Crystal Structure of {1,4-Bis[1-(3,5-dichlorophenolato-2-ylmethyl)-ylpropylamino-κ2N,O]piperazine-κ2N,N'}cobalt(II)

The X-ray crystal structure of the title complex, Co(Cl2bprpi) is described. In this complex the Co(II) center displays a distorted octahedral coordination geometry. The piperazine ring exhibits boat conformation, forming chelate rings and capping the Co atom. The N2-Co1-N3 angle is 69.41(15)°, extr...

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Veröffentlicht in:Analytical Sciences 2003, Vol.19(4), pp.645-646
Hauptverfasser: KUBONO, Koji, HIRAYAMA, Naoki, KOKUSEN, Hisao, YOKOI, Kunihiko
Format: Artikel
Sprache:eng
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Zusammenfassung:The X-ray crystal structure of the title complex, Co(Cl2bprpi) is described. In this complex the Co(II) center displays a distorted octahedral coordination geometry. The piperazine ring exhibits boat conformation, forming chelate rings and capping the Co atom. The N2-Co1-N3 angle is 69.41(15)°, extremely smaller than 90°. Because the small angle causes a large steric hindrance, the piperazine ring can be effective as an ion size-recognition site. The molecular structure is stabilized by intramolecular N-H…O hydrogen bonds and Cl…H contacts.
ISSN:0910-6340
1348-2246
DOI:10.2116/analsci.19.645