About: Synthesis, crystal structure and properties of CuBr(2,3-dimethylpyrazine) coordination polymers

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About: Synthesis, crystal structure and properties of CuBr(2,3-dimethylpyrazine) coordination polymers Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Reaction of CuBr with an excess of 2,3-dimethylpyrazine in acetonitrile leads to the formation of the literature known ligand-rich 1 : 1 compound poly [mu(2)-bromo-mu(2)-2,3-dimethylpyrazine-N,N'-copper(I)] (1). On heating this compound in a thermobalance a transformation into the new ligand-deficient 2: 1 compound poly [di-mu(3) -bromo-mu(2) -2,3-dimethylpyrazine-N,N'-dicopper(I)] (3) is observed, which later was also prepared in solution. This compound crystallizes in the monoclinic space group P2(1)/n with all atoms in general positions. In the crystal structure the Cu atoms are surrounded by three Br atoms and one 2,3-dimethylpyrazine ligand within a distorted tetrahedron. The tetrahedra are connected via common Br edges into CuBr double chains, which are connected by the ligands into layers located in the ab plane. The formation of compounds 1 and 3 was also investigated in solution. The results have shown that compound 1 can only be prepared if an excess of the ligand is used. Reaction of CuBr with an excess of 2,3-dimethylpyrazine in acetonitrile leads to the formation of the literature known ligand-rich 1 : 1 compound poly [mu(2)-bromo-mu(2)-2,3-dimethylpyrazine-N,N'-copper(I)] (1). On heating this compound in a thermobalance a transformation into the new ligand-deficient 2: 1 compound poly [di-mu(3) -bromo-mu(2) -2,3-dimethylpyrazine-N,N'-dicopper(I)] (3) is observed, which later was also prepared in solution. This compound crystallizes in the monoclinic space group P2(1)/n with all atoms in general positions. In the crystal structure the Cu atoms are surrounded by three Br atoms and one 2,3-dimethylpyrazine ligand within a distorted tetrahedron. The tetrahedra are connected via common Br edges into CuBr double chains, which are connected by the ligands into layers located in the ab plane. The formation of compounds 1 and 3 was also investigated in solution. The results have shown that compound 1 can only be prepared if an excess of the ligand is used. (en)
Title	Synthesis, crystal structure and properties of CuBr(2,3-dimethylpyrazine) coordination polymers Synthesis, crystal structure and properties of CuBr(2,3-dimethylpyrazine) coordination polymers (en)
skos:prefLabel	Synthesis, crystal structure and properties of CuBr(2,3-dimethylpyrazine) coordination polymers Synthesis, crystal structure and properties of CuBr(2,3-dimethylpyrazine) coordination polymers (en)
skos:notation	RIV/00216224:14310/07:00050881!RIV12-MSM-14310___
http://linked.open...avai/riv/aktivita	N
http://linked.open...avai/riv/aktivity	N
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Táborský, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	453909
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/07:00050881
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	coordination polymers; luminescence; copper(I) (en)
http://linked.open.../riv/klicoveSlovo	coordination polymers copper(I) luminescence
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[4B338A55B1DB]
http://linked.open...i/riv/nazevZdroje	Z. Naturforsch.
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	62
http://linked.open...iv/tvurceVysledku	Táborský, Petr Jess, Inke Naether, Christian
issn	0932-0776
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	14310

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