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Coordination polymer
About: Coordination polymer is a research topic. Over the lifetime, 11988 publications have been published within this topic receiving 212219 citations.
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TL;DR: X-ray analysis shows a covalent 3D network in which the copper(II) centers are bridged by tridentate mu-N3,N7,N9 adeninate ligands.
Abstract: The first 3D coordination polymer containing a nucleobase as a bridging ligand, {[Cu2(μ-ade)4(H2O)2][Cu(ox)(H2O)]2·∼14H2O}n (1), has been synthesized by reaction of adenine (Hade) with a basic solution of K2[Cu(ox)2]·2H2O (ox = oxalato dianion). Compound 1 crystallizes in the trigonal space group R3 with a = b = 31.350(1) A, c = 14.285(1) A, V = 12158.7(10) A3, and Z = 9. X-ray analysis shows a covalent 3D network in which the copper(II) centers are bridged by tridentate μ-N3,N7,N9 adeninate ligands. The compound has relatively large, nanometer-sized tubes associated with the self-assembly process directed solely by metal−ligand interactions. The covalent 3D framework remains intact upon removal of the guest water molecules trapped in the nanotubes. Magnetic measurements indicate an overall antiferromagnetic behavior of the compound.
93 citations
TL;DR: By connecting [LCuTb](3+) nodes with [Fe(CN)₆]³⁻ spacers a 1-D coordination polymer with slow relaxation of magnetization is obtained.
Abstract: By connecting [LCuTb]3+ nodes with [Fe(CN)6]3− spacers a 1-D coordination polymer with slow relaxation of magnetization is obtained (L2− is the N,N′-propylene-bis(3-methoxysalicylideneiminato) anion).
92 citations
TL;DR: Under hydrothermal (solvothermal) reaction conditions chiral compounds 1, 2, and 3 and one acentric compound 4 were obtained by the reaction of Zn (2+) or Cd(2+) with racemic 3-(3-pyridyl)-3-aminopropionic acid (rac-HPAPA).
Abstract: Under hydrothermal (solvothermal) reaction conditions chiral compounds 1, 2, and 3 and one acentric compound 4 were obtained by the reaction of Zn 2 + or Cd 2 + with racemic 3-(3-pyridyl)-3-aminopropionic acid (rac-HPAPA). Compounds 1 and 2 crystallized in chiral space group P2 1 2 1 2 1 . At 105°C, racemic 3-pyridyl-3-aminopropionic acid (rac-HPAPA) reacted with Zn(ClO 4 ) 2 .6H 2 O and dehydrogenated in situ to form the first chiral coordination polymer [Zn{(E)-3-C 5 H 4 N-C(NH 2 )=CH-COO)]ClO 4 (1) with a β-dehydroamino acid. Beyond 120°C, the reaction of rac-HPAPA with Zn(ClO 4 ) 2 .6H 2 O deaminates in situ to form chiral coordination polymer [Zn{(E)-3-C 5 H 4 N-CH=CH-COO}(OH)] (2). At relatively low temperatures (70°C), the solvothermal reaction of Zn(NO 3 ) 2 6H 2 O with rac-HPAPA in methanol does not lead to any change in the ligand and results in the formation of a chiral (P2 1 2 1 2 1 ) coordination polymer [Zn(papa)(NO 3 )] (3). The same reaction of Cd(ClO 4 ) 2 .6H 2 O with HPAPA also does not lead to any change in ligand and results in the formation of noncentric (Cc) coordination polymer [Cd(papa)(Hpapa)]ClO 4 .H 2 O (4). The network topology of both 1 and 3 is 10,3a, while 2 has a diamond-oid-like (KDP-like, KDP=potassium dideuterophosphate) network. Particularly interesting from a topological perspective is that 4 has an unprecedented three-dimensional network. Compounds 1, 2, 3, and 4 are all second harmonic generation (SHG) active with 1 exhibiting the strongest response, while only 4 also displays good ferroelectric properties.
92 citations
TL;DR: In this paper, the preparation and crystal structures of four MnII carboxylate complexes containing 2-pyridinealdoxime, (py)CHNOH, are reported.
92 citations
TL;DR: In this paper, the reaction of Co(NCS)2 with 1-methyl-1′-(4pyridyl)-2-(4-pyrimidyl)ethylene (mppe) in different solvents yields two kinds of novel coordination polymer structures, one of them shows an unprecedented interpenetrating structure with both 2D and 3D topological isomers.
92 citations