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- W1993352217 abstract "Reaction of Cu(ClO4)2 · 6H2O with pyrazine (pz) and 2,3-dihydroxy pyridine in aqueous solution generates bis(aqua(3-oxy-2-pyridono)copper(II))μ-pyrazine diperchlorate. The compound crystallizes in the triclinic space group P 1. The aqua(3-oxy-2-pyridono)copper(II) units are bridged by pyrazine to form a dimer. These dimers are further bridged by perchlorate to form a structural ladder parallel to the b-axis. Hydrogen bonding interactions and π-stacking of the pyridone rings also provide structural stability to the lattice and provide potential magnetic superexchange pathways. Temperature-dependent magnetic susceptibility data reveal a maximum in χ near 6 K and exhibit a rapid drop in χ at lower temperatures, in agreement with a singlet ground state. The use of several models for fitting the magnetic data gave values of approximately −10 K for the dimer interaction and approximately +1.5 K for the interdimer interaction." @default.
- W1993352217 created "2016-06-24" @default.
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- W1993352217 date "2012-07-20" @default.
- W1993352217 modified "2023-09-25" @default.
- W1993352217 title "Catena-bis(aqua(3-oxy-2-pyridono)copper(II))μ-pyrazine diperchlorate: a perchlorate-bridged magnetic ladder" @default.
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- W1993352217 doi "https://doi.org/10.1080/00958972.2012.710844" @default.
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