Synthesis, crystal structures and magnetic properties of two tetranuclear lanthanide-hydroxo cubane clusters

•Two tetranuclear Er3+ and Yb3+-hydroxo clusters were synthesized.•They consist of a Ln4(μ3-OH)48+ cluster core showing cubane-like geometry.•Their magnetic and optical properties were elucidated. Two tetranuclear Lanthanide-hydroxo cubane clusters of composition [Ln4(μ3-OH)4{(μ-O)-η2-acac}4(η2-acac...

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Veröffentlicht in:Synthetic metals 2015-11, Vol.209, p.220-224
Hauptverfasser: Li, Xi-Li, Li, Feng-Cai, Zhang, Xue-Li, Liu, Ying-Fan, Wang, Ai-Ling, Tian, Jun-Feng, Xiao, Hong-Ping
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container_title Synthetic metals
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creator Li, Xi-Li
Li, Feng-Cai
Zhang, Xue-Li
Liu, Ying-Fan
Wang, Ai-Ling
Tian, Jun-Feng
Xiao, Hong-Ping
description •Two tetranuclear Er3+ and Yb3+-hydroxo clusters were synthesized.•They consist of a Ln4(μ3-OH)48+ cluster core showing cubane-like geometry.•Their magnetic and optical properties were elucidated. Two tetranuclear Lanthanide-hydroxo cubane clusters of composition [Ln4(μ3-OH)4{(μ-O)-η2-acac}4(η2-acac)4]·C7H8 (Ln=Er 1 and Yb 2, acac=acetylacetonate) have been prepared and characterized by elemental analyses, FTIR spectroscopy and X-ray crystallography. Single crystal X-ray analyses of 1 and 2 revealed that they are isostructural with the Ln4(μ3-OH)48+ cluster core showing cubane-like geometry. Each cluster consists of four lanthanide atoms, four μ3-O atoms, and eight acac ligands making up the peripheral part of the cluster. Two types of the coordination modes [η2- and (μ-O)-η2-] of the acac ligands in 1 and 2 are observed. Investigations on the magnetic properties of 1 and 2 indicate that both complexes do not exhibit frequency-dependent in-phase (χ′) and out-of-phase (χ′′) signals in the alternating current (ac) magnetic susceptibilities of 1 and 2. In particular, unlike most documented lanthanide β-diketonate mono- or multinuclear complexes exhibiting near-infrared (NIR) emission property, 1 and 2 do not show any detectable NIR emission at any temperature range and the reason of nonluminescence for 1 and 2 is further elucidated in this work.
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Two tetranuclear Lanthanide-hydroxo cubane clusters of composition [Ln4(μ3-OH)4{(μ-O)-η2-acac}4(η2-acac)4]·C7H8 (Ln=Er 1 and Yb 2, acac=acetylacetonate) have been prepared and characterized by elemental analyses, FTIR spectroscopy and X-ray crystallography. Single crystal X-ray analyses of 1 and 2 revealed that they are isostructural with the Ln4(μ3-OH)48+ cluster core showing cubane-like geometry. Each cluster consists of four lanthanide atoms, four μ3-O atoms, and eight acac ligands making up the peripheral part of the cluster. Two types of the coordination modes [η2- and (μ-O)-η2-] of the acac ligands in 1 and 2 are observed. Investigations on the magnetic properties of 1 and 2 indicate that both complexes do not exhibit frequency-dependent in-phase (χ′) and out-of-phase (χ′′) signals in the alternating current (ac) magnetic susceptibilities of 1 and 2. In particular, unlike most documented lanthanide β-diketonate mono- or multinuclear complexes exhibiting near-infrared (NIR) emission property, 1 and 2 do not show any detectable NIR emission at any temperature range and the reason of nonluminescence for 1 and 2 is further elucidated in this work.</description><identifier>ISSN: 0379-6779</identifier><identifier>EISSN: 1879-3290</identifier><identifier>DOI: 10.1016/j.synthmet.2015.07.035</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Alternating current ; Clusters ; Cubane ; Cubane geometry ; Emission ; Lanthanide complex ; Lanthanide oxo/hydroxo cluster ; Lanthanides ; Ligands ; Magnetic properties ; Magnetic property ; X-rays</subject><ispartof>Synthetic metals, 2015-11, Vol.209, p.220-224</ispartof><rights>2015 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c345t-5bfdcaf947786b1effa449c87a1bfdbdc80077fab8cc562a8c97adc146b43b93</citedby><cites>FETCH-LOGICAL-c345t-5bfdcaf947786b1effa449c87a1bfdbdc80077fab8cc562a8c97adc146b43b93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0379677915300436$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Li, Xi-Li</creatorcontrib><creatorcontrib>Li, Feng-Cai</creatorcontrib><creatorcontrib>Zhang, Xue-Li</creatorcontrib><creatorcontrib>Liu, Ying-Fan</creatorcontrib><creatorcontrib>Wang, Ai-Ling</creatorcontrib><creatorcontrib>Tian, Jun-Feng</creatorcontrib><creatorcontrib>Xiao, Hong-Ping</creatorcontrib><title>Synthesis, crystal structures and magnetic properties of two tetranuclear lanthanide-hydroxo cubane clusters</title><title>Synthetic metals</title><description>•Two tetranuclear Er3+ and Yb3+-hydroxo clusters were synthesized.•They consist of a Ln4(μ3-OH)48+ cluster core showing cubane-like geometry.•Their magnetic and optical properties were elucidated. 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In particular, unlike most documented lanthanide β-diketonate mono- or multinuclear complexes exhibiting near-infrared (NIR) emission property, 1 and 2 do not show any detectable NIR emission at any temperature range and the reason of nonluminescence for 1 and 2 is further elucidated in this work.</description><subject>Alternating current</subject><subject>Clusters</subject><subject>Cubane</subject><subject>Cubane geometry</subject><subject>Emission</subject><subject>Lanthanide complex</subject><subject>Lanthanide oxo/hydroxo cluster</subject><subject>Lanthanides</subject><subject>Ligands</subject><subject>Magnetic properties</subject><subject>Magnetic property</subject><subject>X-rays</subject><issn>0379-6779</issn><issn>1879-3290</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqFkElPxDAMhSMEEsPyF1COHGhJuqW9gUZs0kgcmHuUui6TUZchToH-ezIaOHOyZfs9PX-MXUkRSyGL221M8-A3Pfo4ETKPhYpFmh-xhSxVFaVJJY7ZQqShL5SqTtkZ0VYIIaskX7Duba9FsnTDwc3kTcfJuwn85JC4GRrem_cBvQW-c-MOnbdhPrbcf43co3dmmKBD43hngpMZbIPRZm7c-D1ymGozIIduIo-OLthJazrCy996ztaPD-vlc7R6fXpZ3q8iSLPcR3ndNmDaKlOqLGqJbWuyrIJSGRk2dQOlEEq1pi4B8iIxJVTKNCCzos7SukrP2fXBNgT-mJC87i0BdiEgjhNpqYpEyiRL03BaHE7BjUQOW71ztjdu1lLoPV291X909Z6uFkoHukF4dxBi-OPTotMEFgfAxjoEr5vR_mfxA-ANi_0</recordid><startdate>20151101</startdate><enddate>20151101</enddate><creator>Li, Xi-Li</creator><creator>Li, Feng-Cai</creator><creator>Zhang, Xue-Li</creator><creator>Liu, Ying-Fan</creator><creator>Wang, Ai-Ling</creator><creator>Tian, Jun-Feng</creator><creator>Xiao, Hong-Ping</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20151101</creationdate><title>Synthesis, crystal structures and magnetic properties of two tetranuclear lanthanide-hydroxo cubane clusters</title><author>Li, Xi-Li ; Li, Feng-Cai ; Zhang, Xue-Li ; Liu, Ying-Fan ; Wang, Ai-Ling ; Tian, Jun-Feng ; Xiao, Hong-Ping</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c345t-5bfdcaf947786b1effa449c87a1bfdbdc80077fab8cc562a8c97adc146b43b93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Alternating current</topic><topic>Clusters</topic><topic>Cubane</topic><topic>Cubane geometry</topic><topic>Emission</topic><topic>Lanthanide complex</topic><topic>Lanthanide oxo/hydroxo cluster</topic><topic>Lanthanides</topic><topic>Ligands</topic><topic>Magnetic properties</topic><topic>Magnetic property</topic><topic>X-rays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Xi-Li</creatorcontrib><creatorcontrib>Li, Feng-Cai</creatorcontrib><creatorcontrib>Zhang, Xue-Li</creatorcontrib><creatorcontrib>Liu, Ying-Fan</creatorcontrib><creatorcontrib>Wang, Ai-Ling</creatorcontrib><creatorcontrib>Tian, Jun-Feng</creatorcontrib><creatorcontrib>Xiao, Hong-Ping</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Synthetic metals</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Xi-Li</au><au>Li, Feng-Cai</au><au>Zhang, Xue-Li</au><au>Liu, Ying-Fan</au><au>Wang, Ai-Ling</au><au>Tian, Jun-Feng</au><au>Xiao, Hong-Ping</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis, crystal structures and magnetic properties of two tetranuclear lanthanide-hydroxo cubane clusters</atitle><jtitle>Synthetic metals</jtitle><date>2015-11-01</date><risdate>2015</risdate><volume>209</volume><spage>220</spage><epage>224</epage><pages>220-224</pages><issn>0379-6779</issn><eissn>1879-3290</eissn><abstract>•Two tetranuclear Er3+ and Yb3+-hydroxo clusters were synthesized.•They consist of a Ln4(μ3-OH)48+ cluster core showing cubane-like geometry.•Their magnetic and optical properties were elucidated. Two tetranuclear Lanthanide-hydroxo cubane clusters of composition [Ln4(μ3-OH)4{(μ-O)-η2-acac}4(η2-acac)4]·C7H8 (Ln=Er 1 and Yb 2, acac=acetylacetonate) have been prepared and characterized by elemental analyses, FTIR spectroscopy and X-ray crystallography. Single crystal X-ray analyses of 1 and 2 revealed that they are isostructural with the Ln4(μ3-OH)48+ cluster core showing cubane-like geometry. Each cluster consists of four lanthanide atoms, four μ3-O atoms, and eight acac ligands making up the peripheral part of the cluster. Two types of the coordination modes [η2- and (μ-O)-η2-] of the acac ligands in 1 and 2 are observed. Investigations on the magnetic properties of 1 and 2 indicate that both complexes do not exhibit frequency-dependent in-phase (χ′) and out-of-phase (χ′′) signals in the alternating current (ac) magnetic susceptibilities of 1 and 2. In particular, unlike most documented lanthanide β-diketonate mono- or multinuclear complexes exhibiting near-infrared (NIR) emission property, 1 and 2 do not show any detectable NIR emission at any temperature range and the reason of nonluminescence for 1 and 2 is further elucidated in this work.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.synthmet.2015.07.035</doi><tpages>5</tpages></addata></record>
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subjects Alternating current
Clusters
Cubane
Cubane geometry
Emission
Lanthanide complex
Lanthanide oxo/hydroxo cluster
Lanthanides
Ligands
Magnetic properties
Magnetic property
X-rays
title Synthesis, crystal structures and magnetic properties of two tetranuclear lanthanide-hydroxo cubane clusters
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