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Catena-Poly[[lead(II)-?-N'-[1-(pyridin-2-yl-?N)ethyl-idene]isonicotino-hydrazidato-?N',O:N] perchlorate].

ABSTRACT: The Pb(II) atom in the polymeric title compound, {[Pb(C(13)H(11)N(4)O)]ClO(4)}(n), is coordinated by the N'-[1-(pyridin-2-yl-?N)ethyl-idene]isonicotinohydrazidate ligand via its O,N,N'-donors and simultaneously bridged by a neighbouring ligand via the pyridin-2-yl N atom. The resultant supra-molecular chain is a zigzag along the a axis. The stereochemistry of the Pb(II) atom is defined by an N(3)OE donor set (E = lone pair of electrons), which results in a ?-trigonal-bipyramidal coordination with the O and pyridin-2-yl N atoms in axial positions. The dihedral angle between the pyridine rings of the ligand is 6.3?(3)°. The supra-molecular cationic chains are linked into a three-dimensional array via secondary Pb?O [3.133?(6) and 3.28?(7)?Å] and Pb?N [3.028?(4)?Å] inter-actions. Weak C-H?O inter-actions and aromatic ?-? stacking [centroid-centroid separation = 3.693?(2)?Å] also occur in the crystal.

SUBMITTER: Shahverdizadeh GH 

PROVIDER: S-EPMC3238641 | biostudies-literature | 2011 Dec

REPOSITORIES: biostudies-literature

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catena-Poly[[lead(II)-μ-N'-[1-(pyridin-2-yl-κN)ethyl-idene]isonicotino-hydrazidato-κN',O:N] perchlorate].

Shahverdizadeh Gholam Hossein GH   Tiekink Edward R T ER   Mirtamizdoust Babak B  

Acta crystallographica. Section E, Structure reports online 20111109 Pt 12

The Pb(II) atom in the polymeric title compound, {[Pb(C(13)H(11)N(4)O)]ClO(4)}(n), is coordinated by the N'-[1-(pyridin-2-yl-κN)ethyl-idene]isonicotinohydrazidate ligand via its O,N,N'-donors and simultaneously bridged by a neighbouring ligand via the pyridin-2-yl N atom. The resultant supra-molecular chain is a zigzag along the a axis. The stereochemistry of the Pb(II) atom is defined by an N(3)OE donor set (E = lone pair of electrons), which results in a Ψ-trigonal-bipyramidal coordination wit  ...[more]

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