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 NaCl (Sodium Chloride)

using model chemistry: wB97X-D/6-31G*

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 wB97X-D/6-31G*
 hartrees
Energy at 0K-622.523113
Energy at 298.15K-622.523613
HF Energy-622.523113
Nuclear repulsion energy 
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 wB97X-D/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 349 331 48.07      

Unscaled Zero Point Vibrational Energy (zpe) 174.4 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 165.4 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 wB97X-D/6-31G*
B
0.21233

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 -1.454
Cl2 0.000 0.000 0.941

Atom - Atom Distances (Å)
  Na1 Cl2
Na12.3945
Cl22.3945

picture of Sodium Chloride state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Na 0.607      
2 Cl -0.607      


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 -9.198 9.198
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.134 0.000 0.000
y 0.000 -19.134 0.000
z 0.000 0.000 -10.717
Traceless
 xyz
x -4.208 0.000 0.000
y 0.000 -4.208 0.000
z 0.000 0.000 8.416
Polar
3z2-r216.833
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 2.595 0.000 0.000
y 0.000 2.595 0.000
z 0.000 0.000 4.299


<r2> (average value of r2) Å2
<r2> 48.426
(<r2>)1/2 6.959