Crystal structure of form 1, magnetic properties and polymorphism of bis (NN-di-(n-propyl)dithiocarbamato iron (III) iodide |
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| Authors: | Bijan Etemadi Abdol Abadi Rex A Palmer Brian W Fitzsimmons |
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| Institution: | (1) Present address: Geology Department, Faculty of A and S, Shiraz University, Iran;(2) Crystallography Department, Birkbeck College, Malet Streets, WC1E 7HX London, England;(3) Chemistry Department, Birkbeck College, Malet Street, WC1E 7HX London, England |
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| Abstract: | The crystal structure of bis (NN-di(n-propyl)dithiocarbamato iron(III) iodide, FeIII(S2CN6H14)2I, has been determined by the heavy-atom method and refined toR=0.055 for 3487 reflections withI(hkl)>3 I(hkl). The crystals are triclinic,C¯1,Z=8,a=27.644(6),b=19.186(4),c=8.694(2) Å, =87.79(1), =88.72(1),  =101.87(2)°. The I-Fe bond lengths are different in the two moleculesA andB in the asymmetric unit, having values of 2.642 Å (2.655) and 2.612 Å (2.634) respectively (libration-corrected values given in parentheses). The measured effective magnetic moment
eff 3.89 BM, independent of temperature (93-353K), suggests a spinS of 3/2 with three unpaired electrons for FeIII. |
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