The 2,6-Diiodopyridine ,its cas register number is 53710-17-1.It also can be called as Pyridine, 2,6-diiodo- and the IUPAC name about this chemicals is 2,6-Diiodopyridine .The title compound, C₅H₃I₂N, crystallizes in the polar space group Fmm2, with crystallographic mm2 symmetry imposed on the molecule. Molecules are linked through C-HN hydrogen bonding to form chains which are, in turn, joined through weak II halogen-bonding interactions to form layers. The pyridine ring lies parallel to the polar z axis and has the N atom pointing in the +z direction. The layers stack in a polar fashion normal to the a axis and the absolute structure has been determined.It belongs to the Pyridine and its hazardclass is irritant.

Following are the chemical properties about 2,6-Diiodopyridine :(1)#H bond acceptors: 1 ; (2)#H bond donors: 0 ; (3)#Freely Rotating Bonds: 0 ; (4)Polar Surface Area: 12.89 Å² ; (5)Index of Refraction: 1.721 ; (6)Molar Refractivity: 50.158 cm³ ; (7)Molar Volume: 126.803 cm³ ; (8)Polarizability: 19.884x10^-24cm³ ; (9)Surface Tension: 59.815 dyne/cm; (10)Enthalpy of Vaporization: 53.593 kJ/mol ; (11)Vapour Pressure: 0.001 mmHg at 25°C

This chemicals can be described computed from structure:
(1)Canonical SMILES: C1=CC(=NC(=C1)I)I
(2)InChI: InChI=1S/C5H3I2N/c6-4-2-1-3-5(7)8-4/h1-3H
(3)InChIKey: IHBAEQUKKOAEES-UHFFFAOYSA-N