One-dimensional spin chains from Cu-II ions and 
2,5-bis(pyrazol-1-yl)-1,4-dihydroxybenzene

Dinnebier, R. E.; Lerner, H. W.; Ding, L.; Shankland, K.; David, W. I. F.; Stephens, P. W.; Wagner, M.

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One-dimensional spin chains from Cu-II ions and 2,5-bis(pyrazol-1-yl)-1,4-dihydroxybenzene

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Dinnebier, R. E.
Scientific Facility X-Ray Diffraction (Robert E. Dinnebier), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Dinnebier, R. E., Lerner, H. W., Ding, L., Shankland, K., David, W. I. F., Stephens, P. W., et al. (2002). One-dimensional spin chains from Cu-II ions and 2,5-bis(pyrazol-1-yl)-1,4-dihydroxybenzene. Zeitschrift für anorganische und allgemeine Chemie, 628(1), 310-314.

Cite as: https://hdl.handle.net/21.11116/0000-000E-F442-4

Abstract

The purple colored coordination polymer [1 Cu](n) was obtained
from 2,5-bis(pyrazol-1-yl)-1,4-dihydroxybenzene and CuBr2 in
aqueous ammonia. The crystal structure of [1 Cu](n) was
determined from high resolution X-ray powder diffraction data
using the method of simulated annealing. In the solid state, [1
Cu](n) features largely independent linear chains, all of them
being oriented parallel to the c-axis of the crystal. The Cu
ions are coordinated in a square-planar fashion by two nitrogen
atoms and two anionic oxygen donors. Magnetic susceptibility
and magnetization measurements indicate the Cu ions in [1
Cu](n) to be antiferromagnetically coupled with a coupling
constant of about 20 K.