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同质异晶[Ni(dmit)_2]^-基配合物的合成与表征

Synthesis and Characterization of[Ni(dmit)_2]^-Polymorphs
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摘要 分别以丙酮和乙腈为溶剂重结晶得到了结构不同的两种(Bu4N)[Ni(dmit)2]化合物,使用红外光谱、单晶X-射线衍射手段对所得到的化合物进行了结构表征.结果表明化合物1属于单斜晶系,空间群为P21/c,a=20.159(4),b=13.394(3),c=12.169(3),相邻的[Ni(dmit)2]-阴离子通过侧边较弱的S…S相互作用堆积成独立的柱状结构,阴离子柱平行排列形成阴离子层,四丁基铵阳离子填充在阴离子层之间.化合物2属于三斜晶系,空间群为P-1,a=11.7076(9),b=12.1072(9),c=12.3673(10),与化合物1不同的是,在化合物2的堆积结构中,相邻的[Ni(dmit)2]-阴离子沿着分子短轴方向有了一定的旋转. Two [ Ni (dmit)2 ]^ -polymorphs with different crystal structures are obtained by synthesis in different solvents. The results show that Crystal 1 is crystallized in the monoclinic space group P21/c, a = 20. 159 (4)A, b =13. 394 ( 3 ) A, c = 12. 169 ( 3 ) 4. In the structure of crystal 1, the [ Ni (dmit) 2 ] ^- anions form a column via intermolecular S…S contacts, and the inter-anionic layers are filled with cationic. Crystal 2 belongs to triclinic space group P-1, a = 11. 7076 (9) 4, b = 12. 1072 (9) A, c = 12. 3673 ( 10 ) 4. Different from 1, for 2, the [ Ni (dmit) 2 ] ^- anions are arranged with a rotation manner along the short molecular axis.
作者 鲜华 段海宝
出处 《南京晓庄学院学报》 2010年第6期62-65,共4页 Journal of Nanjing Xiaozhuang University
关键词 DMIT 分子导体 晶体结构 红外光谱 Dmit molecular conductivity erystal structure infrared spectra
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参考文献16

  • 1F.Bigoli,P.Deplano,F.A.Devillanova,et al.New neutral nickel dithiolene complexes derived from 1.3-dialkylimidazolidine2,4,5-trithione,showing remarkable near-IR absorption[J].J.Chem.Soc.,Chem.Commun.,1995,371-372.
  • 2U.T.Mueller-Westerhoff,B.Vance,D.I.Yoon.The synthesis of dithiolene dyes with strong near-IR absorption[J].Tetrahedron,1991,47:909-932.
  • 3H.Tanaka,H.Kobayashi,A.Kobayashi.A conducting crystal based on a single-component paramagnetic molecule,[Cu(dmdt) 2](dmdt = dimethyltetrathiafulvalenedithiolate)[J].J.Am.Chem.Soc.,2002,124:10002-10003.
  • 4P.Cassoux,L.Valade,H.Kobayashi,et al.Molecular metals and superconductors derived from metal complexes of 1,3-dithiol 2-thione-4,5-dithiolate (dmit)[J].Coord.Chem.Rev.,1991,110:115-160.
  • 5A.Kobayashi,E.Fujiwara,H.Kobayashi.Single-Component molecular metals with extended-TTF dithiolate ligands[J].Chem.Rev.,2004,104:5243-5264.
  • 6A.T.Coomber,D.Beljonne,R.H.Friend,et al.Intermolecular interactions in the molecular ferromagnetic NH4Ni(mnt)2H2O[J].Nature,1996,380:144-146.
  • 7H.B.Ouan,X.M.Ren,Q.J.Meng.One-dimensional (lD)[Ni (mnt)2]-based spin-Peierls-like complexes:structural,magnetic and transition properties[J].Coord.Chem.Rev.2010,254:1509-1522.
  • 8T.Akutagawa,T.Nakamura.[Ni(dmit)2]salts with supramolecular cation structure[J].Coord.Chem.Rev.,2000,198:297-311.
  • 9T.Akutagawa,T.Nakamura.Control of assembly and magnetism of metal-dmit complexes by supramolecular cations[J].Coord.Chem.Rev.,2002,226:3-9.
  • 10T.Akutagawa,K.Shitagami,S.Nishihara,et al.Molecular rotor of Cs2([18]crown-6)3 in the solid state coupled with the Magnetism of[Ni(dmit)2][J].J.Am.Chem.Soc.,2005,127:4397-4402.

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