return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B97D3/6-311+G(3df,2p)

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 B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-660.342091
Energy at 298.15K-660.342102
HF Energy-660.342091
Nuclear repulsion energy47.985798
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 B97D3/6-311+G(3df,2p)
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 411 405 55.06      

Unscaled Zero Point Vibrational Energy (zpe) 205.3 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 202.6 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 B97D3/6-311+G(3df,2p)
B
0.23413

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Mg1 0.000 0.000 -1.319
Cl2 0.000 0.000 0.931

Atom - Atom Distances (Å)
  Mg1 Cl2
Mg12.2497
Cl22.2497

picture of magnesium monochloride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Mg 0.443      
2 Cl -0.443      


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 -2.953 2.953
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.160 0.000 0.000
y 0.000 -23.160 0.000
z 0.000 0.000 -25.030
Traceless
 xyz
x 0.935 0.000 0.000
y 0.000 0.935 0.000
z 0.000 0.000 -1.870
Polar
3z2-r2-3.740
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 10.130 0.000 0.000
y 0.000 10.130 0.000
z 0.000 0.000 10.520


<r2> (average value of r2) Å2
<r2> 50.456
(<r2>)1/2 7.103