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Your search keyword '"Jong-Ha Choi"' showing total 2 results
Start Over Author "Jong-Ha Choi" Journal acta crystallographica: section c (wiley-blackwell)
2 results on '"Jong-Ha Choi"'

1. cis-Dinitrito (1,4,8,11-tetraazacyclo-tetradecane-κ4N)chromium(III) nitrite.

Author

Jong-Ha Choi, In-Gyung Oh, Woo-Taik Lim, and Ki-Min Park

Subjects
*CHROMIUM compounds, *INORGANIC compounds, *NITRITES, *CATIONS, *ATOMS, *CHEMICAL bonds
Abstract

In the title compound, [Cr(ONO)2(cyclam)]NO2 (cyclam is 1,4,8,11-tetraazacyclotetradecane, C10H24N2), the complex cation is located on a twofold symmetry axis. The central Cr atom has a distorted octahedral coordination, involving two Cr-O bonds, with the monodentate nitrite O atoms adopting a cis configuration, and four Cr-N bonds. The mean Cr-N and Cr-O distances are 2.0895 (14) and 1.9698 (14) Å. [ABSTRACT FROM AUTHOR]

Published
2004
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2. Bis[trans-dibromo(2, 2-dimethyl-propane-1, 3-diamine-k[sup2]N, N')-chormium(III)] dibromide hydrogen perchlorate hexahydrate.

Author

Jong-Ha Choi, Suzuki, Takayoshi, and Kaizaki, Sumio

Subjects
*CHROMIUM compounds, *MOLECULAR structure, *CRYSTALLOGRAPHY
Abstract

Studies the geometrical structures of chromium complexes. Evidence of two crystallographically independent chromium complex moieties; Existence of a strong hydrogen-bonding interaction between the atoms.; Conformational isomers of the chromium complex cation.

Published
2002
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