Affiliation:
1. Fachbereich Chemie, Universität Oldenburg, Carl-von-Ossietzky-Straße, D-2900 Oldenburg
Abstract
The compounds (Ph4P)MnI3L (1), MnI2L3 (2), [MnIL5]I3 (3), and [MnL6](I3)2 (4) (L = C4 H8O, thf) were prepared in thf solution and their structures determined from single crystal X-ray diffraction data. 1 crystallizes in the monoclinic space group C2/c with a = 1743.6(1), b = 1985.8(1), c = 1806.7(1) pm, β = 98.74(1)°, Z = 8. The structure of 1 exhibits tetrahedral anions. The Mn-I distance was found to be 268.0 pm (mean). 2: monoclinic, C2/c with a = 1252.3(2), b = 1255.0(3), c = 1271.8(3) pm β = 113.88(2)°, Z = 4. The characteristic feature of the structure of 2 is the existence of neutral MnI2L3 molecules with a distorted trigonal bipyramidal geometry and the iodine atoms in equatorial positions (Mn-I: 271.1 pm). The compound crystallizes from a solution of Mnl2 in tetrahydrofuran. 3: monoclinic, C2/c with a = 1695.3(1), b = 1123.1(1), c = 1646.2(1̱) pm, β = 96.91(1)°, Z = 4. The preparation of 3 from 2 and iodine yields octahedral MnIL+
5 cations (Mn-I: 278.8̄ pm) and triiodide anions. 4: monoclinic, P21/n with a = 1005.5(1). b = 1056.8(1), c =1835.6(2) pm, β = 91.16(1)°, Z = 2. 4 is prepared from 3 and iodine in thf solution, and shows octahedral MnL6
2+ cations and triiodide anions
Cited by
13 articles.
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