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Title: A structural study of the interaction of dibenzyldiaza-18-crown-6 with neodymium(III) nitrate hexahydrate
Authors: Saleh, M.I. 
Salhin, A. 
Saad, B. 
Zain, S.M. 
Rahman, N.A. 
Arifin, Z. 
Issue Date: 1998
Abstract: The structure of the complex salt, [C26H40N2O4][Nd(NO3)5(H2O)] (1), was determined by single crystal X-ray diffraction. It consists of alternating layers of the anionic complex, [Nd(NO3)5(H2O)]2-, and the cationic diprotonated [2H.azacrown]2+. The Nd3+ complex anion is coordinated to five bidentate nitrate ligands and a water ligand to give an 11-coordinated environment. Each Nd moiety is linked to another through intermolecular hydrogen bonding to form pairs of Nd moieties. The azacrown adopts a chair conformation and the benzyl groups are attached to the nitrogen atoms in an anti position with respect to each other, above and below the plane of the macro-ring in agreement with the conformation of the uncomplexed protonated azacrown as obtained by the PM3 method.
Appears in Collections:COE Scholarly Publication

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