2024-03-29T08:41:21Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/522602016-02-17T08:48:32Zcom_10261_31com_10261_3col_10261_284
DIGITAL.CSIC
author
Viciano-Chumillas, M.
author
Roubeau, Olivier
author
Jongh, L. J. de
author
Reedijk, Jan
2012-06-26T11:58:51Z
2012-06-26T11:58:51Z
2010
European Journal of Inorganic Chemistry 6: 947-951 (2010)
http://hdl.handle.net/10261/52260
10.1002/ejic.200901007
A new oxide-centered trinuclear manganese(III) compound with the formula [Mn3(μ3-O)(naphpz)3(O2CMe)(MeOH)2]n (1) {H2naphpz = 2-[1H-pyrazol-5(3)-yl]naphthalen-1-ol} has been synthesized and characterized. Three bulky doubly deprotonated phenol-pyrazole ligands are coordinated to the three manganese(III) ions with a μ3-oxide bridge in the same plane. Methanol and acetate ligands are at the apical positions of the manganese(III) ions. The trinuclear units are bridged by acetate ligands in the anti-anti mode, leading to the formation of 1-D chains. Temperature-dependent magnetic susceptibility studies indicate the presence of overall antiferromagnetic interactions with magnetic exchange constants of J1 ≈ –1.9 and J2 ≈ –5.5 cm–1 and g = 1.91. Weak antiferromagnetic interactions (zJ′ = –0.37 cm–1) between the trinuclear units in the 1-D chain (and between the chains) in compound 1 are present.
eng
closedAccess
An Oxide-Centered Trinuclear Manganese(III) Compound with a Bulky Phenol-Pyrazolate Ligand
artículo
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URL
https://digital.csic.es/bitstream/10261/52260/1/accesoRestringido.pdf
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accesoRestringido.pdf
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https://digital.csic.es/bitstream/10261/52260/5/accesoRestringido.pdf.txt
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accesoRestringido.pdf.txt