Topochemical Route from Supramolecular to Hybrid Materials: Tetraphenylmethane-Based Tectons and Lanthanum Phosphonate Derivative

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• 作者：Olivier Perez ; Clarisse Bloyet ; Jean-Michel Rueff ; Nicolas Barrier ; Vincent Caignaert ; Paul-Alain Jaffrès ; Bernard Raveau
• 刊名：Crystal Growth & Design
• 出版年：2016
• 出版时间：December 7, 2016
• 年：2016
• 卷：16
• 期：12
• 页码：6781-6789
• 全文大小：726K
• ISSN：1528-7505

文摘

Three members of the tetraphenylmethane (TPM) phosphonate based family have been obtained: the acid [C₆H₄PO(OH)₂]₄C·2H₂O, the ester [C₆H₄PO(OEt)₂]₄C·H₂O, and the lanthanum phosphonate La[C₆H₄PO_7/4(OH)_5/4]₄C·4H₂O. Their structures were revealed to be closely related to those of a series of tetrahedral tetraphosphonic acids templated or not by organic bases. The structural analysis of all these compounds allows their topochemical behavior to be understood on the basis of the existence of close packed columns, built up of CsCl-like pseudocubic bricks, involving one tetrahedral [C₆H₄]₄C group surrounded by four PO₃C tetrahedra. This model, complementary to the methodology developed by Zareba et al., paves the way to the research of TPM-based metal phosphonates in view of generating columnar hybrid materials.