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All results from a given calculation for MgCl (magnesium monochloride)

using model chemistry: ROHF/6-31G*

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 ROHF/6-31G*
 hartrees
Energy at 0K-659.146926
Energy at 298.15K-659.146976
Nuclear repulsion energy48.318586
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 ROHF/6-31G*
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 459 409 90.80      

Unscaled Zero Point Vibrational Energy (zpe) 229.7 cm-1
Scaled (by 0.8904) Zero Point Vibrational Energy (zpe) 204.5 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 ROHF/6-31G*
B
0.23738

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.310
Cl2 0.000 0.000 0.924

Atom - Atom Distances (Å)
  Mg1 Cl2
Mg12.2342
Cl22.2342

picture of magnesium monochloride state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 0.431      
2 Cl -0.431      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.710 0.000 0.000
y 0.000 -22.710 0.000
z 0.000 0.000 -26.562
Traceless
 xyz
x 1.926 0.000 0.000
y 0.000 1.926 0.000
z 0.000 0.000 -3.851
Polar
3z2-r2-7.703
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 50.068
(<r2>)1/2 7.076