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

Koji Kubono | Zendy; Naoki Hirayama | Zendy; Hisao Kokusen | Zendy; Kunihiko Yokoi | Zendy

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

Author(s) -

Koji Kubono,

Naoki Hirayama,

Hisao Kokusen,

Kunihiko Yokoi

Publication year - 2003

Publication title -

analytical sciences

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 0.392

H-Index - 73

eISSN - 1348-2246

pISSN - 0910-6340

DOI - 10.2116/analsci.19.645

Subject(s) - piperazine , chemistry , intramolecular force , crystal structure , ring (chemistry) , steric effects , crystallography , hydrogen bond , octahedron , cobalt , octahedral molecular geometry , molecule , cyclohexane conformation , bond length , stereochemistry , chelation , inorganic chemistry , organic chemistry

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-Col-N3 angle is 69.41(15) degrees, extremely smaller than 90 degrees. 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.

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