Synthesis and Structure of Metal Complexes and Coordination Polymers of 3-pyrazol-1-yl Based Ligands PDF Download
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Author:
Publisher:
ISBN:
Category : Coordination polymers
Languages : en
Pages : 496
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Book Description
Author:
Publisher:
ISBN:
Category : Coordination polymers
Languages : en
Pages : 496
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Author: Ali Morsali
Publisher: John Wiley & Sons
ISBN: 1119370752
Category : Science
Languages : en
Pages : 262
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Book Description
Coordination polymer is a general term used to indicate an infinite array composed of metal ions which are bridged by certain ligands among them. This incorporates a wide range of architectures including simple one-dimensional chains with small ligands to large mesoporous frameworks. Generally, the formation process proceeds automatically and, therefore, is called a self-assembly process. In general, the type and topology of the product generated from the self-assembly of inorganic metal nodes and organic spacers depend on the functionality of the ligand and valences and the geometric needs of the metal ions used. In this book the authors explain main group metal coordination polymer in bulk and nano size with some of their application, synthesis method and etc, The properties of these efficient materials are described at length including magnetism (long-range ordering, spin crossover), porosity (gas storage, ion and guest exchange), non-linear optical activity, chiral networks, reactive networks, heterogeneous catalysis, luminescence, multifunctional materials and other properties.
Author: George E. Kostakis
Publisher: MDPI
ISBN: 3038428019
Category : Science
Languages : en
Pages : 131
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Book Description
This book is a printed edition of the Special Issue "Structural Design and Properties of Coordination Polymers" that was published in Crystals
Author: Mona Feizbakhsh Bazargani
Publisher:
ISBN:
Category : Coordination polymers
Languages : de
Pages :
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Author: J. A. McCleverty
Publisher: Elsevier Science
ISBN: 9780080437484
Category : Science
Languages : en
Pages : 314
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Book Description
Comprehensive Coordination Chemistry II (CCC II) is the sequel to what has become a classic in the field, Comprehensive Coordination Chemistry, published in 1987. CCC II builds on the first and surveys new developments authoritatively in over 200 newly comissioned chapters, with an emphasis on current trends in biology, materials science and other areas of contemporary scientific interest.
Author: Şeyma Keskin
Publisher:
ISBN:
Category :
Languages : en
Pages : 380
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Book Description
Conducting polymers that contain metals are remarkable materials, because they have the properties of both organic backbones and metals. Depending on the position of the metal relative to the conjugated backbone, i.e. attached to or directly in the backbone, these two can couple resulting in advancement of the functionality and therefore potential applications of these types of materials. Complexes of tridentate ligands with donor atoms such as phosphorus, nitrogen, and sulfur also have a wide variety of applications. In addition, complexes of tridentate ligands have advantages of stability and control of electron density by variation of donor atoms. Therefore, conjugated polymers with tridentate ligand units will have promise for various applications and advantages in their designs. Complexes of PNP ligand with molybdenum and carbonyl ancillary ligands were synthesized and characterized. Isomerization and conversion reactions between them were investigated as well as the coordination modes. Many types of PNP ligands have been studied in the literature because the hemilabile property of the nitrogen atom promotes some catalytic reactions and gives different coordination geometries. Conducting polymers can be used as redox-active ligands and they can be used to control electron density on the metal attached to them. Synthesis and characterization of a novel polymerizable ligand 3,5-bis-EDOT-N,N-bis[2-diphenylphosphinoethyl]aniline was achieved. Related molybdenum complexes with ancillary ligands as carbonyls were also synthesized and characterized. Monomer complexes and the free ligand were electropolymerized and studied. Tris(bipyridine)ruthenium(II) chloride and analogous complexes have been studied extensively in the literature due to their luminescent and photochemical properties, and excited state lifetimes. Conducting polymers with similar ruthenium groups have been investigated for various applications. Synthesis of four ruthenium complexes with the polymerizable ligand 2,6-Bis[4-[2-(3,4-diethylenedioxy)thiophene]pyrazol-1-yl]pyridine and four different bidentate ligands were reproduced; electropolymerizations of the complexes were achieved; electrochemical, UV-Vis and luminescence studies were performed and discussed. Various complexes of copper, silver, platinum, and palladium with nitrogen and phosphorus donors have been reported for their luminescence behavior as well as their interesting structures. Model complexes of these metals with N,N-bis[2-(diphenylphosphino)ethyl]phenyl-amine (a PNP ligand) have been synthesized and characterized. Absorption and luminescence behaviors as well as the coordination modes were investigated.
Author: Alaa S. Abd-El-Aziz
Publisher: Wiley-Interscience
ISBN: 0471727644
Category : Technology & Engineering
Languages : en
Pages : 400
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Book Description
This series provides a useful, applications-oriented forum for the next generation of macromolecules and materials. The fifth volume in this series provides useful descriptions of the transition metals and their applications. Transition Metals are covered in 2 volumes, the second part is covered in Volume 6.
Author: Lava R. Kadel
Publisher:
ISBN:
Category : Electronic dissertations
Languages : en
Pages : 443
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Book Description
Polypyrazolylborates, also called scorpionates, have been one of the most popular ligands in inorganic and organometallic chemistry since their discovery. In our research lab, we have been working with a class of polypyrazolylborate ligands that have alkyl or aryl substituents at the 3- and 5-positions and a CN substituent at the 4-position of the pyrazole rings. Reaction of TpPh, 4CN with chloride salts of Co(II), Mn(II) and Ni(II) produced sandwich complexes, TpPh,4CNBpPh,4CNM. The source of Bp ligands in these complexes was the degradation of Tp ligands, which was verified when Ni(HpzPh,4CN)4Cl2 was isolated from the same reaction that produced TpPh,4CNBpPh,4CNNi. These sandwich complexes of Co, Mn and Ni, plus the Fe analog, were again produced rationally when one equivalent each of the Tp ligand, the Bp ligand and the respective metal chlorides were reacted. When Tpt-Bu,4CN was reacted with chloride salts of Co(II) and Ni(II), M(Hpzt-Bu,4CN)4Cl2 complexes were isolated. Isolation of these complexes indicates the degradation of Tp ligands to pyrazoles, which is not an uncommon phenomenon. With the TpPh, 4CN ligand, we were able to isolate the first half-sandwich complex, [Et4N][TpPh,4CNMo(CO)3]. Methodology for the synthesis of HpzPh, 4CN and Hpzt-Bu,4CN was simplified. New methodologies for the syntheses of tri-substituted cyanopyrazoles were developed. With the aid of these new methodologies, several new pyrazoles were synthesized. Reaction of TpPh,4CN with CuNO3 again produced the Cu(I) polymer, [TpPh,4CNCu.3THF]n. Reaction of TpPh,4CN with the perchlorate salt of Co(II), serendipitously produced the Co(II) coordination polymer, [Co(TpPh,4CN)(HpzPh,4CN)(pzPh,4CN)]n. Further studies are underway to optimize the synthesis of this complex as well as synthesize heterometallic coordination polymers
Author: Galia Maayan
Publisher: John Wiley & Sons
ISBN: 1118517431
Category : Science
Languages : en
Pages : 446
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Book Description
Metallofoldamers are oligomers that fold into three-dimensional structures in a controlled manner upon coordination with metal ions. Molecules in this class have shown an impressive ability to form single-handed helical structures and other three-dimensional architectures. Several metallofoldamers have been applied as sensors due to their selective folding when binding to a specific metal ion, while others show promise for applications as responsive materials on the basis of their ability to fold and unfold upon changes in the oxidation state of the coordinated metal ion, and as novel catalysts. Metallofoldamers: From Helicates to Biomimetic Architectures describes the variety of interactions between oligomers and metal species, with a focus on non-natural synthetic molecules. Topics covered include: the major classes of foldamers and their folding driving force metalloproteins and metalloenzymes helicates: self-assembly, structure and applications abiotic metallo-DNA metallo-PNA and iDNA metallopeptides interactions of biomimetic oligomers with metal ions applications of metallofoldamers
Author: Karen Lee Victoria Mann
Publisher:
ISBN:
Category :
Languages : en
Pages :
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