{"id":10937,"date":"2022-11-11T02:34:34","date_gmt":"2022-11-10T18:34:34","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=10937"},"modified":"2022-11-11T02:34:34","modified_gmt":"2022-11-10T18:34:34","slug":"aromi-guillems-team-published-research-in-chemistry-a-european-journal-in-2003-07-07-cas-27412-71-1","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=10937","title":{"rendered":"Aromi, Guillem’s team published research in Chemistry – A European Journal in 2003-07-07 | CAS: 27412-71-1"},"content":{"rendered":"

Aromi, Guillem published the artcileA systematic exploration of nickel-pyrazolinato chemistry with alkali metals: New cages from serendipitous assembly<\/i><\/b>, Synthetic Route of 27412-71-1<\/a>, the main research area is crystal structure alkali metal nickel pyrazolinolato pivalato multinuclear cluster; alkali metal nickel pyrazolinolato pivalato multinuclear cluster preparation structure; magnetic property nickel pyrazolinolato pivalato multinuclear cluster.<\/p>\n

The preparation and properties of fourteen novel paramagnetic [NiIIx] aggregates bridged by pivalate, pyrazolinolate and in most cases hydroxide are reported. A rich structural diversity was achieved by changing the nature of the alkali of the base used during the synthesis, leading to the nuclearities [NiII4NaI4] (2, 3, 4), [NiII5NaI4] (5, 6, 7), [NiII5LiI6] (8), [NiII8MI2] [M = K (9, 10), Rb (11, 12), Cs (13, 14)] and [NiII8] (15). All compounds were characterized by single-crystal x-ray diffraction; however, full crystallog. details are given only for the representative mols. [Ni4Na4(fpo)4(piv)8(Hpiv)8] (2), [Ni5Na4(OH)2(mpo)4(piv)8(Hpiv)2(MeCN)2] (5), [Ni5Li6(OH)2(fpo)2(piv)12(Hpiv)4] (8), [Ni8K2(OH)4(ppo)4(piv)10(Hppo)2(Hpiv)2(MeCN)2] (9), [Ni8Rb2(OH)4(ppo)4(piv)10(Hppo)2(Hpiv)2(MeCN)2] (11), [Ni8Cs2(OH)4(ppo)4(piv)10(Hppo)2(Hpiv)2(MeCN)2] (13) and [Ni8(OH)4(mpo)2(PhCH2CO2)10(Hmpo)8] (15), where 5-R-3-pyrazolone [R = Me (Hmpo), Et (Hepo), CF3 (Hfpo), Ph (Hppo)]. Variable-temperature bulk magnetization measurements were performed for each type of complex. The [NiII4NaI4] clusters show intramol. antiferromagnetic coupling and a spin ground state of S = 0. [NiII5NaI4] also display antiferromagnetic superexchange, leading to an S = 1 spin ground state. The mol. with nuclearity [NiII5Li16], in contrast, exhibits ferromagnetic interactions, resulting in the presence of low energy states with high multiplicity, and a spin ground state S > 1. The [NiII8M12] and [NiII8] clusters have the same topol. of spin carriers, which display predominantly antiferromagnetic interactions to yield a diamagnetic ground state. The coupling within these octanuclear NiII clusters is rationalized in terms of the nature of the Ni-O-Ni angles within the core.<\/p>\n

Chemistry – A European Journal published new progress about Antiferromagnetic exchange. 27412-71-1 belongs to class pyrazoles-derivatives, name is 5-Phenyl-1H-pyrazol-3(2H)-one, and the molecular formula is C9H8N2O, Synthetic Route of 27412-71-1<\/a>.<\/p>\n

Referemce:
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Chemistry – A European Journal published new progress about Antiferromagnetic exchange. 27412-71-1 belongs to class pyrazoles-derivatives, name is 5-Phenyl-1H-pyrazol-3(2H)-one, and the molecular formula is C9H8N2O, Synthetic Route of 27412-71-1<\/a>.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[678,131],"tags":[717],"class_list":["post-10937","post","type-post","status-publish","format-standard","hentry","category-27412-71-1","category-pyrazoles-derivatives","tag-m-w150-200"],"yoast_head":"\nAromi, Guillem's team published research in Chemistry - A European Journal in 2003-07-07 | CAS: 27412-71-1 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Aromi, Guillem published the artcileA systematic exploration of nickel-pyrazolinato chemistry with alkali metals: New cages from serendipitous assembly, Synthetic Route of 27412-71-1, the main research area is crystal structure alkali metal nickel pyrazolinolato pivalato multinuclear cluster; alkali metal nickel pyrazolinolato pivalato multinuclear cluster preparation structure; magnetic property nickel pyrazolinolato pivalato multinuclear cluster.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pyrazoles-derivatives.com\/?p=10937\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Aromi, Guillem's team published research in Chemistry - A European Journal in 2003-07-07 | CAS: 27412-71-1 | pyrazoles-derivatives\" \/>\n<meta property=\"og:description\" content=\"Aromi, Guillem published the artcileA systematic exploration of nickel-pyrazolinato chemistry with alkali metals: New cages from serendipitous assembly, Synthetic Route of 27412-71-1, the main research area is crystal structure alkali metal nickel pyrazolinolato pivalato multinuclear cluster; alkali metal nickel pyrazolinolato pivalato multinuclear cluster preparation structure; magnetic property nickel pyrazolinolato pivalato multinuclear cluster.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pyrazoles-derivatives.com\/?p=10937\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-10T18:34:34+00:00\" \/>\n<meta name=\"author\" content=\"Jessica.F\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jessica.F\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=10937\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=10937\",\"name\":\"Aromi, Guillem's team published research in Chemistry - A European Journal in 2003-07-07 | CAS: 27412-71-1 | pyrazoles-derivatives\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2022-11-10T18:34:34+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Aromi, Guillem published the artcileA systematic exploration of nickel-pyrazolinato chemistry with alkali metals: New cages from serendipitous assembly, Synthetic Route of 27412-71-1, the main research area is crystal structure alkali metal nickel pyrazolinolato pivalato multinuclear cluster; alkali metal nickel pyrazolinolato pivalato multinuclear cluster preparation structure; magnetic property nickel pyrazolinolato pivalato multinuclear cluster.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=10937#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=10937\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=10937#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Aromi, Guillem’s team published research in Chemistry – A European Journal in 2003-07-07 | CAS: 27412-71-1\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/\",\"name\":\"pyrazoles-derivatives\",\"description\":\"Several pyrazole derivatives possess important pharmacological activities and they have been proved useful materials in drug research. 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