Synthesis and characterization of a series of novel heptanuclear trigonal-prismatic polyhedra with different edge-ligands - Details

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Abstract：

Five　novel　heptanuclear　trigonal-prismatic　polyhedra,　Na4[Pr-　Ni6(Gly)9(μ3-OH)3　(H2O)6]　·　(ClO4)7　(1),　Na2[PrNi6(Gly)8(μ3-　OH)3(μ2-OH2)-　(H2O)6　·　(ClO4)6　·　(H2O)2　(2),　Na-　[DyNi6(Gly)7(μ3-OH)3　(μ2-OH2)2(H2O)6]　·　(ClO4)6　·　H2O　(3),　[SmNi6(Gly)6-　(μ3-OH)3Cl3(H2O)6]　·　Cl3　·　(H2O)9　(4),　and　[ErNi6(Gly)6(μ3-　OH)3Cl3(H2O)6]　·　Cl3　·　(H2O)9　(5),　were　synthesized　through　self-assembly　and　characterized　by　X-ray　structure　analysis.　Complex　1　crystallizes　in　the　trigonal　P3　space　group　(a=b=18.1121(2),　c=　11.987(0)　Å,　and　Z=2).　Complex　2　belongs　to　the　triclinic　P1　space　group　(a=16.0145(3),　b=20.58650(10),　c=　20.8452(3)　Å,　α=78.0590(10),　β=　67.9200(10),　γ=68.1540(10)°,　and　Z=　4).　Complex　3　belongs　to　the　monoclinic　P2(1)/m　space　group　(a=14.9863(3),　b=13.533,　c=15.6171(3)　Å,　β=　116.8970(10)°,　and　Z=2).　Complexes　4　and　5　are　isomorphous　(4:　trigonal,　P3;　a=b=11.8661(4),　c　=　18.2034(10)　Å,　Z=2;　5:　a=b=11.9001(5),　c　=　18.1229(11)　Å,　Z=2).　A　Ln3+　ion　is　in　the　center　of　the　prism　formed　by　six　nickel　atoms.　It　coordinates　to　nine　oxygen　atoms.　Its　coordination　polyhedron　may　be　best　described　as　a　tricapped　trigonal　prism.　The　five　complexes　all　have　a　core　of　[LnNi6(Gly)6-　(μ3-OH)3(H2O)6]6+　and　were　obtained　through　the　edge-ligand　exchange　of　the　three　μ2-OH2　ligands　of　[LnNi6(Gly)6-　(μ3-OH)3(H2O)6　(μ2-OH2)3]6+　partly　or　wholly　by　glycine　or　Cl-.　Magnetic　measurements　reveal　that　1　and　4　exhibit　antiferromagnetic　interaction,　while　5　exhibits　a　ferromagnetic　interaction.

Keyword：

Cluster compounds; Lanthanides; Magnetic properties; Nickel

Community：

[ 1 ] [Zhang, J.-J.]State Key Lab. of Struct. Chemistry, Fujian Institute of Research, Matter Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
[ 2 ] [Hu, S.-M.]State Key Lab. of Struct. Chemistry, Fujian Institute of Research, Matter Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
[ 3 ] [Zheng, L.-M.]State Key Lab. of Coord. Chemistry, Coordination Chemistry Institute, Nanjing University, Nanjing 210093, China
[ 4 ] [Wu, X.-T.]State Key Lab. of Struct. Chemistry, Fujian Institute of Research, Matter Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
[ 5 ] [Fu, Z.-Y.]State Key Lab. of Struct. Chemistry, Fujian Institute of Research, Matter Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
[ 6 ] [Dai, J.-C.]State Key Lab. of Struct. Chemistry, Fujian Institute of Research, Matter Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
[ 7 ] [Du, W.-X.]State Key Lab. of Struct. Chemistry, Fujian Institute of Research, Matter Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
[ 8 ] [Zhang, H.-H.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China
[ 9 ] [Sun, R.-Q.]Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350002, China

Reprint 's Address：

[Wu, X.-T.]State Key Lab. of Struct. Chemistry, Fujian Institute of Research, Matter Chinese Academy of Sciences, Fuzhou, Fujian 350002, China

Email：

wxt@ms.fjirsm.ac.cn

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Source ：

Chemistry - A European Journal

ISSN： 0947-6539

Year： 2002

Issue： 24

Volume： 8

Page： 5742-5749

4 . 2 3 8

JCR@2002

3 . 9 0 0

JCR@2023

JCR Journal Grade：1

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