Issue 28, 2015

Isomorphous three-component crystals (pseudopolymorphs of binary cocrystals) based on lattice inclusion of guests with a sterically-rigidified tetraarylpyrene host

Abstract

Based on structural studies already available for the cocrystals of a sterically-rigidified tetraarylpyrene (TP) host substituted at the periphery by flexible methoxymethyl (MM) groups, i.e., TPMM, with aliphatic guests, formation of ternary or three-component cocrystals was targeted by replacing one of the guest species in the binary cocrystals with a different guest. Ternary cocrystals of TPMM with cyclododecene + cyclodecane, cyclododecene + cyclooctane and cyclododecene + decalin pairs were indeed successfully isolated and characterized by single-crystal X-ray structure determination. The ternary cocrystals, in principle, constitute ‘isomorphous pseudopolymorphs’ of binary cocrystals of TPMM with cyclododecene.

Graphical abstract: Isomorphous three-component crystals (pseudopolymorphs of binary cocrystals) based on lattice inclusion of guests with a sterically-rigidified tetraarylpyrene host

  • This article is part of the themed collection: Polymorphism

Supplementary files

Article information

Article type
Paper
Submitted
02 fev 2015
Accepted
05 mai 2015
First published
06 mai 2015

CrystEngComm, 2015,17, 5307-5314

Isomorphous three-component crystals (pseudopolymorphs of binary cocrystals) based on lattice inclusion of guests with a sterically-rigidified tetraarylpyrene host

J. N. Moorthy, P. Natarajan, M. S. Krishna, H. Nagarajaiah and P. Venugopalan, CrystEngComm, 2015, 17, 5307 DOI: 10.1039/C5CE00243E

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