| Synthesis, Characterization and Crystal Structure of the First Tri-nuclear MFe2（M = Cu and Ni） Complexes Based on Nitroprusside |
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| 引用本文： | 周北川,寇会忠,李勇,熊明,王如骥.Synthesis, Characterization and Crystal Structure of the First Tri-nuclear MFe2（M = Cu and Ni） Complexes Based on Nitroprusside[J].中国化学,2003,21(9):1159-1164. |
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| 作者姓名： | 周北川 寇会忠 李勇 熊明 王如骥 |
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| 作者单位： | Department of Chemistry，Tsinghua University，Beijing 100084，China，Department of Chemistry，Tsinghua University，Beijing 100084，China，Department of Chemistry，Tsinghua University，Beijing 100084，China，Department of Chemistry，Nankai University，Tianjin 300071，China，Department of Chemistry，Tsinghua University，Beijing 100084，China |
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| 基金项目： | theNationalNaturalScienceFoundationofChina (Nos .2 0 2 0 10 0 8and 5 0 2 72 0 34) |
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| 摘 要： | IntroductionSince 184 8,whenPlayfairpublishedthefirstpaperrelatedtonitroprussides ,1thetransitionmetalpenta cyanonitrosylmetallatehydrateshavebeenwidelystudiedbecauseoftheirimportantrolesinmolecularsieves ,cationexchangers,electronscavengersandradionuclidesor bents .2 4 Thenitroprussides ,regardlessofthecationicmetal,arecurrentlyemployedasreversibleinhibitorsofagroupofenzymesknownassuperoxidedismutases .5Recently ,using Fe(CN ) 5(NO) ]2 - asabuildingblock ,somenitroprusside bridgedpolymeri…
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| 关 键 词： | 合成 表征 晶体结构 三核配合物 MFe2 Cu Ni 硝普盐 铜配合物 镍配合物 分子筛 |
Synthesis, Characterization and Crystal Structure of the First Tri-nuclear MFe_2 (M=Cu and Ni) Complexes Based on Nitroprusside |
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| ZHOU,Bei-Chuan a KOU,Hui-Zhong,a LI,Yong a XIONG,Ming b WANG,Ru-Ji a a.Synthesis, Characterization and Crystal Structure of the First Tri-nuclear MFe_2 (M=Cu and Ni) Complexes Based on Nitroprusside[J].Chinese Journal of Chemistry,2003,21(9):1159-1164. |
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| Authors: | ZHOU Bei-Chuan a KOU Hui-Zhong a LI Yong a XIONG Ming b WANG Ru-Ji a a |
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| Institution: | ZHOU,Bei-Chuan a KOU,Hui-Zhong,a LI,Yong a XIONG,Ming b WANG,Ru-Ji a a Department of Chemistry,Tsinghua University,Beijing 100084,China b Department of Chemistry,Nankai University,Tianjin 300071,China |
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| Abstract: | Three new complexes Ni(H2L)]Fe(CN)5(NO)]2 ± 6H2O (1), Ni(H2L)]Fe(CN)5(NO)]2 ± 4H2O (2) and Cu(H2L)]Fe‐(CN)5(NO)]2 ± 4H2O (3) (L = 3,10‐bis(2‐aminoethyl)‐1,3,5, 8,10,12‐hexaazacyclotetradecane) are prepared and characterized by IR, elemental analyses and single‐crystal X‐ray analyses, indicating that they are the first examples of trinuclear nitroprusside‐bridged MFe2 (M = Cu and Ni) complexes. In the three complexes, the central metal atoms (M) are all six‐coordinated by the nitrogen atoms from the macrocyclic ligand and two cyano‐bridges at the trans‐positions to form distorted octahedral configurations. The axial N‐M‐N linkage is nearly vertical to the equatorial plane defined by four coordinating N atoms of macrocyclic ligand. The C ± N‐Ni bond angle of 172.6° in complex 1 is apparently larger than those in complexes 2 and 3 (152.57° and 136.37°, respectively). The three complexes are all connected by hydrogen bonds into 3D networks. This study shows that the cyano‐bridged trinuclear species could be generated via the control of the charge of the building blocks. |
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| Keywords: | copper complex nickel complex nitroprusside cyano bridge crystal structure |
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