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Synthesis and Structure of Heavy Alkali Metal Pentalenides 重金属五烯酸的合成与结构
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-05-06 DOI: 10.1002/zaac.202400039
Hugh Sanderson, Sumanta Banerjee, Mandeep Kaur, Alan Kennedy, Gabriele Kociok-Köhn, Ulrich Hintermair, Stuart Robertson
{"title":"Synthesis and Structure of Heavy Alkali Metal Pentalenides","authors":"Hugh Sanderson, Sumanta Banerjee, Mandeep Kaur, Alan Kennedy, Gabriele Kociok-Köhn, Ulrich Hintermair, Stuart Robertson","doi":"10.1002/zaac.202400039","DOIUrl":"https://doi.org/10.1002/zaac.202400039","url":null,"abstract":"The solid‐state structures of the first rubidium and caesium pentalenides, [Rb(THF)]2[Ph4Pn] and [Cs(THF)]­­2[Ph4Pn] have been determined by single crystal X‐ray diffraction. Both were found to be polymeric in the solid state through interactions of the cations with the phenyl substituents, in contrast to their lighter group 1 congeners which are monomeric for lithium and sodium and THF‐bridged for potassium. Both [Rb(THF)]2[Ph4Pn] and [Cs(THF)]2[Ph4Pn] displayed increased η8 coordination, demonstrating a shift towards higher hapticities down the group as previously predicted computationally for the parent M2[Pn] complexes (M = group 1 metal). The solid‐state structures of the polydentate donor adducts [M(DME)x]2[Ph4Pn] (M = Li, x = 1; M = Na, x = 2) and [M(Me6TREN)]2[Ph4Pn] (M = K, Rb, Cs) were all monomeric and displayed increased metal‐carbon distances and decreased ring slippage values relative to the THF adducts.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"91 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140884500","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}
引用次数: 0
Fluorinated Azobenzenes in UiO‐66: Unveiling Unprecedented Photoswitching Stability and Efficiency in Azobenzene‐Based Switch@MOF Systems UiO-66 中的氟化偶氮苯：揭示基于偶氮苯的 Switch@MOF 系统中前所未有的光开关稳定性和效率
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-05-06 DOI: 10.1002/zaac.202400018
Heidi Annemarie Schwartz, Markus Rödl, Kira Küssner
{"title":"Fluorinated Azobenzenes in UiO‐66: Unveiling Unprecedented Photoswitching Stability and Efficiency in Azobenzene‐Based Switch@MOF Systems","authors":"Heidi Annemarie Schwartz, Markus Rödl, Kira Küssner","doi":"10.1002/zaac.202400018","DOIUrl":"https://doi.org/10.1002/zaac.202400018","url":null,"abstract":"Understanding the interactions between hosts and guests in two‐component systems remains a formidable challenge due to the diverse array of adjusting factors at play. Particularly intriguing within the realm of two‐component systems are those incorporating a photoswitchable molecule within a porous metal‐organic framework (MOF) host. In such configurations, the non‐covalently attached guest molecule undergoes distinct physicochemical changes influenced by factors like guest structure, guest density, and the shape of the MOF pores. In this study, fluorinated azobenzenes (Fx‐AZB) were introduced into the rigid UiO‐66 host, and the resulting optical properties were examined with a focus on the degree of fluorination. The photoisomers of all examined compounds exhibited remarkable stability under repetitive light exposure, showing no signs of fatigue. Moreover, both photoisomers remained stable at room temperature, defying the typical T‐type photochromism associated with azobenzenes. Most notably, all fluorinated azobenzene derivatives displayed nearly complete photoswitching upon exposure to visible light within the UiO‐66 MOF host. This positions these composite materials as leaders in the realm of azobenzene‐based switch@MOF systems.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"85 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140884502","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}
引用次数: 0
Hydrindacene‐Based Zinc Aryl Thiolate and Aryl Selenolate Zn(EMSFluind)2 (E = S, Se) 肼基茚基硫酸锌和硒酸锌 (EMSFluind)2 (E = S, Se)
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-05-02 DOI: 10.1002/zaac.202400052
Jens Beckmann, Pascal Komorr, Pim Puylaert
{"title":"Hydrindacene‐Based Zinc Aryl Thiolate and Aryl Selenolate Zn(EMSFluind)2 (E = S, Se)","authors":"Jens Beckmann, Pascal Komorr, Pim Puylaert","doi":"10.1002/zaac.202400052","DOIUrl":"https://doi.org/10.1002/zaac.202400052","url":null,"abstract":"The bulky aryl thiol, MSFluindSH (1S), and aryl selenol, MSFluindSeH (1Se), possessing a tetramethyl‐s‐hydrindacen‐4’‐yl‐(Rind)‐based substituent containing two fluorenyl groups in 9 and 9’‐positions, were prepared (MSFluind = dispiro[fluorene‐9,3’‐(1’,1’,7’,7’‐tetramethyl‐s‐hydrindacene‐4’‐yl)‐5’,9’’‐fluorene]). The reaction of 1S and 1Se with Et2Zn provided a monomeric zinc aryl thiolate, Zn(SMSFluind)2 (2S), and zinc aryl selenolate, Zn(SeMSFluind)2 (2Se), with essentially two‐coordinate zinc atoms.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"2012 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140834861","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}
引用次数: 0
Sterically Crowded Gold Germylene Compounds with Methyl and Hydride Substituents 具有甲基和氢化物取代基的立体拥挤金芽烯化合物
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-05-02 DOI: 10.1002/zaac.202400027
Sonia Bajo, Joaquin Lopez-Serrano, Jesus Campos
{"title":"Sterically Crowded Gold Germylene Compounds with Methyl and Hydride Substituents","authors":"Sonia Bajo, Joaquin Lopez-Serrano, Jesus Campos","doi":"10.1002/zaac.202400027","DOIUrl":"https://doi.org/10.1002/zaac.202400027","url":null,"abstract":"This work explores the combination of sterically crowded low‐valent germanium compounds bearing one or two terphenyl (C6H3‐2,6‐Ar2) substituents with gold fragments, the latter stabilized by crowded phosphines also containing a terphenyl moiety. The steric protection of these motifs has allowed to examine a series of unusual gold‐germylene compounds featuring small hydride and methyl substituents at the germanium site. A gold‐germylene dicationic structure is also reported. The bonding in this series in investigated by computational means, providing understanding for the two‐ways transfer of electrons from germanium to gold and vice versa.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"28 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140835001","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}
引用次数: 0
Ferroelectric order in the chiral coordination polymers [Ln2(L*)2(ox)2(H2O)2] with Ln = Gd3+ or Dy3+, L* = ((S, S)‐1,3‐bis(1‐carboxylethyl)imidazolium and ox = oxalate. 手性配位聚合物[Ln2(L*)2(ox)2(H2O)2]中的铁电顺序，其中 Ln = Gd3+ 或 Dy3+，L* = ((S, S)-1,3-双(1-羧基乙基)咪唑鎓，ox = 草酸盐。
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-05-02 DOI: 10.1002/zaac.202400005
Pierre Rabu, Pierre Farger, Cedric Leuvrey, Marc Lenertz, Gregory Taupier, Kokou D Dorkenoo, Dris Ihiawakrim, Salia Cherifi-Hertel, Guillaume Rogez, Emilie Delahaye
{"title":"Ferroelectric order in the chiral coordination polymers [Ln2(L*)2(ox)2(H2O)2] with Ln = Gd3+ or Dy3+, L* = ((S, S)‐1,3‐bis(1‐carboxylethyl)imidazolium and ox = oxalate.","authors":"Pierre Rabu, Pierre Farger, Cedric Leuvrey, Marc Lenertz, Gregory Taupier, Kokou D Dorkenoo, Dris Ihiawakrim, Salia Cherifi-Hertel, Guillaume Rogez, Emilie Delahaye","doi":"10.1002/zaac.202400005","DOIUrl":"https://doi.org/10.1002/zaac.202400005","url":null,"abstract":"We evidence the ferroelectricity of two isostructural magnetic coordination networks obtained from a chiral imidazolium dicarboxylate salt ((S, S)‐1,3‐bis(1‐carboxylethyl)imidazolium or [HL*]) and Gd3+ or Dy3+ ions in presence of oxalic acid (H2ox). The two compounds exhibit a chiral structure P1 and ferroelectric properties. The crystallographic study shows that the Dy based‐compound is isostructural to the Gd analog. The non‐centrosymmetry of the two samples was further checked by means of nonlinear optical spectroscopy. The room temperature ferroelectric character of the compounds has been investigated through by an original method derived, from that used for thin films, made possible by preparing the sample as thin slices of resin containing inclusions of the coordination compounds.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"28 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140835021","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}
引用次数: 0
Metal Ion and Metal‐to‐Ligand Ratio Regulated Construction of Cu(II) and Co(II) Coordination Polymers as Efficient Catalysts for Ring‐Opening Polymerization of L‐Lactide 金属离子和金属配体比调控构建 Cu(II) 和 Co(II) 配位聚合物作为 L-乳内酯开环聚合的高效催化剂
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-04-24 DOI: 10.1002/zaac.202400020
Jin-Xia Tao, Mei-Jun Wei, F. Tian, Zhen-Xiang Xia, Kun-Lin Huang, Jun-Feng Qian, Ming-Yang He, Sheng-Chun Chen, Qun Chen
{"title":"Metal Ion and Metal‐to‐Ligand Ratio Regulated Construction of Cu(II) and Co(II) Coordination Polymers as Efficient Catalysts for Ring‐Opening Polymerization of L‐Lactide","authors":"Jin-Xia Tao, Mei-Jun Wei, F. Tian, Zhen-Xiang Xia, Kun-Lin Huang, Jun-Feng Qian, Ming-Yang He, Sheng-Chun Chen, Qun Chen","doi":"10.1002/zaac.202400020","DOIUrl":"https://doi.org/10.1002/zaac.202400020","url":null,"abstract":"Three new coordination polymers (CPs), {[Cu(NDC)(Fbtx)(H2O)]·1.5H2O}n (1), {[Co(NDC)(Fbtx)(H2O)2]·0.5Fbtx}n (2), and [Co2(NDC)2(Fbtx)]n (3), were synthesized by employing acid‐base mixed ligands of rigid 1,4‐naphthalenedicarboxylic acid (H2NDC) and flexible bis(1,2,4‐triazole‐1‐ylmethyl)‐2,3,5,6‐tetrafluorobenzene (Fbtx) under both hydrothermal and microwave‐assisted reaction conditions. Single‐crystal structure analysis establishted that both compounds 1 and 2 exhibit two‐dimensional (2D) layered structures, while compound 3 features a three‐dimensional (3D) complicated framework. The geometries of metal ions vary from square pyramidal (in 1 and 3) to distorted octahedral (in 2). Topological strudy showed that compounds 1 and 2 have exposed common 4‐connected 44‐sql net, while compound 3 has made a novel 4,5‐connected net with point symbol of (43·62·7)(43·64·72·8). The catalytic performance of the three complexes for the solvent‐free ring‐opening polymerization of L‐lactide has been investigated. The results indicated that compound 3 with coordinatively unsaturated cobalt(II) sites showed very high activity and the molecular weight of the polymer obtained was also high. Moreover, the complex 3 catalyst could be recycled up to five times with the retention of both catalytic activity and crystal structure.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"68 16","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140664095","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}
引用次数: 0
Cation‐Dependent Nuclearity of New HomolepticAzidocuprates(II), From Discrete Ions toAnionic Strands and Sheets 从离散离子到阴离子链和阴离子片，新均质叠氮（II）的阳离子依赖性核性
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-04-23 DOI: 10.1002/zaac.202400025
M. Köckerling, Alexander Hinz
{"title":"Cation‐Dependent Nuclearity of New HomolepticAzidocuprates(II), From Discrete Ions toAnionic Strands and Sheets","authors":"M. Köckerling, Alexander Hinz","doi":"10.1002/zaac.202400025","DOIUrl":"https://doi.org/10.1002/zaac.202400025","url":null,"abstract":"In chemical reactions of copper(II) acetate dihydrate with\u0000imidazolium azide salts in ethanol solution several new homoleptic\u0000azidocuprates(II) were obtained. In dependency of the used counter\u0000cation various different azidocuprate moieties were crystalized. The\u0000doubly charged DMMDIm2+ cation facilitates the formation of\u0000mononuclear [Cu(N3)4]2– complex anions, while the utilisation of the\u0000(PeMIm)+ ion enables the isolation of a di‐nuclear [Cu2(N3)6]2– salt. By\u0000using the unsymmetrical imidazolium ions (BMIm)+ or (EMIm)+ salts\u0000with the tri‐nuclear [Cu3(N3)8]2– complex anion are obtained. With the\u0000(DML)+ cation an azidocuprate(II) crystallizes , which contains both\u0000[Cu(N3)4]2– and the [Cu2(N3)6]2– anion. The anions in the salt with the\u0000(PeMIm)+ cation are interconnected through further Cu−N bonds and\u0000form layers with a 2D‐honecomb structure. The tri‐nuclear units in the\u0000(BMIm)+ and the (EMIm)+salts form coordination strands of different\u0000structures.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"45 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140668108","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}
引用次数: 0
Front Cover: (Z. Anorg. Allg. Chem. 8/2024) 封面：（Z. Anorg. Allg. Chem. 8/2024）
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-04-18 DOI: 10.1002/zaac.202470081
{"title":"Front Cover: (Z. Anorg. Allg. Chem. 8/2024)","authors":"","doi":"10.1002/zaac.202470081","DOIUrl":"https://doi.org/10.1002/zaac.202470081","url":null,"abstract":"","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"77 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140627156","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}
引用次数: 0
Synthesis, structure, and reactivity of a superbulky low‐valentbeta‑diketiminate Ga(I) complex 超强低价β-二偏二亚基镓（I）络合物的合成、结构和反应活性
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-04-17 DOI: 10.1002/zaac.202400044
Tim Richter, Stefan Thum, Oliver Townrow, Michael Wiesinger, Jens Langer, Sjoerd Harder
{"title":"Synthesis, structure, and reactivity of a superbulky low‐valentbeta‑diketiminate Ga(I) complex","authors":"Tim Richter, Stefan Thum, Oliver Townrow, Michael Wiesinger, Jens Langer, Sjoerd Harder","doi":"10.1002/zaac.202400044","DOIUrl":"https://doi.org/10.1002/zaac.202400044","url":null,"abstract":"A low‐valent GaI complex with the superbulky b‐diketiminate ligand DIPePBDI (HC[C(Me)N‐DIPeP]2, DIPeP = 2,6‐C(H)Et2‐phenyl)) was obtained by reduction of (DIPePBDI)GaI2 (1) with KC8 in toluene. Considering that (BDI)GaI and analogue (BDI)AlI complexes are prone to decomposition and can generally only be obtained in low yields (20‐40%), the quantitative formation of (DIPePBDI)GaI (2) is remarkable and no doubt related to its excellent thermal stability even in refluxing toluene. Although the low‐valent metal center in 2 is sterically protected by the superbulky DIPePBDI ligand, it is readily oxidized by N2O to give intermediate (DIPePBDI)Ga=O which readily decomposed by abstracting a proton from the backbone Me‐substituent. Reaction with trimethylsilyl azide gave an intermediate imido complex (DIPePBDI)Ga=N(SiMe3)2 which reacted with a second equivalent of Me3SiN3 to a mixture of an azide/amido complex (DIPePBDI)GaN3[N(SiMe3)2] (4) and a tetrazagallole complex (DIPePBDI)Ga[N4(SiMe3)2] (5) in a 1:2 ratio. Whereas the azide/amido complex 4 could be structurally characterised, the tetraazagallole complex 5 was identified by NMR spectroscopy. DFT calculations on (DIPePBDI)GaI (2) and its reaction products complement this study.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"49 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140616848","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}
引用次数: 0
Polyphosphorus compounds derived from P4 conversion with sterically demanding cobalt complexes 由 P4 与立体要求极高的钴络合物转化而来的多磷化合物
Zeitschrift für anorganische und allgemeine Chemie Pub Date : 2024-04-09 DOI: 10.1002/zaac.202400022
Fabian Dielmann, Mehdi Elsayed-Mousa, Christoph Riesinger, Manfred Scheer
{"title":"Polyphosphorus compounds derived from P4 conversion with sterically demanding cobalt complexes","authors":"Fabian Dielmann, Mehdi Elsayed-Mousa, Christoph Riesinger, Manfred Scheer","doi":"10.1002/zaac.202400022","DOIUrl":"https://doi.org/10.1002/zaac.202400022","url":null,"abstract":"The conversion of P4 with [CpBnCo(CO)2] (CpBn = C5(CH2C6H5)5) under thermal conditions gives almost exclusively the P10 complex [(CpBnCo)4(μ4‐η4:η4:η2:η2:η1:η1‐P10)]. However, its reaction with [CpBnCo]n, under mild conditions afforded a mixture of products including the P8 species [(CpBnCo)3(μ3‐η4:η2:η2:η1:η1‐P8)] and a rare Co3 cluster [(CpBnCo)2Co(μ3‐η5:η2:η1:η1‐C40H33)(μ‐H)(μ3‐H)]. The products were studied in solution by multinuclear NMR spectroscopy and mass spectrometry and, for some compounds in the solid state, by single crystal X‐ray diffraction.","PeriodicalId":23934,"journal":{"name":"Zeitschrift für anorganische und allgemeine Chemie","volume":"48 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140561440","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}
引用次数: 0
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