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2004•Acta Scientiarum Naturalium Universitatis SunyatseniRequires access

Synthesis and X-ray Crystal Structure of a New Manganese 18-Metallacrown-6

HanDong-dong, ChengGong-zhen, JiZhen-ping, ZhangBing-guang

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Abstract

A new hexanuclear manganese ( Ⅲ ) azametallacrown, [Mn6 (anhz)6 (DMF)2 ( H2O)4]·8DMF was synthesized using trianionic pentadentate ligand, N-acetyl-3-hydroxy- 2-naphthoic acid hydrazide (anhz^3- ), and characterized by X-ray single crystal diffraction. The deprotonated ligand bridges the metal ions using the N--N group of hydrazide to form an 18-membered-ring that has M--N N repeating units and a cavity in the center. The stereochemistry of the compound has an alternating △/Λ propeller configuration.

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What this paper is about

A new hexanuclear manganese ( Ⅲ ) azametallacrown, [Mn6 (anhz)6 (DMF)2 ( H2O)4]·8DMF was synthesized using trianionic pentadentate ligand, N-acetyl-3-hydroxy- 2-naphthoic acid hydrazide (anhz^3- ), and characterized by X-ray single crystal diffraction. The deprotonated ligand bridges the metal ions using the N--N group of hydrazide to form an 18-membered-ring that has M--N N repeating units and a cavity in the center. The stereochemistry of the compound has an alternating △/Λ propeller configuration.

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Available abstract

A new hexanuclear manganese ( Ⅲ ) azametallacrown, [Mn6 (anhz)6 (DMF)2 ( H2O)4]·8DMF was synthesized using trianionic pentadentate ligand, N-acetyl-3-hydroxy- 2-naphthoic acid hydrazide (anhz^3- ), and characterized by X-ray single crystal diffraction. The deprotonated ligand bridges the metal ions using the N--N group of hydrazide to form an 18-membered-ring that has M--N N repeating units and a cavity in the center. The stereochemistry of the compound has an alternating △/Λ propeller configuration.

Key concepts: Deprotonation, Manganese, Hydrazide, Ligand (biochemistry), Crystallography, Chemistry, Crystal structure, Ring (chemistry)

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