Research Article: Tetra­kis(nitrato-κ2O,O′)[N,N′-1,4-phenyl­enebis(pyridine-4-carboxamide)-κN1](4-{[4-(pyridine-4-carboxamido-κN1)phen­yl]carbamo­yl}pyridin-1-ium)neodymium(III)

Date Published: April 01, 2012

Publisher: International Union of Crystallography

Author(s): Yun Zhang, Jiao-Jiao Hao, Hu Zhou.


In the title compound, [Nd(NO3)4(C18H15N4O2)(C18H14N4O2)], the NdIII centre is located on a twofold axis and exhibits a ten-coordinated distorted bicapped square-anti­prismatic geometry. The pyridinium NH H atom is disordered over the two ligands. Adjacent mononuclear clusters are linked through N—H⋯O and N—H⋯N hydrogen-bonding inter­actions, generating layers in the (102) plane.

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For general background to octa­cyano­metallate-based compounds, see: Sieklucka et al. (2011 ▶); Zhou et al. (2010 ▶); Bok et al. (1975 ▶). For background to N,N′-bis­(4-pyridyl­formamide)-1,4-benzene, see: Niu et al. (2004 ▶); Pansanel et al. (2006 ▶); Song et al. (2009 ▶).