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Pal TK, Neogi S, Bharadwaj PK. Versatile Tailoring of Paddle-Wheel Zn(II) Metal-Organic Frameworks through Single-Crystal-to-Single-Crystal Transformations. Chemistry. 2015;21(45):16083-90doi: 10.1002/chem.201502648.
Pal, T. K., Neogi, S., & Bharadwaj, P. K. (2015). Versatile Tailoring of Paddle-Wheel Zn(II) Metal-Organic Frameworks through Single-Crystal-to-Single-Crystal Transformations. Chemistry (Weinheim an der Bergstrasse, Germany), 21(45), 16083-90. https://doi.org/10.1002/chem.201502648
Pal, Tapan K, et al. "Versatile Tailoring of Paddle-Wheel Zn(II) Metal-Organic Frameworks through Single-Crystal-to-Single-Crystal Transformations." Chemistry (Weinheim an der Bergstrasse, Germany) vol. 21,45 (2015): 16083-90. doi: https://doi.org/10.1002/chem.201502648
Pal TK, Neogi S, Bharadwaj PK. Versatile Tailoring of Paddle-Wheel Zn(II) Metal-Organic Frameworks through Single-Crystal-to-Single-Crystal Transformations. Chemistry. 2015 Nov 02;21(45):16083-90. doi: 10.1002/chem.201502648. Epub 2015 Sep 18. PMID: 26383591.
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Chemistry. 2015 Nov 02;21(45):16083-90. doi: 10.1002/chem.201502648. Epub 2015 Sep 18.

Versatile Tailoring of Paddle-Wheel Zn(II) Metal-Organic Frameworks through Single-Crystal-to-Single-Crystal Transformations.

Chemistry (Weinheim an der Bergstrasse, Germany)

Tapan K Pal, Subhadip Neogi, Parimal K Bharadwaj

Affiliations

  1. Department of Chemistry, Indian Institute of Technology Kanpur, 208016 (India).
  2. Inorganic Materials & Catalysis Division, Central Salt and Marine, Chemicals Research Institute (CSIR), Bhavnagar-364002, Gujarat (India).
  3. Department of Chemistry, Indian Institute of Technology Kanpur, 208016 (India). [email protected].

PMID: 26383591 DOI: 10.1002/chem.201502648

Abstract

A new tetracarboxylate ligand having short and long arms formed 2D layer Zn(II) coordination polymer 1 with paddle-wheel secondary building units under solvothermal conditions. The framework undergoes solvent-specific single crystal-to-single crystal (SC-SC) transmetalation to produce 1Cu . With a sterically encumbered dipyridyl linker, the same ligand forms non-interpenetrated, 3D, pillared-layer Zn(II) metal-organic framework (MOF) 2, which takes part in SC-SC linker-exchange reactions to produce three daughter frameworks. The parent MOF 2 shows preferential incorporation of the longest linker in competitive linker-exchange experiments. All the 3D MOFs undergo complete SC-SC transmetalation with Cu(II) , whereby metal exchange in different solvents and monitoring of X-ray structures revealed that bulky solvated metal ions lead to ordering of the shortest linker in the framework, which confirms that the solvated metal ions enter through the pores along the linker axis.

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: carboxylate ligands; layered compounds; metal-organic frameworks; metalation; zinc

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