Crystal Structure and Thermal Studies of Ruthenium(II) Bisimidazolylterpyridine Hexafluorophosphate Complex

Author： Sathyaraj G.   Weyhermüller T.   Nair Balachandran  

Publisher： Springer Publishing Company

ISSN： 1074-1542

Source： Journal of Chemical Crystallography, Vol.41, Iss.3, 2011-03, pp. : 353-358

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Abstract

A hexafluorophosphate salt of ruthenium(II) bis(4′-(1H-imidazol-2-yl)-2,2′:6′,2″-terpyridine) complex was synthesized. It crystallizes in the monoclinic space group C21/c with unit cell parameters, a = 18.5878(15) Å, b = 15.9546(11) Å, c = 16.1418(12) Å, β = 106.721(3)°, V = 4584.6(6) Å3 and Z = 4. The bond lengths, bond angles and torsional angles of hexafluorophosphate salt of the [Ru(itpy)2]2+ cation show significant change from the nitrate salt of the same cation. Thermogravimetric analysis and differential scanning calorimetry confirm the loss of solvents of crystallization between 100 and 200 °C.Effect of solvent of crystallization on bond lengths, bond angles and torsional angles in ruthenium(II) bisimidazolylterpyridine complex.

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