{"title":"Hydrogen bonded perrhenate-azoimidazoles","authors":"U.S. Ray , G. Mostafa , T.H. Lu , C. Sinha","doi":"10.1016/S1463-0184(02)00013-8","DOIUrl":"https://doi.org/10.1016/S1463-0184(02)00013-8","url":null,"abstract":"<div><p>Reaction in aqueous medium of KReO<sub>4</sub> in methanolic solution of RaaiCH<sub>2</sub>Ph (1-benzyl-2-(arylazo)imidazole) (<strong>1</strong><span>) in the presence of perchloric acid has isolated brown products of {[1-benzyl-2-(arylazo)imidazolium][ReO</span><sub>4</sub><sup>−</sup>]<img>H<sub>2</sub>O}<em><sub>n</sub></em>, <strong>2</strong>. The structural confirmation has been carried out by the single crystal X-ray diffraction study of {[1-benzyl-2-(phenylazo)imidazolium][ReO<sub>4</sub><sup>−</sup>]<img>H<sub>2</sub>O}, <strong>2a</strong>. The molecules are polymerized via hydrogen bonding and form cross-linked network.</p></div>","PeriodicalId":10766,"journal":{"name":"Crystal Engineering","volume":"5 2","pages":"Pages 95-104"},"PeriodicalIF":0.0,"publicationDate":"2002-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1463-0184(02)00013-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72219435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Crystal engineering using 4,4′-bipyridyl with di- and tricarboxylic acids","authors":"N. Shan, A.D. Bond, W. Jones","doi":"10.1016/S1463-0184(02)00002-3","DOIUrl":"10.1016/S1463-0184(02)00002-3","url":null,"abstract":"<div><p>The X-ray structures of four co-crystals of 4,4′-bipyridyl (Bipy) with two dicarboxylic acids and two tricarboxylic acids are described. A coupling (<strong>I</strong>) involving O–H⋯N and C–H⋯O interactions, previously seen in co-crystals of carboxylic acids with other heterocyclic bases, is again shown to be involved in the formation of supramolecular structures. Bipy with isophthalic acid, 1,4-naphthalenedicarboxylic acid and 1,3,5-cyclohexane-tricarboxylic acid forms 1:1 complexes. Tapes of acid:base components are formed via coupling <strong>I</strong>; these tapes extend to form supramolecular sheets via O–H⋯O and/or C–H⋯O interactions. With tricarballylic acid, a co-crystal with stoichiometry 3:2 (acid:base) is generated, with a four-acid-four-base cyclic motif (involving coupling <strong>I</strong>) as the elementary supramolecular unit. Two previously reported co-crystals of Bipy with trimesic acid and 2,5-di-n-hexylterephthalic acid are also discussed, as well as a CSD search for coupling <strong>I</strong> in mono-and poly-carboxylic acid/Bipy complexes.</p></div>","PeriodicalId":10766,"journal":{"name":"Crystal Engineering","volume":"5 1","pages":"Pages 9-24"},"PeriodicalIF":0.0,"publicationDate":"2002-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1463-0184(02)00002-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79718339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"On the balance of interaction modes in supramolecular complexes of a carboxylic acid host and alcohol guests. X-ray crystal structures of inclusion compounds with MeOH and EtOH","authors":"Ingeborg Csöregh , Edwin Weber , Stefan Finge","doi":"10.1016/S1463-0184(02)00005-9","DOIUrl":"10.1016/S1463-0184(02)00005-9","url":null,"abstract":"<div><p>Remarkable differences have been observed between the host–guest interaction modes in two closely related crystalline inclusion compounds [<strong>1</strong>·MeOH (1:1) and <strong>1</strong>·EtOH(1:1)] of the same carboxylic host (<strong>1</strong>). The minor modification of the guest structure crucially affected the hydrogen bonding recognition pattern between given complementary groups, which demonstrates the sensitive balance of intermolecular interaction modes that must be controlled for successful crystal engineering and design of supramolecular compounds.</p></div>","PeriodicalId":10766,"journal":{"name":"Crystal Engineering","volume":"5 1","pages":"Pages 59-70"},"PeriodicalIF":0.0,"publicationDate":"2002-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1463-0184(02)00005-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74554050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The solid-state packing of sulfur substituted 2-aminopyrimidines and the occurrence of N-H—S hydrogen-bonding associations","authors":"D. Lynch, I. Mcclenaghan, M. Light, S. Coles","doi":"10.1016/S1463-0184(02)00007-2","DOIUrl":"https://doi.org/10.1016/S1463-0184(02)00007-2","url":null,"abstract":"","PeriodicalId":10766,"journal":{"name":"Crystal Engineering","volume":"50 1","pages":"1-14"},"PeriodicalIF":0.0,"publicationDate":"2002-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84803831","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Morphological changes of L-asparagine doped TGS crystal","authors":"S. Kalainathan, M. Margaret, T. Irusan","doi":"10.1016/S1463-0184(02)00006-0","DOIUrl":"https://doi.org/10.1016/S1463-0184(02)00006-0","url":null,"abstract":"","PeriodicalId":10766,"journal":{"name":"Crystal Engineering","volume":"24 1","pages":"71-78"},"PeriodicalIF":0.0,"publicationDate":"2002-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82464589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Daniel E. Lynch , Ian McClenaghan , Mark E. Light , Simon J. Coles
{"title":"The solid-state packing of sulfur substituted 2-aminopyrimidines and the occurrence of N-H—S hydrogen-bonding associations","authors":"Daniel E. Lynch , Ian McClenaghan , Mark E. Light , Simon J. Coles","doi":"10.1016/S1463-0184(02)00007-2","DOIUrl":"https://doi.org/10.1016/S1463-0184(02)00007-2","url":null,"abstract":"<div><p>The solid-state packing arrays of eight 4-sulfur substituted 2-aminopyrimidines have been examined and the occurrence of N–H—S hydrogen-bonding associations in those structures discussed. The eight compounds were 2,5-diamino-4-mercapto-6-methylpyrimidine <strong>1</strong>, 2-amino-4,6-bis(phenylthio)pyrimidine <strong>2</strong>, 2-amino-4,6-bis(4-chlorophenylthio)pyrimidine <strong>3</strong>, 2-amino-4,6-bis(4-methylphenylthio)pyrimidine <strong>4</strong>, <strong>5</strong> (two polymorphs), 2-amino-4-chloro-6-(4-fluorophenylthio)pyrimidine <strong>6</strong>, 2-amino-4-(4-chlorophenylthio)-6-morpholinopyrimidine <strong>7</strong>, 2-amino-4-(4-(2,3-dimethylphenyl)piperizino)-6-phenylthiopyrimidine <strong>8</strong>, and 2-amino-4-(4-(2-ethoxyphenyl)piperizino)-6-(4-chlorophenylthio)pyrimidine <strong>9</strong>. The single-crystal x-ray structures of <strong>1</strong> – <strong>3</strong> have been previously reported while the structures of <strong>4</strong> – <strong>9</strong> are presented in this paper. All packing motifs exhibit characteristic R<sub>2</sub><sup>2</sup>(8) hydrogen-bonded 2-aminopyrimidine dimers, to varying degrees of polymerisation, whereas compounds <strong>1</strong> – <strong>5</strong> and <strong>7</strong> include N–H—S associations, the majority of which are three-center associations with an included N–H—N interaction.</p></div>","PeriodicalId":10766,"journal":{"name":"Crystal Engineering","volume":"5 1","pages":"Pages 79-94"},"PeriodicalIF":0.0,"publicationDate":"2002-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1463-0184(02)00007-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91700588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
P. Shahgaldian , P. Goreloff , R. Lamartine , A.W. Coleman
{"title":"An SPM study of time dependent crystallization processes in iso-propyl-calix-[6]-arene thin films","authors":"P. Shahgaldian , P. Goreloff , R. Lamartine , A.W. Coleman","doi":"10.1016/S1463-0184(02)00004-7","DOIUrl":"10.1016/S1463-0184(02)00004-7","url":null,"abstract":"<div><p>The crystallization process during annealing at 100°C of thin films of <em>iso</em>-propyl-calix-[6]-arene has been studied using topographic and lateral force imaging of contact mode scanning probe microscopy. The crystallization proceeds from sub-micron crystallites with mass migration to form large crystalline wall-like structures several microns in width and over 100 μm in length. During the annealing these wall-like structures compact with a concomitant decrease in width. Lateral force imaging shows the presence of moiré-pattern like zones of high and low friction forces.</p></div>","PeriodicalId":10766,"journal":{"name":"Crystal Engineering","volume":"5 1","pages":"Pages 47-58"},"PeriodicalIF":0.0,"publicationDate":"2002-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1463-0184(02)00004-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82771415","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Influence of dicarboxylic acid structure on tape networks in co-crystals of 2-pyridone","authors":"M.R. Edwards , W. Jones , W.D.S. Motherwell","doi":"10.1016/S1463-0184(02)00008-4","DOIUrl":"10.1016/S1463-0184(02)00008-4","url":null,"abstract":"<div><p><span>We report here on the formation of co-crystals of 2-pyridone and several long chain dicarboxylic acids HO</span><sub>2</sub>C(CH<sub>2</sub>)<em><sub>n</sub></em>CO<sub>2</sub>H with <em>n</em><span><span> an odd number. Supramolecular tapes, illustrating several hydrogen bond motifs, were observed. Co-crystals with </span>malonic acid (</span><em>n</em>=1) crystallise in the space group P2/n, with <em>a</em>=19.213, <em>b</em>=4.031, <em>c</em>=19.508, <em>β</em><span>=114.67°; glutaric acid (</span><em>n</em>=3) in P-1, with <em>a</em>=5.437, <em>b</em>=9.592, <em>c</em>=11.797, <em>α</em>=66.50°, <em>β</em>=81.64°, <em>γ</em><span>=83.00°; pimelic acid (</span><em>n</em>=5) in C2/c, with <em>a</em>=19.828, <em>b</em>=5.135, <em>c</em>=17.401, <em>β</em><span>=102.98°; and azelaic acid (</span><em>n</em>=7) in P2<sub>1</sub>/c, with <em>a</em>=16.644, <em>b</em>=5.036, <em>c</em>=18.213, <em>β</em><span>=103.09°. Tape compositions of both 1:1 acid:base and 1:2 acid:base were obtained suggesting that tape stochiometry is independent of the number of constituent carbon atoms in the acid backbone. The results also suggest that the 2-pyridone dimer may in certain cases act as a supramolecular analogue of phenazine.</span></p></div>","PeriodicalId":10766,"journal":{"name":"Crystal Engineering","volume":"5 1","pages":"Pages 25-36"},"PeriodicalIF":0.0,"publicationDate":"2002-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1463-0184(02)00008-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73357849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Morphological changes of L-asparagine doped TGS crystal","authors":"S. Kalainathan , M.Beatrice Margaret , T. Irusan","doi":"10.1016/S1463-0184(02)00006-0","DOIUrl":"https://doi.org/10.1016/S1463-0184(02)00006-0","url":null,"abstract":"<div><p><span>This paper discusses the growth and properties of Triglycine Sulphate Crystals (TGS) and with L-Asparagine. Doped single crystal<span> was grown by slow-cooling solution growth technique. TGS crystals with 10 wt% of L-Asparagine exhibited prominent morphological changes in the (101) and (001) planes. Lattice parameter values were determined by powder X-ray diffraction analysis. Incorporation of L-Asparagine in TGS crystals has been qualitatively estimated and confirmed by Fourier Transform Infrared (FTIR) spectra. </span></span>Micro hardness studies also performed for the pure and doped crystals. A morphology diagram is given.</p></div>","PeriodicalId":10766,"journal":{"name":"Crystal Engineering","volume":"5 1","pages":"Pages 71-78"},"PeriodicalIF":0.0,"publicationDate":"2002-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1463-0184(02)00006-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91700586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Arene-perfluoroarene interactions in crystal engineering 71: single-crystal structures of 1:1 complexes of octafluoronaphthalene and hexafluorobenzene with acenaphthene","authors":"J.C. Collings, A.S. Batsanov, J.A.K. Howard, T.B. Marder","doi":"10.1016/S1463-0184(02)00003-5","DOIUrl":"10.1016/S1463-0184(02)00003-5","url":null,"abstract":"<div><p>Co-crystals of the 1:1 molecular complexes formed between both octafluoronaphthalene and hexafluorobenzene with acenaphthene have been prepared and analysed by X-ray diffraction, which showed them to be composed of infinite stacks of alternating molecules, as is the case for other arene-perfluoroarene complexes.</p></div>","PeriodicalId":10766,"journal":{"name":"Crystal Engineering","volume":"5 1","pages":"Pages 37-46"},"PeriodicalIF":0.0,"publicationDate":"2002-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1463-0184(02)00003-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74420074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}