Solvothermal synthesis and structures of one-and two-dimensional zinc phosphates

Mandal, Sukhendu ; Natarajan, Srinivasan (2004) Solvothermal synthesis and structures of one-and two-dimensional zinc phosphates Inorganica Chimica Acta, 357 (5). pp. 1437-1443. ISSN 0020-1693

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Two new zinc phosphates, [C8N4H26][Zn2 (HPO4)4] (I) and [C8N4H26] [Zn6(PO4)4(HPO4)2] (II) have been synthesized employing solvothermal reactions in the presence of N,N'(3-bisaminopropyl)-1,2-ethylenediamine. The structure of I consists of ZnO4 and HPO4 tetrahedra, forming four-membered rings, which are connected edgewise giving rise to the one-dimensional ladders. HPO4 units also hang from the Zn center into the inter-ladder spaces along with the organic amine molecules. In II, the connectivity between ZnO4, PO4 and HPO4 tetrahedral units gives rise to a two-dimensional layered structure with eight-membered apertures. The amine molecule occupies the center of these apertures and interacts with the layer through hydrogen bonds. The formation of one-dimensional tube-like structure in II is noteworthy. The self-complementary three-dimensional hydrogen bonded framework formed between the ladders in I,[C8N4H26] [Zn6(HPO4)4]. The view is down the ladder axis. Note that the amine molecules are situated within the channels. Dotted lines are the possible hydrogen bond interactions.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Zinc Phosphate; Hydrothermal; One-dimensional; Layer-structure
ID Code:27773
Deposited On:11 Dec 2010 07:56
Last Modified:04 Mar 2011 10:04

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