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Crystal and molecular structures of two nickel maleonitriledithiolate complexes containing 1-methyl-3-(2′-nitryl-4′-bromo-benzyl)-imidazolium cations

✍ Scribed by Dongbin Dang; Yan Bai; Lili Wen; Zhengfang Tian; Yizhi Li; Qingjin Meng


Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
194 KB
Volume
753
Category
Article
ISSN
0022-2860

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✦ Synopsis


Two new ion-pair complexes, [NO

2K

Zmaleonitriledithiolate, have been synthesized and characterized by elemental analysis, IR spectroscopy, UV-visible spectroscopy and X-ray crystallography. The single crystal structure analyses show that in the dianionic complex 1 cations and anions are intermingled each other and stacked along the c-axis with an ACCACC-type repeat unit, whereas the monoanionic complex 2 forms a well-segregated stacking column structure in the solid state.


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Complexes of Ni II , Cu II , Zn II , and Co III containing the 1,2,6,7tetracyano-3,5-dihydro-3,5-diiminopyrrolizinide (L) and the 2,4-tert-butylacetylacetonide (DPM) ligands have been synthesized and characterized. The absorption optical spectra of these species and of the corresponding ML 2 complex