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Experimental data for NaI (Sodium Iodide)

22 02 02 11 45
INChI INChIKey SMILES IUPAC name
InChI=1S/HI.Na/h1H;/q;+1/p-1 FVAUCKIRQBBSSJ-UHFFFAOYSA-M [Na]I
State Conformation
1Σ C*V
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference
1 Σ   258 webbook      

Detailed diatomic data
ωe ωexe ωeye Be αe ZPE reference
258 1 0.1178056 0.0006477 webbook

vibrational zero-point energy:   cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for NaI (Sodium Iodide).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
  0.11781   NISTDiatomic

Calculated rotational constants for NaI (Sodium Iodide).
Product of moments of inertia moments of inertia
143.097amu Å2   2.376219E-38gm cm2
Geometric Data
picture of Sodium Iodide

Point Group C∞v


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4
rNaI 2.711   1 2 NISTDiatomics

Cartesians
Atom x (Å) y (Å) z (Å)
Na1 0.0000 0.0000 0.0000
I2 0.0000 0.0000 2.7115

Atom - Atom Distances bond lengths
Distances in Å
  Na1 I2
Na1   2.7115
I2 2.7115  

Calculated geometries for NaI (Sodium Iodide).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
Na-I 1

Connectivity
Atom 1 Atom 2
Na1 I2
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1Σ

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
7.620 0.020     webbook

Electron Affinity (eV)
Electron Affinity unc. reference
0.870 0.100 webbook
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 1Σ C∞v True     9.236 9.236 NISTDiatomic   C∞v 1 1
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for NaI (Sodium Iodide).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 1Σ C∞v True       C∞v 1 1

Calculated electric quadrupole moments for NaI (Sodium Iodide).

References
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squib reference DOI
NISTdiatomic NIST Diatomic Spectral Database (www.physics.nist.gov/PhysRefData/MolSpec/Diatomic/index.html) 10.18434/T4T59X
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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