0.000 0.000 -1.163
Polar
3z2-r2-2.327
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 3.581 0.000 0.000
y 0.000 3.581 0.000
z 0.000 0.000 9.264


<r2> (average value of r2) Å2
<r2> 53.865
(<r2>)1/2 7.339