Concomitant dimorphism and helical self-assembly in a C2h-symmetric ‘locked’ cyclitol

Goverdhan Mehta; Saikat Sen; Kailasam Venkatesan

doi:10.1039/B506591G

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Concomitant dimorphism and helical self-assembly in a C_2h-symmetric ‘locked’ cyclitol†

Goverdhan Mehta,*^a Saikat Sen^a and Kailasam Venkatesan^a

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* Corresponding authors

^a Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
E-mail: gm@orgchem.iisc.ernet.in
Fax: +91-80-23600936
Tel: +91 80 2293 2850

Abstract

A conformationally locked C_2h symmetric tetrol concomitantly crystallized in two polymorphic modifications, differing principally in the mode of molecular association by C–H⋯O hydrogen bonds; the non-centrosymmetric tetragonal polymorph exhibits two complementary helical molecular arrangements mediated by O–H⋯O and C–H⋯O hydrogen bonds.

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Article information

DOI: https://doi.org/10.1039/B506591G
Article type: Communication
Submitted: 10 May 2005
Accepted: 06 Jun 2005
First published: 20 Jun 2005

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CrystEngComm, 2005,7, 398-401

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Concomitant dimorphism and helical self-assembly in a C_2h-symmetric ‘locked’ cyclitol

G. Mehta, S. Sen and K. Venkatesan, CrystEngComm, 2005, 7, 398 DOI: 10.1039/B506591G

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