发布求助
文献互助 智能选刊 最新文献

IUCrData最新文献

筛选
英文 中文
2-Amino-5-oxo-4-(thio-phen-2-yl)-5,6,7,8-tetra-hydro-4H-chromene-3-carbo-nitrile.
IUCrData Pub Date : 2024-11-08 eCollection Date: 2024-11-01 DOI: 10.1107/S2414314624010496
Carren Nyapola, Sizwe J Zamisa, Eric M Njogu, Bernard Omondi
{"title":"2-Amino-5-oxo-4-(thio-phen-2-yl)-5,6,7,8-tetra-hydro-4<i>H</i>-chromene-3-carbo-nitrile.","authors":"Carren Nyapola, Sizwe J Zamisa, Eric M Njogu, Bernard Omondi","doi":"10.1107/S2414314624010496","DOIUrl":"10.1107/S2414314624010496","url":null,"abstract":"<p><p>The crystal structure of the title compound, C<sub>14</sub>H<sub>12</sub>N<sub>2</sub>O<sub>2</sub>S, reveals two symmetrically independent mol-ecules within the asymmetric unit. Each mol-ecule contains a chromenone core attached to a 2-thio-phene ring, cyano, and amino groups. The 2-thio-phene ring of one of the two mol-ecules in the asymmetric unit was found to be disordered over two positions, with the major component having a site occupancy factor of 0.837 (2). The 2-thio-phene ring is nearly orthogonal to the fused 4<i>H</i>-pyran ring, with dihedral angles between the two sets of planes being 89.5 (5) and 89.63 (8)°. Inter-molecular hydrogen bonding, involving N-H⋯N and N-H⋯O inter-actions, creates two distinct motifs leading to the formation of a two-dimensional supra-molecular network along the crystallographic <i>ac</i> plane.</p>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 Pt 11","pages":"x241049"},"PeriodicalIF":0.0,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11618874/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142796760","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}
引用次数: 0
Structural insights into 1,4-bis-(neopent-yloxy)pillar[5]arene and the pyridine host-guest system.
IUCrData Pub Date : 2024-11-08 eCollection Date: 2024-11-01 DOI: 10.1107/S2414314624010733
Mickey Vinodh, Fatemeh H Alipour, Talal F Al-Azemi
{"title":"Structural insights into 1,4-bis-(neopent-yloxy)pillar[5]arene and the pyridine host-guest system.","authors":"Mickey Vinodh, Fatemeh H Alipour, Talal F Al-Azemi","doi":"10.1107/S2414314624010733","DOIUrl":"10.1107/S2414314624010733","url":null,"abstract":"<p><p>The crystal structure of 1,4-bis-(neopent-yloxy)pillar[5]arene, C<sub>95</sub>H<sub>140</sub>N<sub>2</sub>O<sub>10</sub> (<b>TbuP)</b>, featuring two encapsulated pyridine mol-ecules, reveals significant host-guest inter-actions. Inter-estingly, the pyridine guests are positioned near the neopent-yloxy substituents instead of the electron-rich aromatic core of the pillar[5]arene. This spatial arrangement suggests a preference for the pyridine mol-ecules to engage with the aliphatic regions of the host. Detailed analysis of the structural characteristics of this host-guest system (<b>TbuP·2Py)</b>, as well as its packing pattern within the crystal network, is presented and discussed.</p>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 Pt 11","pages":"x241073"},"PeriodicalIF":0.0,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11618873/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142796768","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}
引用次数: 0
3aH,4H,5H,8H,9H,9aH-Cyclo-octa-[d][1,3]dioxole-2-thione.
IUCrData Pub Date : 2024-11-08 eCollection Date: 2024-11-01 DOI: 10.1107/S2414314624010198
Dieter Schollmeyer, Claudia Kammler, Heiner Detert
{"title":"3a<i>H</i>,4<i>H</i>,5<i>H</i>,8<i>H</i>,9<i>H</i>,9a<i>H</i>-Cyclo-octa-[<i>d</i>][1,3]dioxole-2-thione.","authors":"Dieter Schollmeyer, Claudia Kammler, Heiner Detert","doi":"10.1107/S2414314624010198","DOIUrl":"10.1107/S2414314624010198","url":null,"abstract":"<p><p>The thio-nocarbonate of <i>trans</i>-cyclo-octenediol, C<sub>9</sub>H<sub>12</sub>O<sub>2</sub>S, crystallizes with a 9/1 disorder in the position of the <i>R,R</i> and <i>S,S</i>-enanti-omers. As a result of <i>trans</i>-annulation, both rings adopt a twist conformation.</p>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 Pt 11","pages":"x241019"},"PeriodicalIF":0.0,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11618877/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142796763","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}
引用次数: 0
Tris(4-chloro-phen-yl) phosphate.
IUCrData Pub Date : 2024-11-08 eCollection Date: 2024-11-01 DOI: 10.1107/S2414314624010617
Joshua Birch, Eric Cyriel Hosten, Richard Betz
{"title":"Tris(4-chloro-phen-yl) phosphate.","authors":"Joshua Birch, Eric Cyriel Hosten, Richard Betz","doi":"10.1107/S2414314624010617","DOIUrl":"10.1107/S2414314624010617","url":null,"abstract":"<p><p>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 <i>para</i>-chloro-phenol and phospho-ric acid. Two of the three aromatic moieties adopt <i>syn</i>-orientation towards the P=O bond while the last chloro-phenol ring is pointing away from this bond. In the extended structure, C-H⋯O bonds connect the individual mol-ecules into sheets lying perpendicular to the crystallographic <i>b</i> axis.</p>","PeriodicalId":94324,"journal":{"name":"IUCrData","volume":"9 Pt 11","pages":"x241061"},"PeriodicalIF":0.0,"publicationDate":"2024-11-08","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}
引用次数: 0
C-type Yb2Te3O9 C 型 Yb2Te3O9。
IUCrData Pub Date : 2024-09-01 DOI: 10.1107/S2414314624008885
Patrick Höss , Sheng-Chun Chou , Philip L. Russ , Ralf J. C. Locke , Thomas Schleid
{"title":"C-type Yb2Te3O9","authors":"Patrick Höss ,&nbsp;Sheng-Chun Chou ,&nbsp;Philip L. Russ ,&nbsp;Ralf J. C. Locke ,&nbsp;Thomas Schleid","doi":"10.1107/S2414314624008885","DOIUrl":"10.1107/S2414314624008885","url":null,"abstract":"<div><div>Yb<sub>2</sub>Te<sub>3</sub>O<sub>9</sub> is isotypic with Tm<sub>2</sub>Te<sub>3</sub>O<sub>9</sub> and Lu<sub>2</sub>Te<sub>3</sub>O<sub>9</sub> and crystallizes in the <em>C</em>-type modification of <em>Ln</em><sub>2</sub>Te<sub>3</sub>O<sub>9</sub> compounds.</div></div><div><div>The title compound, diytterbium enneaoxidotritellurate(IV), was obtained in its <em>C</em>-type crystal structure from the binary oxides at 1073 K using a CsCl flux. It crystallizes isotypically with <em>C</em>-type Tm<sub>2</sub>Te<sub>3</sub>O<sub>9</sub> and Lu<sub>2</sub>Te<sub>3</sub>O<sub>9</sub>, closing this gap of knowledge.<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (180KB)</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 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11451026/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142383071","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}
引用次数: 0
Di-μ-adipato-κ4O1,O1′:O6,O6′-bis­[(2,2′-di­pyridyl­amine-κ2N,N′)zinc(II)] trihydrate 二-μ-己二胺-κ4 O 1,O 1':O 6,O 6'-双-[(2,2'-二-吡啶基-胺-κ2 N,N')锌(II)]三水合物。
IUCrData Pub Date : 2024-09-01 DOI: 10.1107/S2414314624009064
Fatima Setifi , Zouaoui Setifi , Thang Pham Chien , Mohammad Hadi Al-Douh , Abderezak Addala
{"title":"Di-μ-adipato-κ4O1,O1′:O6,O6′-bis­[(2,2′-di­pyridyl­amine-κ2N,N′)zinc(II)] trihydrate","authors":"Fatima Setifi ,&nbsp;Zouaoui Setifi ,&nbsp;Thang Pham Chien ,&nbsp;Mohammad Hadi Al-Douh ,&nbsp;Abderezak Addala","doi":"10.1107/S2414314624009064","DOIUrl":"10.1107/S2414314624009064","url":null,"abstract":"<div><div>The title dinuclear and centrosymmetric complex mol­ecule exhibits a highly distorted octa­hedral O<sub>4</sub>N<sub>2</sub> coordination set about the central zinc(II) atom.</div></div><div><div>The title compound, [Zn<sub>2</sub>(C<sub>6</sub>H<sub>8</sub>O<sub>4</sub>)<sub>2</sub>(C<sub>10</sub>H<sub>9</sub>N<sub>3</sub>)<sub>2</sub>]·3H<sub>2</sub>O or {Zn<sub>2</sub>[(C<sub>5</sub>H<sub>4</sub>N)<sub>2</sub>NH]<sub>2</sub>[μ-(CH<sub>2</sub>)<sub>4</sub>(COO)<sub>2</sub>]<sub>2</sub>}·3H<sub>2</sub>O, was separ­ated from the solvothermal reaction of zinc(II) sulfate hepta­hydrate, 2,2′-di­pyridyl­amine and sodium adipate. The dinuclear metal complex has a centrosymmetric structure, with the Zn<sup>II</sup> atom adopting a highly distorted octa­hedral coordination sphere composed of four oxygen atoms from bridging adipato ligands and two pyridine nitro­gen atoms. In the crystal, the title compound aggregates into a tri-periodic supra­molecular structure through inter­molecular hydrogen-bonding networks of the form O—H⋯O and N—H⋯O.<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (235KB)</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 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11451035/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142383075","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}
引用次数: 0
Redetermined structure of methyl 3-{4,4-di­fluoro-2-[2-(methoxy­car­bon­yl)­ethyl]-1,3,5,7-tetra­methyl-4-bora-3a,4a-di­aza-s-in­da­cen-6-yl}pro­pion­ate Redetermined structure of methyl 3-{4,4-di-fluoro-2-[2-(methoxy-car-bon-yl)-ethyl]-1,3,5,7-tetra-methyl-4-bora-3a,4a-di-aza-s-in-da-cen-6-yl}pro-pion-ate.
IUCrData Pub Date : 2024-09-01 DOI: 10.1107/S2414314624008848
Dieter Schollmeyer , Matthias Jochen , Heiner Detert
{"title":"Redetermined structure of methyl 3-{4,4-di­fluoro-2-[2-(methoxy­car­bon­yl)­ethyl]-1,3,5,7-tetra­methyl-4-bora-3a,4a-di­aza-s-in­da­cen-6-yl}pro­pion­ate","authors":"Dieter Schollmeyer ,&nbsp;Matthias Jochen ,&nbsp;Heiner Detert","doi":"10.1107/S2414314624008848","DOIUrl":"10.1107/S2414314624008848","url":null,"abstract":"<div><div>In the title compound, a highly fluorescent boron–dipyrromethene dye, the methyl­propionate moieties have different conformations. In the crystal, weak C—H⋯F and C—H⋯O inter­actions link the mol­ecules.</div></div><div><div>In the title compound, C<sub>21</sub>H<sub>27</sub>BF<sub>2</sub>N<sub>2</sub>O<sub>4</sub>, a highly fluorescent boron–dipyrromethene dye, the methyl­propionate moieties have different conformations. In the crystal, weak C—H⋯F and C—H⋯O inter­actions link the mol­ecules. Some optical properties are presented.<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (186KB)</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 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11451027/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142383169","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}
引用次数: 0
(E)-1-(3,4-Di­meth­oxy­phen­yl)-3-(1,3-diphenyl-1H-pyrazol-4-yl)prop-2-en-1-one (E)-1-(3,4-Di-meth-oxy-phen-yl)-3-(1,3-diphenyl-1H-pyrazol-4-yl)prop-2-en-1-one.
IUCrData Pub Date : 2024-09-01 DOI: 10.1107/S2414314624008666
Jiha Sung
{"title":"(E)-1-(3,4-Di­meth­oxy­phen­yl)-3-(1,3-diphenyl-1H-pyrazol-4-yl)prop-2-en-1-one","authors":"Jiha Sung","doi":"10.1107/S2414314624008666","DOIUrl":"10.1107/S2414314624008666","url":null,"abstract":"<div><div>The crystal structure of a pyrazole chalcone is reported.</div></div><div><div>In the title compound, C<sub>26</sub>H<sub>22</sub>N<sub>2</sub>O<sub>3</sub>, the dihedral angle between the benzene and pyrazole rings of the chalcone unit is 88.3 (1)°. The pyrazole ring has two attached phenyl rings that form dihedral angles with the pyrazole ring of 22.6 (2) and 40.0 (1)°. In the crystal, pairwise C—H⋯O hydrogen bonds generate <em>R</em><sup>2</sup><sub>2</sub>(20) inversion dimers.<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (250KB)</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 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11451031/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142383349","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}
引用次数: 0
(1R,2S,4aR,6S,8R,8aS)-1-(3-Hy­droxy­propano­yl)-1,3,6,8-tetra­methyl-1,2,4a,5,6,7,8,8a-octa­hydronaphthalene-2-carb­oxy­lic acid (1R,2S,4aR,6S,8R,8aS)-1-(3-Hy-droxy-propano-yl)-1,3,6,8-tetra-methyl-1,2,4a,5,6,7,8,8a-octa-hydronaphthalene-2-carb-oxy-lic acid.
IUCrData Pub Date : 2024-09-01 DOI: 10.1107/S241431462400885X
Christo J. Botha , Gerda Fouche , Frederick P. Malan
{"title":"(1R,2S,4aR,6S,8R,8aS)-1-(3-Hy­droxy­propano­yl)-1,3,6,8-tetra­methyl-1,2,4a,5,6,7,8,8a-octa­hydronaphthalene-2-carb­oxy­lic acid","authors":"Christo J. Botha ,&nbsp;Gerda Fouche ,&nbsp;Frederick P. Malan","doi":"10.1107/S241431462400885X","DOIUrl":"10.1107/S241431462400885X","url":null,"abstract":"<div><div>The single-crystal structure elucidation of diplodiatoxin, a toxic metabolite of <em>Diplodia maydis</em>, is described.</div></div><div><div>The mol­ecular structure of C<sub>18</sub>H<sub>28</sub>O<sub>4</sub>, (+)-diplodiatoxin, is described, whereby the absolute configuration of the structure of diplodiatoxin has been confirmed by single-crystal X-ray diffraction. Diplodiatoxin crystallizes in the chiral <em>P</em>4<sub>3</sub>2<sub>1</sub>2 space group with one mol­ecule in the asymmetric unit.<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (422KB)</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 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11451037/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142383350","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}
引用次数: 0
Ti4Fe2C0.82O0.18 Ti4Fe2C0.8O0.18。
IUCrData Pub Date : 2024-09-01 DOI: 10.1107/S2414314624008903
Huizi Liu , Changzeng Fan , Bin Wen , Lifeng Zhang
{"title":"Ti4Fe2C0.82O0.18","authors":"Huizi Liu ,&nbsp;Changzeng Fan ,&nbsp;Bin Wen ,&nbsp;Lifeng Zhang","doi":"10.1107/S2414314624008903","DOIUrl":"10.1107/S2414314624008903","url":null,"abstract":"<div><div>Ti<sub>4</sub>Fe<sub>2</sub>C<sub>0.82</sub>O<sub>0.18</sub> is the first example where C and O atoms co-occupy the same site in filled Ti<sub>2</sub>Fe structures.</div></div><div><div>The phase with composition Ti<sub>4</sub>Fe<sub>2</sub>C<sub>0.82</sub>O<sub>0.18</sub>, tetra­titanium diiron carbide oxide, was unexpectedly synthesized by high-pressure sinter­ing (HPS) of a stoichiometric mixture with nominal composition Ti<sub>2</sub>Fe. The Ti<sub>4</sub>Fe<sub>2</sub>C<sub>0.82</sub>O<sub>0.18</sub> phase crystallizes in the <em>Fd</em><blockquote><div><figure><img></figure></div></blockquote><em>m</em> space group and can be considered as the Ti<sub>2</sub>Fe structure filled with C and O atoms co-occupying the same octa­hedral void [occupancy ratio 0.82 (7):0.18 (7)]. The Ti<sub>4</sub>Fe<sub>2</sub>C<sub>0.82</sub>O<sub>0.18</sub> phase is isotypic with Ti<sub>4</sub>Ni<sub>2</sub>C and Ti<sub>4</sub>Fe<sub>2</sub>O<sub>0.407</sub>, and is the first example where C and O atoms co-occupy the same site in filled Ti<sub>2</sub>Fe structures.<span><figure><span><img><ol><li><span><span>Download: <span>Download high-res image (272KB)</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 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11451028/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142383170","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}
引用次数: 0
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信