Novel Flexible Frameworks of Porous Cobalt(II) Coordination Polymers That Show Selective Guest Adsorption Based on the Switching of Hydrogen-Bond Pairs of Amide Groups

Uemura, Kazuhiro; Kitagawa, Susumu; Kondo, Mitsuru; Fukui, Kôichi; Kitaura, Ryo; Chang, Ho‐Chol; Mizutani, Tadashi

doi:10.1002/1521-3765(20020816)8:16<3586::aid-chem3586>3.0.co;2-k

Cited by 398 publications

(199 citation statements)

References 42 publications

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“…34,35,50,51,56,6496 However, after this period, it has been revealed that it is possible to create flexible structures capable of altering crystalline structures in response to physical or chemical stimuli such as absorption and desorption of guest molecules. 14,36,40,41,53,61,67,75,95,97120 Within these structural conversions, we were able to see many instances of (1) coordination bond cleavage and formation, 36,40,121123 (2) hydrogen bond cleavage and formation, 93,124 and (3) changes in the rotation and orientation of organic molecules. 58,60,61,114,117,125,126 These factors arose due to PCPs being inorganic and organic complexes.…”

Section: Porous Coordination Polymer Having Molecular Gatesmentioning

confidence: 94%

Design and Synthesis of Porous Coordination Polymers Showing Unique Guest Adsorption Behaviors

Matsuda

2013

Bulletin of the Chemical Society of Japan

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Gas storage and separation are becoming a high priority area of research due to economic, industrial, and environmental reasons. The last two decades have therefore witnessed dramatic growth in the search for more efficient and adaptable nanoporous materials. In particular, much attention has been focused on porous coordination polymers (PCPs) or metal organic frameworks (MOFs) as new nanoporous materials. Based on the unlimited combination of metal ions and organic ligands, PCPs can provide infinite variety of nanospace in their pores. As molecular adsorption is dependent on the size, shape, and surface nature of nanospace, many unique molecular adsorption or trapping phenomena have been reported in this class of compounds. In this account, I focus on how thoughtful design can lead to the synthesis of porous coordination polymers that demonstrate unprecedented adsorption behavior not found in other porous materials. Examples include selective adsorption of acetylene over carbon dioxide in the CPL series of PCPs, using charge-transfer to induce selective adsorption of nitric oxide and oxygen in TCNQ (7,7,8,8-tetracyano-p-quinodimethane) based PCP and lightinduced on-demand adsorption and structural transformations in CID-based PCPs. The guidelines underpinning such unique, highly selective guest adsorption are discussed.

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Section: Porous Coordination Polymer Having Molecular Gatesmentioning

confidence: 94%

Design and Synthesis of Porous Coordination Polymers Showing Unique Guest Adsorption Behaviors

Matsuda

2013

Bulletin of the Chemical Society of Japan

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“…Studies of flexible coordination polymers have been pioneered by Professor Kitagawa's group at Kyoto University [46][47][48][49]. Since 1990, they have synthesized a great number of porous coordination polymers, providing a variety of properties.…”

Section: Flexible Metal Organic Framework (Mofs)mentioning

confidence: 99%

Crystallography of Representative MOFs Based on Pillared Cyanonickelate (PICNIC) Architecture

2016

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Abstract:The pillared layer motif is a commonly used route to porous coordination polymers or metal organic frameworks (MOFs). Materials based on the pillared cyano-bridged architecture, [Ni'(L)Ni(CN) 4 ] n (L = pillar organic ligands), also known as PICNICs, have been shown to be especially diverse where pore size and pore functionality can be varied by the choice of pillar organic ligand. In addition, a number of PICNICs form soft porous structures that show reversible structure transitions during the adsorption and desorption of guests. The structural flexibility in these materials can be affected by relatively minor differences in ligand design, and the physical driving force for variations in host-guest behavior in these materials is still not known. One key to understanding this diversity is a detailed investigation of the crystal structures of both rigid and flexible PICNIC derivatives. This article gives a brief review of flexible MOFs. It also reports the crystal structures of five PICNICS from our laboratories including three 3-D porous frameworks (Ni-Bpene, NI-BpyMe, Ni-BpyNH2), one 2-D layer (Ni-Bpy), and one 1-D chain (Ni-Naph) compound. The sorption data of BpyMe for CO 2 , CH 4 and N 2 is described. The important role of NH 3 (from the solvent of crystallization) as blocking ligands which prevent the polymerization of the 1-D chains and 2-D layers to become 3D porous frameworks in the Ni-Bpy and Ni-Naph compounds is also addressed.

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“…The field of metal-organic frameworks (MOFs) has grown explosively in recent years [1][2][3][4][5][6][7][8]; numerous studies have been reported owing to the potential applications of MOFs in gas storage [9][10][11][12][13][14][15], separation [16][17][18][19][20][21][22][23], luminescent materials [24][25][26][27][28][29][30][31][32], and heterogeneous catalysis [33][34][35][36][37][38][39][40][41]. While several MOFs have been discovered so far, only a few examples of chiral MOFs for enantiomer separations or heterogeneous asymmetric catalysis have been investigated [42].…”

Section: Introductionmentioning

confidence: 99%

One-Dimensional Helical Homochiral Metal-Organic Framework Built from 2,2′-Dihydroxy-1,1′-binaphthyl-3,3′-dicarboxylic Acid

2011

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Novel Flexible Frameworks of Porous Cobalt(II) Coordination Polymers That Show Selective Guest Adsorption Based on the Switching of Hydrogen-Bond Pairs of Amide Groups

Cited by 398 publications

References 42 publications

Design and Synthesis of Porous Coordination Polymers Showing Unique Guest Adsorption Behaviors

Design and Synthesis of Porous Coordination Polymers Showing Unique Guest Adsorption Behaviors

Crystallography of Representative MOFs Based on Pillared Cyanonickelate (PICNIC) Architecture

One-Dimensional Helical Homochiral Metal-Organic Framework Built from 2,2′-Dihydroxy-1,1′-binaphthyl-3,3′-dicarboxylic Acid

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