M. John Plater, Mark R. St J. Foreman, Janet M. S. Skakle
{"title":"Synthesis of co-ordination networks from flexible bis-(4-pyridyl) ligands and cadmium salts.","authors":"M. John Plater, Mark R. St J. Foreman, Janet M. S. Skakle","doi":"10.1016/S1463-0184(01)00020-X","DOIUrl":null,"url":null,"abstract":"<div><p>Crystallisation of flexible dipyridyl ligands with Cd(NO<sub>3</sub>)<sub>2</sub>·4H<sub>2</sub>O, Cd(ClO<sub>4</sub>)<sub>2</sub>·xH<sub>2</sub>O or Cd(NO<sub>3</sub>)<sub>2</sub>·4H<sub>2</sub>O and KSCN gives co-ordination networks of composition [Cd(ClO<sub>4</sub>)<sub>2</sub>(Py<sub>2</sub>C<sub>3</sub>H<sub>6</sub>)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>]·Py<sub>2</sub>C<sub>3</sub>H<sub>6</sub> <strong>1</strong> (Py<sub>2</sub>C<sub>3</sub>H<sub>6</sub> =1,3-bis(4-pyridyl)propane); [Cd(ClO<sub>4</sub>)<sub>2</sub>(Py<sub>2</sub>C<sub>2</sub>H<sub>4</sub>)<sub>3</sub>] <strong>2</strong> (Py<sub>2</sub>C<sub>2</sub>H<sub>4</sub> =1,2-bis(4-pyridyl)ethane); [Cd(NCS)<sub>2</sub>(Py<sub>2</sub>C<sub>3</sub>H<sub>6</sub>)] <strong>3</strong>; [Cd<sub>2</sub>(NO<sub>3</sub>)<sub>4</sub>(<em>o</em>-C<sub>6</sub>H<sub>4</sub>(CH<sub>2</sub>CH<sub>2</sub>4-Py)<sub>2</sub>)<sub>4</sub>] <strong>4</strong> (<em>o</em>-C<sub>6</sub>H<sub>4</sub>(CH<sub>2</sub>CH<sub>2</sub>Py)<sub>2</sub> =1,2-bis[2-(4-pyridyl)ethyl] benzene and [Cd(NO<sub>3</sub>)<sub>2</sub>(PyCH<sub>2</sub>CH<sub>2</sub>CH=CHCH<sub>2</sub>CH<sub>2</sub>Py)<sub>3</sub>] <strong>5</strong> (PyCH<sub>2</sub>CH<sub>2</sub>CH=CHCH<sub>2</sub>CH<sub>2</sub>Py =1,6-bis(4-pyridyl)hex-3-ene). The compounds were characterised by X-ray single crystal diffraction studies which revealed the presence of different polymeric motifs. Structures <strong>1</strong> and <strong>5</strong> consist of 1-D polymeric chains, structure <strong>4</strong> consists of a 2-D polymeric network and structure <strong>3</strong> is a 3-D polymeric network. None of these exhibit lattice interpenetration. However structure <strong>2</strong> consists of three identical but independent interpenetrating 3-D lattice networks.</p></div>","PeriodicalId":10766,"journal":{"name":"Crystal Engineering","volume":"4 4","pages":"Pages 293-308"},"PeriodicalIF":0.0000,"publicationDate":"2001-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1463-0184(01)00020-X","citationCount":"36","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Crystal Engineering","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S146301840100020X","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 36
Abstract
Crystallisation of flexible dipyridyl ligands with Cd(NO3)2·4H2O, Cd(ClO4)2·xH2O or Cd(NO3)2·4H2O and KSCN gives co-ordination networks of composition [Cd(ClO4)2(Py2C3H6)2(H2O)2]·Py2C3H61 (Py2C3H6 =1,3-bis(4-pyridyl)propane); [Cd(ClO4)2(Py2C2H4)3] 2 (Py2C2H4 =1,2-bis(4-pyridyl)ethane); [Cd(NCS)2(Py2C3H6)] 3; [Cd2(NO3)4(o-C6H4(CH2CH24-Py)2)4] 4 (o-C6H4(CH2CH2Py)2 =1,2-bis[2-(4-pyridyl)ethyl] benzene and [Cd(NO3)2(PyCH2CH2CH=CHCH2CH2Py)3] 5 (PyCH2CH2CH=CHCH2CH2Py =1,6-bis(4-pyridyl)hex-3-ene). The compounds were characterised by X-ray single crystal diffraction studies which revealed the presence of different polymeric motifs. Structures 1 and 5 consist of 1-D polymeric chains, structure 4 consists of a 2-D polymeric network and structure 3 is a 3-D polymeric network. None of these exhibit lattice interpenetration. However structure 2 consists of three identical but independent interpenetrating 3-D lattice networks.
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