Isomerism in double-pillared-layer coordination polymers - structures and photoreactivity

IUCrJ
In-Hyeok ParkJagadese J Vittal

Abstract

The existence of isomerism in coordination polymeric structures offers opportunities to understand structure-function relationships. Herein the serendipitous isolation is reported of two isomeric double-pillared-layer coordination polymeric structures arising from two different types of carboxyl-ate bonding of benzene-1,4-di-carboxyl-ate ligands to zinc(II), which constitutes a new type of structural isomerism. The different bonding modes not only alter the shape and size of the pores, but also the nature of interpenetration and photoreactivity. Although two trans,cis,trans-bpeb ligands with conjugated olefin bonds are aligned in close proximity in both of the structures, one isomer undergoes a double [2 + 2] cyclo-addition reaction and the second isomer only offers an incomplete single cyclo-addition product. This work demonstrates how small changes in the structural connectivity can have an impact on the overall structural, physical and chemical properties of such materials.

References

Apr 29, 2004·Angewandte Chemie·Susumu KitagawaShin-ichiro Noro
Jul 14, 2006·The Journal of Physical Chemistry. B·Partha MahataSrinivasan Natarajan
Jan 12, 2008·Chemical Communications : Chem Comm·Abdul Malik Puthan PeedikakkalJagadese J Vittal
Apr 23, 2009·Chemical Society Reviews·Jeffrey R Long, Omar M Yaghi
Jul 23, 2009·Chemical Society Reviews·Jie-Peng ZhangXiao-Ming Chen
Aug 18, 2009·Journal of the American Chemical Society·Joobeom SeoSusumu Kitagawa
Jul 8, 2010·Inorganic Chemistry·Abdul Malik Puthan PeedikakkalJagadese J Vittal
Jul 24, 2010·Nature Materials·Hiroshi SatoSusumu Kitagawa
Dec 3, 2010·Nature Chemistry·Satoshi HorikeSusumu Kitagawa
Jan 28, 2012·Chemical Reviews·Hong-Cai ZhouOmar M Yaghi
Nov 13, 2012·Dalton Transactions : an International Journal of Inorganic Chemistry·Yun GongJian-Hua Lin
Jun 5, 2013·Chemical Communications : Chem Comm·Tamas PandaRahul Banerjee
Dec 18, 2013·Angewandte Chemie·In-Hyeok ParkJagadese J Vittal
Jul 11, 2014·Chemical Society Reviews·Vincent GuillermMohamed Eddaoudi
Jan 9, 2015·Acta Crystallographica. Section C, Structural Chemistry·Anthony L Spek

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Methods Mentioned

BETA
X-ray
1
H
NMR

Software Mentioned

APEX2
SHELXTL
PLATON

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