Abstract
Various synthetic approaches are used to obtain new triangular complexes with rare cluster nuclei M3Te7 4+ (M = Mo, W), as well as with partial substitution for chalcogen W3Te3.8Se 3.2 4+ . The crystalline structure has been identified for K5{[Mo3Te7(CN)6]2I}·2.5H2O (I), K3{[Mo3Te7(CN)6]SeCN}·3.25H2O (II), Cs2K{ [W3Te7(CN)6]Br0.8Cl0.2}·2.5H2O (III), Cs3{ [W3Te7(CN)6]Br}·2H2O (IV), Cs1.59K1.41{[W3Te3.8Se3.2× ×(CN)6]Br}·1,5H2O (V), [W3Te7((EtO)2PS2)3]Br (VI). The compounds are characterized by IR methods and electronic spectroscopy, electrospray-mass-spectrometry. The crystalline structure of this class of compounds is analyzed. Specific non-valence interactions in these systems are considered in detail.
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