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Open AccessArticle

Structure and Magnetic Properties of a 1D Alternating Cu(II) Monomer―Paddlewheel Chain

1
Department of Chemistry and Biochemistry, Wilfrid Laurier University, 75 University Ave. W., Waterloo, ON N2L 3C5, Canada
2
Carlson School of Chemistry and Biochemistry, Clark University, 950 Main St., Worcester, MA 01610, USA
*
Author to whom correspondence should be addressed.
Crystals 2018, 8(3), 114; https://doi.org/10.3390/cryst8030114
Received: 29 January 2018 / Revised: 18 February 2018 / Accepted: 26 February 2018 / Published: 28 February 2018
(This article belongs to the Special Issue Crystal Structure Analysis of Supramolecular and Porous Solids)
One-dimensional metal–organic coordination polymers make up a class of compounds with potential towards the development of practical, new magnetic materials. Herein, a rare example of an ABBABB coupled linear chain comprised of alternating dicopper(II) tetraacetate units bridged to copper(II) acetate monomer units via axial η212 coordinated acetate is reported. Examination of the structure, determined by small molecule X-ray crystallography, shows that each Cu(II) ion is in a dx2–y2 magnetic ground state. Magnetic susceptibility and magnetization data were collected and, consistent with the structural interpretation, demonstrate that the Cu(II) dimer (paddlewheel) exhibits classic antiferromagnetic exchange, while the S = 1/2 Cu(II) monomer is uncompensated in the ground state (low temperature regime.) Data were therefore fitted to a modified Bleaney-Bowers model, and results were consistent with the only other reported chain in this class for which magnetic data are available. View Full-Text
Keywords: copper(II) acetate; 1D-alternating chain; magnetic properties; X-ray structure copper(II) acetate; 1D-alternating chain; magnetic properties; X-ray structure
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MDPI and ACS Style

Machado, V.; Turnbull, M.M.; Dawe, L.N. Structure and Magnetic Properties of a 1D Alternating Cu(II) Monomer―Paddlewheel Chain. Crystals 2018, 8, 114.

AMA Style

Machado V, Turnbull MM, Dawe LN. Structure and Magnetic Properties of a 1D Alternating Cu(II) Monomer―Paddlewheel Chain. Crystals. 2018; 8(3):114.

Chicago/Turabian Style

Machado, Vanessa; Turnbull, Mark M.; Dawe, Louise N. 2018. "Structure and Magnetic Properties of a 1D Alternating Cu(II) Monomer―Paddlewheel Chain" Crystals 8, no. 3: 114.

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