Volume 136, Issue 1 e202315572
Zuschrift

Self-Assembly of an [M8L24]16+ Intertwined Cube and a Giant [M12L16]24+ Orthobicupola

Arppitha Baby Sainaba

Arppitha Baby Sainaba

Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012 India

These authors contributed equally to this work.

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Mangili Venkateswarulu

Mangili Venkateswarulu

Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012 India

These authors contributed equally to this work.

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Pallab Bhandari

Pallab Bhandari

Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012 India

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Jack K. Clegg

Jack K. Clegg

School of Chemistry and Molecular Biosciences, The University of Queensland-St. Lucia, St. Lucia, Queensland 4072 Australia

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Prof. Partha Sarathi Mukherjee

Corresponding Author

Prof. Partha Sarathi Mukherjee

Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012 India

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First published: 20 November 2023

Abstract

Through coordination-driven self-assembly, aesthetically captivating structures can be formed by tuning the length or flexibility of various components. The self-assembly of an elongated rigid terphenyl-based tetra-pyridyl ligand (L1) with a cis-Pd(II) acceptor produces an [M12L16]24+ triangular orthobicupola structure (1). When flexibility is introduced into the ligand by the incorporation of a -CH2- group between the dipyridylamine and terphenyl rings in the ligand (L2), anunique [M8L24]16+ water-soluble ‘intertwined cubic structure’ (2) results. The inherent flexibility of ligand L2 might be the key factor behind the formation of the thermodynamically stable and ′intertwined cubic structure′ in this scenario. This research showcases the ability to design and fabricate novel, topologically distinctive molecular structures by a straightforward and efficient approach.

Data Availability Statement

The data that support the findings of this study are available in the supplementary material of this article.

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