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Sandwich‐artige Cyclopentadienylkomplexe von Hauptgruppenelementen
Author(s) -
Jutzi Peter
Publication year - 1999
Publication title -
chemie in unserer zeit
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.217
H-Index - 24
eISSN - 1521-3781
pISSN - 0009-2851
DOI - 10.1002/ciuz.19990330605
Subject(s) - ionic bonding , covalent bond , metal , cluster (spacecraft) , crystallography , cyclopentadienyl complex , intermolecular force , chemistry , materials science , chemical physics , molecule , catalysis , organic chemistry , ion , computer science , programming language
Cyclopentadienyl (Cp) complexes of maingroup elements are classified and compared in terms of structural types, bonding features, and characteristic reactions. Halfsandwich, sandwich and multidecker sandwich arrangements of different type are observed including cluster species with weak or strong metal‐metal bonds. The Cp‐El bonding ranges from mainly covalent to purely ionic with important structure‐determining intermolecular contacts in the latter. π‐Complexation allows the stabilisation of compounds with low‐valent elements such as AI(I), Ga(I), and Si(I1). Important reaction principles and applications are shortly described.