Journal
ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY
Volume 56, Issue -, Pages 1100-1103Publisher
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S0108270100006879
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Two new molecular metal chalcogenides, tris(ethylenediamine-N,N')manganese(II) tetratelluride, [Mn(C2H8N2)(3)]Te-4, (I), and bis[tris(ethylenediamine-N,N')iron(II)] pentaselenodiantimonate(III), [Fe(C2H8N2)(3)](2)(Sb2Se5), (II), containing the isolated molecular building blocks Te-4(2-) and Sb2Se54- , have been synthesized by solvothermal reactions in an ethylenediamine solution at 433 K. The anion Te-4(2-) in (I) is a zigzag oligometric chain with Te-Te bond lengths in the range 2.709-2.751 Angstrom. There is a very short contact [3.329 (1) Angstrom] between a pair of neighboring Te-4(2-) anions. In (II), each Sb atom is surrounded by three Se atoms to give a tripodal coordination. One of the three independent Se atoms is a mu(2)-bridging ligand between two Sb atoms; the other two are terminal.
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