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A new family of magnetic 2D coordination polymers based on [M-V(CN)(8)](3-) (M = Mo, W) and pre-programmed Cu2+ centres
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UNSPECIFIED (2003) A new family of magnetic 2D coordination polymers based on [M-V(CN)(8)](3-) (M = Mo, W) and pre-programmed Cu2+ centres. In: 8th Internatioanal Conference on Molecule-Bases Magnets (ICMM 2002), VALENCIA, SPAIN, OCT 05-10, 2002. Published in: POLYHEDRON, 22 (14-17). pp. 2183-2190. doi:10.1016/S0277-5387(03)00241-9 ISSN 0277-5387.
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Official URL: http://dx.doi.org/10.1016/S0277-5387(03)00241-9
Abstract
The self-assembly of [M(CN)(8)](3-) (M = Mo, W) anion and polyamine complexes of Cu-II[Cu(tetren)](2+) and [Cu(dien)(H2O)(2)](2+) (tetren = tetraethylenepentamine, dien = diethylenetriamine) in acidic aqueous solution gives (tetrenH(5))(0.8){Cu-4(II)[W-V(CN)(8)](4)}. 7.2H(2)O 1, (tetrenH(5))(0.8){Cu-4(II)[Mo-V(CN)(8)](4)}.7.2H(2)O 2, (dienH(3)){Cu-3(II)[W-V(CN8](3)}.4H(2)O 3 and (dienH(3)){Cu-3(II)[Mo-V(CN)(8)](3)}. 4H(2)O 4 2D coordination polymers. All compounds are structure-related: the crystal structures of isomorphous 1-2 and 3-4, respectively, consist of double-layered cyano-bridged {Cu-II[W-V(CN)(8)](-)}(n) square grid backbones and non-coordinated fully protonated polyamine countercations as well as H2O molecules located between the sheets. The magnetic measurements reveal long range ferromagnetic ordering with sharp phase transitions at T-C in range 28-37 K and coercivity in range 30-225 Oe at liquid helium temperature, T = 4.3 K. (C) 2003 Elsevier Science Ltd. All rights reserved.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Journal or Publication Title: | POLYHEDRON | ||||
Publisher: | PERGAMON-ELSEVIER SCIENCE LTD | ||||
ISSN: | 0277-5387 | ||||
Official Date: | 15 July 2003 | ||||
Dates: |
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Volume: | 22 | ||||
Number: | 14-17 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 2183-2190 | ||||
DOI: | 10.1016/S0277-5387(03)00241-9 | ||||
Publication Status: | Published | ||||
Title of Event: | 8th Internatioanal Conference on Molecule-Bases Magnets (ICMM 2002) | ||||
Location of Event: | VALENCIA, SPAIN | ||||
Date(s) of Event: | OCT 05-10, 2002 |
Data sourced from Thomson Reuters' Web of Knowledge
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