Lucimara Julio Martins, Deborah de Alencar Simoni, Ricardo Aparicio, Fernando Coelho
{"title":"Crystal structure of methyl 2-(2H-1,3-benzodioxol-5-yl)-7,9-di-bromo-8-oxo-1-oxa-spiro-[4.5]deca-2,6,9-triene-3-car-boxyl-ate.","authors":"Lucimara Julio Martins, Deborah de Alencar Simoni, Ricardo Aparicio, Fernando Coelho","doi":"10.1107/S1600536814024763","DOIUrl":"https://doi.org/10.1107/S1600536814024763","url":null,"abstract":"<p><p>The title compound, C18H12Br2O6, was synthesized from Morita-Baylis-Hillman adducts. It incorporates the bromin-ated spiro-hexa-dienone moiety typically exhibited by compounds of this class that exhibit biological activity. Both the brominated cyclo-hexa-dienone and the central five-membered rings are nearly planar (r.m.s. deviations of 0.044 and 0.016 Å, respectively), being almost perpendicularly oriented [inter-planar angle = 89.47 (5)°]. With respect to the central five-membered ring, the brominated cyclo-hexa-dienone ring, the benzodioxol ring and the carboxyl-ate fragment make C-O-C-C, O-C-C-C and C-C-C-O dihedral angles of -122.11 (8), -27.20 (11) and -8.40 (12)°, respectively. An intra-molecular C-H⋯O hydrogen bond occurs. In the crystal, mol-ecules are linked by non-classical C-H⋯O and C-H⋯Br hydrogen bonds resulting in a molecular packing in which the brominated rings are in a head-to-head orientation, forming well marked planes parallel to the b axis. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814024763","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32945117","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
N Swarna Sowmya, S Sampathkrishnan, S Sudhahar, R Mohan Kumar, G Chakkaravarthi
{"title":"Crystal structure of 2-phenyl-ethyl-amin-ium 4-nitro-phenolate monohydrate.","authors":"N Swarna Sowmya, S Sampathkrishnan, S Sudhahar, R Mohan Kumar, G Chakkaravarthi","doi":"10.1107/S1600536814025318","DOIUrl":"https://doi.org/10.1107/S1600536814025318","url":null,"abstract":"<p><p>In the title hydrated mol-ecular salt, C8H12N(+)·C6H4NO3 (-)·H2O, the conformation of the side chain in the cation is anti [C-C-C-N = 179.62 (12)°] and the dihedral angle between the aromatic ring and the nitro group in the anion is 3.34 (11)°. In the crystal, the components are linked by O-H⋯O and N-H⋯O hydrogen bonds, generating (10-1) sheets, which feature R 4 (4)(21) loops. The sheets inter-act by weak aromatic π-π stacking inter-actions [centroid-centroid distance = 3.896 (3) Å], forming a three-dimensional network. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814025318","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32945120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
G Krishnaswamy, P A Suchetan, S Sreenivasa, S Naveen, N K Lokanath, D B Aruna Kumar
{"title":"Crystal structure of ethyl (6-hy-droxy-1-benzo-furan-3-yl)acetate sesquihydrate.","authors":"G Krishnaswamy, P A Suchetan, S Sreenivasa, S Naveen, N K Lokanath, D B Aruna Kumar","doi":"10.1107/S1600536814024349","DOIUrl":"https://doi.org/10.1107/S1600536814024349","url":null,"abstract":"<p><p>In the title hydrate, C12H12O4·1.5H2O, one of the water mol-ecules in the asymmetric unit is located on a twofold rotation axis. The mol-ecule of the benzo-furan derivative is essentially planar (r.m.s. deviation for the non-H atoms = 0.021 Å), with the ester group adopting a fully extended conformation. In the crystal, O-H⋯O hydrogen bonds between the water mol-ecules and the hy-droxy groups generate a centrosymmetric R 6 (6)(12) ring motif. These R 6 (6)(12) rings are fused, forming a one-dimensional motif extending along the c-axis direction. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814024349","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32943829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
N Swarna Sowmya, S Sampathkrishnan, S Sudhahar, G Chakkaravarthi, R Mohan Kumar
{"title":"Crystal structure of piperidinium 4-nitro-phenolate.","authors":"N Swarna Sowmya, S Sampathkrishnan, S Sudhahar, G Chakkaravarthi, R Mohan Kumar","doi":"10.1107/S1600536814025306","DOIUrl":"https://doi.org/10.1107/S1600536814025306","url":null,"abstract":"<p><p>In the title mol-ecular salt, C5H12N(+)·C6H4NO3 (-), the piperidine ring adopts a chair conformation and the cation is protonated at the N atom. In the anion, the nitro group is twisted at an angle of 10.30 (11)° with respect to the attached benzene ring. In the crystal, N-H⋯O hydrogen bonds link adjacent anions and cations into infinite chains propagating along [100]. The chains are linked by C-H⋯π inter-actions, forming sheets lying parallel to (001). </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814025306","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32946963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Wayland E Noland, Neil J Kroll, Matthew P Huisenga, Ruixian A Yue, Simon B Lang, Nathan D Klein, Kenneth J Tritch
{"title":"Crystal structure of (1S,2R,6R,7R,8S,12S)-4,10,17-triphenyl-15-thia-4,10-diaza-penta-cyclo[5.5.5.0(1,16).0(2,6).0(8,12)]hepta-deca-13,16-diene-3,5,9,11-tetrone p-xylene hemisolvate.","authors":"Wayland E Noland, Neil J Kroll, Matthew P Huisenga, Ruixian A Yue, Simon B Lang, Nathan D Klein, Kenneth J Tritch","doi":"10.1107/S1600536814025094","DOIUrl":"https://doi.org/10.1107/S1600536814025094","url":null,"abstract":"<p><p>The title tetrone compound, C32H22N2O4S· 0.5C8H10, is the major product (50% yield) of an attempted Diels-Alder reaction of 2-(α-styr-yl)thio-phene with N-phenyl-male-imide (2 equivalents) in toluene. Recrystallization of the resulting powder from p-xylene gave the title hemisolvate; the p-xylene mol-ecule is located about an inversion center. In the crystal, the primary tetrone contacts are between a carbonyl O atom and the four flagpole H atoms of the bi-cyclo-[2.2.2]octene core, forming chains along [001]. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814025094","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32944356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mohammed El Fal, Youssef Ramli, El Mokhtar Essassi, Mohamed Saadi, Lahcen El Ammari
{"title":"Crystal structure of 1-methyl-4-methyl-sulfanyl-1H-pyrazolo-[3,4-d]pyrimidine.","authors":"Mohammed El Fal, Youssef Ramli, El Mokhtar Essassi, Mohamed Saadi, Lahcen El Ammari","doi":"10.1107/S1600536814025239","DOIUrl":"https://doi.org/10.1107/S1600536814025239","url":null,"abstract":"<p><p>In the title compound, C7H8N4S, the non-H atoms of the pyrazolo-[3,4-d]pyrimidine ring system and the methyl-sulfanyl group lie on a crystallographic mirror plane. In the crystal, mol-ecules are linked via a number of π-π inter-actions [centroid-centroid distances vary from 3.452 (7) to 3.6062 (8) Å], forming a three-dimensional structure. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814025239","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32945121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yamine Belamri, Fatima Setifi, Bojana M Francuski, Sladjana B Novaković, Setifi Zouaoui
{"title":"Crystal structure of tetra-aqua-(5,5'-dimethyl-2,2'-bipyridyl-κ(2) N,N')iron(II) sulfate.","authors":"Yamine Belamri, Fatima Setifi, Bojana M Francuski, Sladjana B Novaković, Setifi Zouaoui","doi":"10.1107/S1600536814024982","DOIUrl":"https://doi.org/10.1107/S1600536814024982","url":null,"abstract":"<p><p>In the title compound, [Fe(C12H12N2)(H2O)4]SO4, the central Fe(II) ion is coordinated by two N atoms from the 5,5'-dimethyl-2,2'-bi-pyridine ligand and four water O atoms in a distorted octa-hedral geometry. The Fe-O coordination bond lengths vary from 2.080 (3) to 2.110 (3) Å, while the two Fe-N coordination bonds have practically identical lengths [2.175 (3) and 2.177 (3) Å]. The chelating N-Fe-N angle of 75.6 (1)° shows the largest deviation from an ideal octa-hedral geometry; the other coordination angles deviate from ideal values by 0.1 (1) to 9.1 (1)°. O-H⋯O hydrogen bonding between the four aqua ligands of the cationic complex and four O-atom acceptors of the anion leads to the formation of layers parallel to the ab plane. Neighbouring layers further inter-act by means of C-H⋯O and π-π inter-actions involving the laterally positioned bi-pyridine rings. The perpen-dicular distance between π-π inter-acting rings is 3.365 (2) Å, with a centroid-centroid distance of 3.702 (3) Å. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814024982","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32943830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"About the polymorphism of [Li(C4H8O)3]I: crystal structures of trigonal and tetra-gonal polymorphs.","authors":"Stefanie Gärtner, Tobias Gärtner, Ruth-Maria Gschwind, Nikolaus Korber","doi":"10.1107/S160053681402529X","DOIUrl":"https://doi.org/10.1107/S160053681402529X","url":null,"abstract":"<p><p>Two new trigonal and tetra-gonal polymorphs of the title compound, iodido-tris-(tetra-hydro-furan-κO)lithium, are presented, which both include the isolated ion pair Li(THF)3 (+)·I(-). One Li-I ion contact and three tetra-hydro-furan (THF) mol-ecules complete the tetra-hedral coordination of the lithium cation. The three-dimensional arrangement in the two polymorphs differs notably. In the trigonal structure, the ion pair is located on a threefold rotation axis of space group P-3 and only one THF mol-ecule is present in the asymmetric unit. In the crystal, strands of ion pairs parallel to [001] are observed with an eclipsed conformation of the THF mol-ecules relative to the Li⋯I axis of two adjacent ion pairs. In contrast, the tetra-gonal polymorph shows a much larger unit cell in which all atoms are located on general positions of the space group I41 cd. The resulting three-dimensional arrangement shows helical chains of ion pairs parallel to [001]. Apart from van der Waals contacts, no remarkable inter-molecular forces are present between the isolated ion pairs in both structures. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S160053681402529X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32946962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Crystal structure of 3-[({2-[bis-(2-hy-droxy-benz-yl)amino]-eth-yl}(2-hy-droxy-benz-yl)amino)-meth-yl]-2-hydroxy-5-methyl-benzaldehyde.","authors":"Alexandra S Fonseca, Adailton J Bortoluzzi","doi":"10.1107/S1600536814024465","DOIUrl":"10.1107/S1600536814024465","url":null,"abstract":"<p><p>The non-symmetric title mol-ecule, C32H34N2O5, is based on a tetra-substituted ethyl-enedi-amine backbone. The mol-ecular structure consists of three hy-droxy-benzyl groups and one 2-hy-droxy-5-methyl-benzaldehyde group bonded to the N atoms of the di-amine unit. The ethyl-enedi-amine skeleton shows a regular extended conformation, while the spatial orientation of the phenol arms is governed by hydrogen bonds. In the 2-hy-droxy-5-methyl-benzaldehyde group, an intra-molecular S(6) O-H⋯O hydrogen bond is observed between the alcohol and aldehyde functions, and the neighbouring phenol arm participates in an intra-molecular S(6) O-H⋯N hydrogen bond. The third phenol group is involved in a bifurcated intra-molecular hydrogen bond with graph-set notation S(6) for O-H⋯N and O-H⋯O intra-molecular hydrogen bonds between neighbouring amine and phenol arms, respectively. Finally, the fourth phenol group acts as an acceptor in a bifurcated intra-molecular hydrogen bond and also acts as donor in an inter-molecular hydrogen bond, which connects inversion-related mol-ecules into dimers with R 4 (4)(8) ring motifs. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814024465","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32946964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rodolphe Kinghat, Michael Knorr, Yoann Rousselin, Marek M Kubicki
{"title":"Crystal structure of di-μ-iodido-bis-[(dimethyl sulfoxide-κO)(tri-phenyl-phosphane-κP)copper(I)].","authors":"Rodolphe Kinghat, Michael Knorr, Yoann Rousselin, Marek M Kubicki","doi":"10.1107/S1600536814025203","DOIUrl":"https://doi.org/10.1107/S1600536814025203","url":null,"abstract":"<p><p>The centrosymmetric dinuclear title compound, [Cu2I2(C2H6OS)2(C18H15P)2], represents the first example of a CuI complex ligated by an O-bound dimethyl sulfoxide ligand. In the crystal, the two tetrahedrally coordinated Cu(I) atoms are bridged by two μ2-iodido ligands in an almost symmetrical rhomboid geometry. The loose Cu⋯Cu contact of 2.9874 (8) Å is longer than the sum of the van der Waals radii of two Cu atoms (2.8 Å), excluding a significant cupriophilic inter-action in the actual dimer. C-H⋯O and C-H⋯I hydrogen bonding interactions as well as C-H⋯π(aryl) interactions stabilize the three-dimensional supramolecular network. </p>","PeriodicalId":7117,"journal":{"name":"Acta crystallographica. Section E, Structure reports online","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2014-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1107/S1600536814025203","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"32944355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}