ISSN:
0044-2313
Keywords:
Chemistry
;
Inorganic Chemistry
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
Description / Table of Contents:
Crystal and Molecular Structure of Bis(1,1-diethyl-3-thiobenzoyl-thioureato)nickel(II).Bis(1, 1-diethyl-3-thiobenzoyl-thioureato)nickel(II) forms two modifications, whose structures have been determined by X-ray structure analysis.The monoclinic modification crystallizes in the space group P21/n with a = 13.709, b = 8.571, c = 12.803 Å, β = 68.10° and Z = 2.The triclinic modification crystallizes in the space group I1 with a = 14.406, b = 7.761, c = 11.734 Å, α = 86.10, β = 97.39, γ = 90.18° and Z = 2. The molecular structures of both modifications are nearly identical (packing polymorphism). The coordination is exactly planar, the ligands are arranged in trans position. The average Ni—S bond length is 2.153 Å in the monoclinic form and 2.163 Å in the triclinic form. The chelate rings deviate from planarity.
Notes:
Bis(1, 1-diethyl-3-thiobenzoyl-thioureato)nickel(II) bildet zwei Modifikationen, deren Strukturen mittels Röntgenkristallstrukturanalyse ermittelt wurden.Die monokline Modifikation kristallisiert in der Raumgruppe P21/n mit den Gitterkonstanten a = 13,709, b = 8,571, c = 12,803 Å, β = 68,10° und Z = 2.Die trikline Modifikation kristallisiert in der Raumgruppe I1 mit den Gitterkonstanten a = 14,406, b = 7,761, c = 11,734 Å, α = 86,10, β = 97,39, γ = 90,18° und Z = 2.Die Molekülstrukturen beider Modifikationen sind nahezu identisch (Packungspolymorphie). Die Koordination ist exakt planar, die Liganden sind in trans-Stellung angeordnet. Die mittlere Ni—S-Bindungslänge beträgt 2,153 Å für die monokline und 2,163 Å für die trikline Form. Die Chelatringe weichen von der Planarität ab.
Additional Material:
5 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/zaac.19855280911
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