An imido ligand significantly enhances the effective energy barrier of dysprosium() single-molecule magnets

We report herein an imido ligand 1,3-bis(2,6-diisopropylphenyl) imidazolin-2-imine (Im Dipp NH) that can form a very short Dy-N bond (2.12 Å) with the dysprosium( iii ) ion, which leads to a much larger effective energy barrier for magnetisation reversal (803 K) compared to the analogous alkoxide li...

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Veröffentlicht in:	Chemical communications (Cambridge, England) England), 2019-08, Vol.55 (63), p.9355-9358
Hauptverfasser:	Liu, Bing-Cheng, Ge, Ning, Zhai, Yuan-Qi, Zhang, Tao, Ding, You-Song, Zheng, Yan-Zhen
Format:	Artikel
Sprache:	eng
Schlagworte:	Crystallography Dysprosium Ligands Magnetization reversal Magnets
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container_title	Chemical communications (Cambridge, England)
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creator	Liu, Bing-Cheng Ge, Ning Zhai, Yuan-Qi Zhang, Tao Ding, You-Song Zheng, Yan-Zhen
description	We report herein an imido ligand 1,3-bis(2,6-diisopropylphenyl) imidazolin-2-imine (Im Dipp NH) that can form a very short Dy-N bond (2.12 Å) with the dysprosium( iii ) ion, which leads to a much larger effective energy barrier for magnetisation reversal (803 K) compared to the analogous alkoxide ligand (53 K). Moreover, we predict that a linear two-coordinate [Dy(Im Dipp N) 2 ] + complex may have an effective energy barrier larger than 4000 K. A very basic imido ligand that can strongly bind to the dysprosium( iii ) ion and significantly enhance the effective energy barrier for magnetisation reversal is reported.
doi_str_mv	10.1039/c9cc04687a
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Moreover, we predict that a linear two-coordinate [Dy(Im Dipp N) 2 ] + complex may have an effective energy barrier larger than 4000 K. 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Moreover, we predict that a linear two-coordinate [Dy(Im Dipp N) 2 ] + complex may have an effective energy barrier larger than 4000 K. A very basic imido ligand that can strongly bind to the dysprosium( iii ) ion and significantly enhance the effective energy barrier for magnetisation reversal is reported.</description><subject>Crystallography</subject><subject>Dysprosium</subject><subject>Ligands</subject><subject>Magnetization reversal</subject><subject>Magnets</subject><issn>1359-7345</issn><issn>1364-548X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNpdkctL7TAQxoNc8b1xrwTu5ihU82yb5aH4AsGNgruSJtMabVNv0l44_73R4wOczQzMj49v5kPokJIzSrg6N8oYIvKy0Btoh_JcZFKUj3_eZ6myggu5jXZjfCapqCy30DannArC2A56WXrsBmdH3LtOe4uj67xrndF-6lcY_JP2BiKengBD24KZ3P80eQjdCjc6BAcBjy22q_gaxujmYXGSNHzXQzaMPZi5BzzozsMU99Fmq_sIB599Dz1cXtxX19nt3dVNtbzNDOfFlOmysFBa3mppcqPAilLKXLGcCapEq6ziRa6l1EoWjdSFbZgl0mpLoaG8ZHwPLda6ydG_GeJUDy4a6HvtYZxjzZhUXOaMkIT-_YU-j3PwyV2i8kIwoqRM1OmaMunEGKCtX4MbdFjVlNTvEdSVqqqPCJYJPv6UnJsB7Df69fMEHK2BEM339idD_gbQnIt6</recordid><startdate>20190814</startdate><enddate>20190814</enddate><creator>Liu, Bing-Cheng</creator><creator>Ge, Ning</creator><creator>Zhai, Yuan-Qi</creator><creator>Zhang, Tao</creator><creator>Ding, You-Song</creator><creator>Zheng, Yan-Zhen</creator><general>Royal Society of Chemistry</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-9886-8411</orcidid><orcidid>https://orcid.org/0000-0003-4056-097X</orcidid></search><sort><creationdate>20190814</creationdate><title>An imido ligand significantly enhances the effective energy barrier of dysprosium() single-molecule magnets</title><author>Liu, Bing-Cheng ; Ge, Ning ; Zhai, Yuan-Qi ; Zhang, Tao ; Ding, You-Song ; Zheng, Yan-Zhen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c337t-a87de8d3fa5c6c9ed4855692624194f9d9376a55a957b5a7db2d05dad1eb13823</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Crystallography</topic><topic>Dysprosium</topic><topic>Ligands</topic><topic>Magnetization reversal</topic><topic>Magnets</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Bing-Cheng</creatorcontrib><creatorcontrib>Ge, Ning</creatorcontrib><creatorcontrib>Zhai, Yuan-Qi</creatorcontrib><creatorcontrib>Zhang, Tao</creatorcontrib><creatorcontrib>Ding, You-Song</creatorcontrib><creatorcontrib>Zheng, Yan-Zhen</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Chemical communications (Cambridge, England)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Bing-Cheng</au><au>Ge, Ning</au><au>Zhai, Yuan-Qi</au><au>Zhang, Tao</au><au>Ding, You-Song</au><au>Zheng, Yan-Zhen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An imido ligand significantly enhances the effective energy barrier of dysprosium() single-molecule magnets</atitle><jtitle>Chemical communications (Cambridge, England)</jtitle><addtitle>Chem Commun (Camb)</addtitle><date>2019-08-14</date><risdate>2019</risdate><volume>55</volume><issue>63</issue><spage>9355</spage><epage>9358</epage><pages>9355-9358</pages><issn>1359-7345</issn><eissn>1364-548X</eissn><abstract>We report herein an imido ligand 1,3-bis(2,6-diisopropylphenyl) imidazolin-2-imine (Im Dipp NH) that can form a very short Dy-N bond (2.12 Å) with the dysprosium( iii ) ion, which leads to a much larger effective energy barrier for magnetisation reversal (803 K) compared to the analogous alkoxide ligand (53 K). 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subjects	Crystallography Dysprosium Ligands Magnetization reversal Magnets
title	An imido ligand significantly enhances the effective energy barrier of dysprosium() single-molecule magnets
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