IUCrDataPub Date : 2024-11-01DOI: 10.1107/S2414314624011209
Thankappan Ramalakshmi Anantheeswary , Sundaramoorthy Gomathi , Ramu Shyamaladevi , Samson Jegan Jennifer , Ibrahim Abdul Razak
{"title":"4-Amino-3,5-dichloropyridine","authors":"Thankappan Ramalakshmi Anantheeswary , Sundaramoorthy Gomathi , Ramu Shyamaladevi , Samson Jegan Jennifer , Ibrahim Abdul Razak","doi":"10.1107/S2414314624011209","DOIUrl":"10.1107/S2414314624011209","url":null,"abstract":"<div><div>The crystal structure of 4-amino-3,5-dichloropyridine was determined by single-crystal X-ray diffraction technique and its molecular interactions were investigated.</div></div><div><div>The title compound, C<sub>5</sub>H<sub>4</sub>Cl<sub>2</sub>N<sub>2</sub>, crystallizes with one molecule in the asymmetric unit. In the crystal, the molecular entities are assembled through strong N—H⋯N hydrogen bonding, forming supramolecular chains extending along the <em>b-</em>axis direction. These chains are interconnected by offset π–π stacking interactions and consolidated by halogen–π interactions. The molecular interactions were quantified by Hirshfeld surface analysis, showing the significant contributions of Cl⋯H/H⋯Cl (40.1%), H⋯H (15.7%) and N⋯H / H⋯N (13.1%) interactions. Energy framework analysis using the CE-B3LYP/6–31 G(d,p) basis set revealed that Coulombic interactions make a considerable contribution to the total energy and crystal packing.<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (202KB)</span></span></span></li><li><span><span>Download: <span>Download full-size image</span></span></span></li></ol></span></figure></span></div></div>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11618866/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142796765","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}
IUCrDataPub Date : 2024-11-01DOI: 10.1107/S2414314624010885
Nor Habibah Mohd Rosli , Mohd Fazli Mohammat , Mohd Abdul Fatah Abdul Manan , David B. Cordes , Aidan P. McKay
{"title":"Ethyl (2RS,3SR,4RS)-1-ethyl-2-(furan-2-yl)-4-hydroxy-5-oxopyrrolidine-3-carboxylate","authors":"Nor Habibah Mohd Rosli , Mohd Fazli Mohammat , Mohd Abdul Fatah Abdul Manan , David B. Cordes , Aidan P. McKay","doi":"10.1107/S2414314624010885","DOIUrl":"10.1107/S2414314624010885","url":null,"abstract":"<div><div>The crystal structure of a pyrrolidine analogue obtained from the stereoselective reduction of the enolic form of 4-hydroxy-2-furyl-pyrrolecarboxylate is described.</div></div><div><div>The title racemic oxopyrrolidine compound, C<sub>13</sub>H<sub>17</sub>NO<sub>5</sub>, contains three stereogenic centres and crystallizes with two molecules in the asymmetric unit. The five-membered pyrrolidine rings in both molecules exhibit envelope conformations. The <em>N</em>-ethyl group of one of the molecules is disordered over two sets of sites in a 0.836 (4):0.164 (4) ratio. In the crystal, both molecules form inversion dimers through pairwise O—H⋯O hydrogen bonds, generating <em>R</em><sup>2</sup><sub>2</sub>(10) loops, which are linked into a three-dimensional network by weak C—H⋯O hydrogen bonds.<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (244KB)</span></span></span></li><li><span><span>Download: <span>Download full-size image</span></span></span></li></ol></span></figure></span></div></div>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11618870/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142796767","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}
IUCrDataPub Date : 2024-11-01DOI: 10.1107/S2414314624011210
Lubabalo Ndima , Eric Cyriel Hosten , Richard Betz
{"title":"Triphenylphosphonium trichlorido(triphenylphosphane-κP)cobaltate(II) benzene disolvate","authors":"Lubabalo Ndima , Eric Cyriel Hosten , Richard Betz","doi":"10.1107/S2414314624011210","DOIUrl":"10.1107/S2414314624011210","url":null,"abstract":"<div><div>The central atom of the complex anion is coordinated by one triphenylphosphane and three chlorido ligands. The negative charge is balanced by a triphenylphosphonium cation. Two benzene solvent molecules are also present in the asymmetric unit.</div></div><div><div>The solvated title compound, (C<sub>18</sub>H<sub>16</sub>P)[CoCl<sub>3</sub>(C<sub>18</sub>H<sub>15</sub>P)]·2C<sub>6</sub>H<sub>6</sub>, is the triphenylphosphonium salt of an anionic Co<sup>II</sup> chlorido coordination compound; the asymmetric unit features an ion-pair and two benzene solvent molecules. One of the solvent molecules shows rotational disorder. C—H⋯Cl and P—H⋯Cl contacts connect the individual constituents into infinite chains extending parallel to [010].<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (406KB)</span></span></span></li><li><span><span>Download: <span>Download full-size image</span></span></span></li></ol></span></figure></span></div></div>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11618865/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142796769","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}
IUCrDataPub Date : 2024-11-01DOI: 10.1107/S241431462401126X
Tashonda M. Vaughn , Saneei Soheil , Olalekan M. Ogundele , Frank R. Fronczek , Rao M. Uppu
{"title":"3,5,6-Trichloropyridin-2-ol","authors":"Tashonda M. Vaughn , Saneei Soheil , Olalekan M. Ogundele , Frank R. Fronczek , Rao M. Uppu","doi":"10.1107/S241431462401126X","DOIUrl":"10.1107/S241431462401126X","url":null,"abstract":"<div><div>The title compound is almost planar. In the crystal, the molecules form centrosymmetric hydrogen-bonded dimers through pairwise O—H⋯N interactions to generate <em>R</em><sup>2</sup><sub>2</sub>(8) loops.</div></div><div><div>The title compound, C<sub>5</sub>H<sub>2</sub>Cl<sub>3</sub>NO, is almost planar. In the crystal, the molecules form centrosymmetric hydrogen-bonded dimers through pairwise O—H⋯N interactions to generate <em>R</em><sup>2</sup><sub>2</sub>(8) loops.<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (298KB)</span></span></span></li><li><span><span>Download: <span>Download full-size image</span></span></span></li></ol></span></figure></span></div></div>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11618871/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142796762","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}
IUCrDataPub Date : 2024-11-01DOI: 10.1107/S2414314624010617
Joshua Birch , Eric Cyriel Hosten , Richard Betz
{"title":"Tris(4-chlorophenyl) phosphate","authors":"Joshua Birch , Eric Cyriel Hosten , Richard Betz","doi":"10.1107/S2414314624010617","DOIUrl":"10.1107/S2414314624010617","url":null,"abstract":"<div><div>In the title compound, the symmetric phosphate derived from <em>para</em>-chlorophenol and phosphoric acid, two of the three aromatic moieties adopt <em>syn</em>-orientation towards the P=O bond while the last chlorophenol ring is pointing away from this bond. In the extended structure, C—H⋯O bonds connect the individual molecules into sheets lying perpendicular to the crystallographic <em>b</em> axis.</div></div><div><div>The title compound, C<sub>18</sub>H<sub>12</sub>Cl<sub>3</sub>O<sub>4</sub>P, is the symmetric phosphate derived from <em>para</em>-chlorophenol and phosphoric acid. Two of the three aromatic moieties adopt <em>syn</em>-orientation towards the P=O bond while the last chlorophenol ring is pointing away from this bond. In the extended structure, C—H⋯O bonds connect the individual molecules into sheets lying perpendicular to the crystallographic <em>b</em> axis.<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (197KB)</span></span></span></li><li><span><span>Download: <span>Download full-size image</span></span></span></li></ol></span></figure></span></div></div>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11618868/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142796770","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}
IUCrDataPub Date : 2024-10-01DOI: 10.1107/S2414314624009684
Arindam Saha , Daniel Chartrand , Mihaela Cibian , Thierry Maris , Garry S. Hanan
{"title":"4-Bromo-N,N′-diphenylbenzimidamide N′-oxide","authors":"Arindam Saha , Daniel Chartrand , Mihaela Cibian , Thierry Maris , Garry S. Hanan","doi":"10.1107/S2414314624009684","DOIUrl":"10.1107/S2414314624009684","url":null,"abstract":"<div><div>Bright-yellow single crystals of the title compound were synthesized as part of a project that explores the formation of earth-abundant transition-metal complexes of amidine oxides (AMOXs), to study their photophysical and redox properties. The HNCNO moiety of the compound shows double-bond delocalization over the N—C—N part, evident from the similar C—N bond distances.</div></div><div><div>The title compound, C<sub>19</sub>H<sub>15</sub>BrN<sub>2</sub>O, crystallizes with two similar molecules in the asymmetric unit. The extended structure features dimers linked by pairs of N—H⋯O and C—H⋯O hydrogen bonds. The HNCNO moiety of the title compound shows delocalization over the N—C—N part, as evidenced by the similar C—N bond distances.<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (268KB)</span></span></span></li><li><span><span>Download: <span>Download full-size image</span></span></span></li></ol></span></figure></span></div></div>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11660173/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142879200","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}
IUCrDataPub Date : 2024-10-01DOI: 10.1107/S2414314624009672
Mohd Abdul Fatah Abdul Manan , David B. Cordes , Aidan P. McKay
{"title":"Methyl 2-[(Z)-5-methyl-2-oxoindolin-3-ylidene]hydrazinecarbodithioate","authors":"Mohd Abdul Fatah Abdul Manan , David B. Cordes , Aidan P. McKay","doi":"10.1107/S2414314624009672","DOIUrl":"10.1107/S2414314624009672","url":null,"abstract":"<div><div>The crystal structure of a new <em>S</em>-methyl substituted dithiocarbazate imine containing the 5-methylisatin moiety is described.</div></div><div><div>The title dithiocarbazate imine, C<sub>11</sub>H<sub>11</sub>N<sub>3</sub>OS<sub>2</sub>, was obtained from the condensation reaction of <em>S</em>-methyldithiocarbazate (SMDTC) and 5-methylisatin. It shows a <em>Z</em> configuration about the imine C=N bond, which is associated with an intramolecular N—H⋯O hydrogen bond that closes an <em>S</em>(6) ring. In the crystal, inversion dimers linked by pairwise N—H⋯O hydrogen bonds generate <em>R</em><sup>2</sup><sub>2</sub>(8) loops. The extended structure features C—H⋯S contacts as well as reciprocal carbonyl–carbonyl (C=O⋯C=O) interactions.<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (211KB)</span></span></span></li><li><span><span>Download: <span>Download full-size image</span></span></span></li></ol></span></figure></span></div></div>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11660172/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142879278","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}
IUCrDataPub Date : 2024-10-01DOI: 10.1107/S241431462400988X
David O. Juma , Bernard Omondi , Sizwe J. Zamisa , Wisdom Munzeiwa
{"title":"(Z)-N-(2,6-Diisopropylphenyl)-1-[(2-methoxyphenyl)amino]methanimine oxide","authors":"David O. Juma , Bernard Omondi , Sizwe J. Zamisa , Wisdom Munzeiwa","doi":"10.1107/S241431462400988X","DOIUrl":"10.1107/S241431462400988X","url":null,"abstract":"<div><div>The crystal structure of a zwitterionic, non-symmetric hydroxyformamidine derivative is described.</div></div><div><div>The molecular structure of the title compound, C<sub>20</sub>H<sub>26</sub>N<sub>2</sub>O<sub>2</sub> reveals non-co-planarity between the central formamidine backbone and each of the outer methoxy- and <em>i</em>-propyl- substituted benzene rings with dihedral angles of 7.88 (15) and 81.17 (15)°, respectively, indicating significant twists in the molecule. In the crystal, intermolecular C—H⋯O interactions, forming an <em>R</em><sup>3</sup><sub>4</sub>(30) graph set, occur within a two-dimensional layer that extends along the <em>ac</em> plane.<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (246KB)</span></span></span></li><li><span><span>Download: <span>Download full-size image</span></span></span></li></ol></span></figure></span></div></div>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11660170/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142879236","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}
IUCrDataPub Date : 2024-10-01DOI: 10.1107/S2414314624010393
Petrus Prinsloo , Eric Cyriel Hosten , Richard Betz
{"title":"Benzilic acid: a monoclinic polymorph","authors":"Petrus Prinsloo , Eric Cyriel Hosten , Richard Betz","doi":"10.1107/S2414314624010393","DOIUrl":"10.1107/S2414314624010393","url":null,"abstract":"<div><div>The asymmetric unit contains two complete molecules. Classical hydrogen bonds, as well as C—H⋯O contacts, connect the molecules to infinite chains along the <em>c</em>-axis direction.</div></div><div><div>The title compound, C<sub>14</sub>H<sub>12</sub>O<sub>3</sub>, is an α-hydroxycarboxylic acid whose orthorhombic polymorph has been reported earlier [Qiu <em>et al.</em> (2007<span><span>#</span></span>). <em>Inorg. Chim. Acta</em>, <strong>360</strong>, 1819–1824]. The asymmetric unit contains two complete molecules. Classical hydrogen bonds, as well as C—H⋯O contacts, connect the molecules to infinite chains along the crystallographic <em>c-</em>axis direction.<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (260KB)</span></span></span></li><li><span><span>Download: <span>Download full-size image</span></span></span></li></ol></span></figure></span></div></div>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11660171/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142879271","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}
IUCrDataPub Date : 2024-10-01DOI: 10.1107/S241431462401006X
Themmila Khamrang , A. Kannan , Madhukar Hemamalini , Muhammad Nawaz Tahir , G. Jerald Maria Antony , Dhandayutham Saravanan
{"title":"(1H-Benzodiazol-2-ylmethyl)diethylamine","authors":"Themmila Khamrang , A. Kannan , Madhukar Hemamalini , Muhammad Nawaz Tahir , G. Jerald Maria Antony , Dhandayutham Saravanan","doi":"10.1107/S241431462401006X","DOIUrl":"10.1107/S241431462401006X","url":null,"abstract":"<div><div>In the crystal of the title compound, the molecules are linked by N—H⋯N hydrogen bonds, generating a <em>C</em>(4) chain extending along the <em>c</em>-axis direction.</div></div><div><div>In the crystal of the title compound, C<sub>12</sub>H<sub>17</sub>N<sub>3</sub>, the molecules are linked by N—H⋯N hydrogen bonds, generating a <em>C</em>(4) chain extending along the <em>c</em>-axis direction. One of the ethyl groups is disordered over two sets of sites with a refined occupancy ratio of 0.582 (15):0.418 (15).<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (182KB)</span></span></span></li><li><span><span>Download: <span>Download full-size image</span></span></span></li></ol></span></figure></span></div></div>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11660169/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142879245","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}