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2 results on '"Haruto Fujioka"'

1. Aqua(1,4,7,10-tetraazacyclododecane)zinc(II) bis(perchlorate)

Author

Yoshimi Ichimaru, Koichi Kato, Hiromasa Kurosaki, Haruto Fujioka, Misa Sakai, Yoshihiro Yamaguchi, Jin Wanchun, Kirara Sugiura, Masanori Imai, and Tohru Koike

Subjects
crystal structure, zinc(ii) complex, cyclen, Crystallography, QD901-999
Abstract

The cationic ZnII part of aqua(1,4,7,10-tetraazacyclododecane)zinc(II) bis(perchlorate), [Zn(C8H20N4)(H2O)](ClO4)2, exhibits a slightly distorted square-pyramidal coordination environment with a water molecule in the apical position. In the crystal, the macrocyclic ring alternates between two conformations with equal occupancies. Two of the three perchlorate anions are situated about a twofold rotation axis, and one of them shows disorder of the O atoms with occupancies of 0.62 (7) and 0.38 (7). In the crystal, the complexes are connected by intermolecular hydrogen bonding via the perchlorate anions.

Published
2021
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2. Aqua(1,4,7,10-tetraazacyclododecane)zinc(II) bis(perchlorate)

Author

Masanori Imai, Haruto Fujioka, Misa Sakai, Jin Wanchun, Koichi Kato, Yoshihiro Yamaguchi, Tohru Koike, Kirara Sugiura, Yoshimi Ichimaru, and Hiromasa Kurosaki

Subjects
crystal structure, Crystallography, Hydrogen bond, Cationic polymerization, chemistry.chemical_element, Zinc, Crystal structure, Ring (chemistry), cyclen, Crystal, Perchlorate, chemistry.chemical_compound, chemistry, Cyclen, QD901-999, zinc(ii) complex
Abstract

The cationic ZnII part of aqua(1,4,7,10-tetraazacyclododecane)zinc(II) bis(perchlorate), [Zn(C8H20N4)(H2O)](ClO4)2, exhibits a slightly distorted square-pyramidal coordination environment with a water molecule in the apical position. In the crystal, the macrocyclic ring alternates between two conformations with equal occupancies. Two of the three perchlorate anions are situated about a twofold rotation axis, and one of them shows disorder of the O atoms with occupancies of 0.62 (7) and 0.38 (7). In the crystal, the complexes are connected by intermolecular hydrogen bonding via the perchlorate anions.

Published
2021

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