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author:

Zhang, JJ (Zhang, JJ.) [1] | Hu, SM (Hu, SM.) [2] | Zheng, LM (Zheng, LM.) [3] | Wu, XT (Wu, XT.) [4] | Fu, ZY (Fu, ZY.) [5] | Dai, JC (Dai, JC.) [6] | Du, WX (Du, WX.) [7] | Zhang, HH (Zhang, HH.) [8] | Sun, RQ (Sun, RQ.) [9] (Scholars:孙瑞卿)

Indexed by:

EI Scopus SCIE

Abstract:

Five novel heptanuclear trigonal-prismatic polyhedra, Na-4[PrNi6(Gly)(9)(mu(3)-OH)(3)(H2O)(6)] . (ClO4)(7) (1), Na-2[PrNi6(Gly)(8)(mu(3)-OH)(3)(mu(2)-OH2)-(H2O)(6) . (ClO4)(6) . (H2O)(2) (2), Na[DyNi6(Gly)(7)(mu(3)-OH)(3)(mu(2)-OH2)(2)(H2O)(6)] . (ClO4)(6) . H2O (3), [SmNi6(Gly)(6)(mu(3)-OH)(3)C1(3)(H2O)(6)] . Cl-3 .(H2O)(9) (4), and [ErNi6(Gly)(6)(mu(3)-OH)(3)Cl-3(H2O)(6)] .Cl-3 . (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) Angstrom, and Z = 2). Complex 2 belongs to the triclinic P (1) over bar space group (a = 16.0145(3), b = 20.58650(10), c = 20.8452(3) Angstrom, alpha = 78.0590(10), beta = 67.9200(10), gamma = 68.1540(10)degrees, 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) Angstrom, beta = 116.8970(10)degrees, and Z = 2). Complexes 4 and 5 are isomorphous (4: trigonal, P (3) over bar; a = b = 11.8661(4), c = 18.2034(10) Angstrom, Z = 2; 5 : a = b = 11.9001(5), c = 18.1,229(11) Angstrom, Z = 2). A Ln(3+) 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 [LnNi(6)(Gly)6(mu(3)-OH)3(H2O)6]61 and were obtained through the edge-ligand exchange of the three mu(2)-OH2 ligands of [LnNi(6)(Gly)6(mu(3)-OH)3(H2O)6(mu(2)-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 ] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China
  • [ 2 ] Nanjing Univ, State Key Lab Coordinat Chem, Inst Coordinat Chem, Nanjing 210093, Peoples R China
  • [ 3 ] Fuzhou Univ, Dept Chem, Fuzhou 350002, Fujian, Peoples R China

Reprint 's Address:

  • [Du, WX]Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China

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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

ESI Discipline: CHEMISTRY;

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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