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Analytical Sciences
Vol. 19 (2003) No. 4 P 645-646

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http://doi.org/10.2116/analsci.19.645

Instrumental Achievements

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.

Copyright © 2003 by The Japan Society for Analytical Chemistry

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