Alkynyl complexes, molecular second-order

Table 1. Molecular second-order NLO results for selected iron, ruthenium and osmium alkynyl complexes ...

In the majority of reports, researchers have employed the EFISH or HRS teeh-niques to measure molecular second-order nonlinearities of organometallies. The earliest studies in this field were of metal carbonyl-derived complexes, but sinee these reports, the majority of the measurements have been of metallocenyl, metal alkynyl or related complexes, which can be synthesized in high yield by... 

Molecular Second-Order NLO Results for Vinylidene, Alkynyl and Nitrile Complexes... 

Iron alkynyl complexes containing aromatic moieties are of particular interest as building blocks for molecular devices. Second-order non-linear optical properties have been investigated for various Fe(ii) and Fe(iii) complexes of the type [(dppe)Gp Fe(G=G-Ar)] where Ar = pyridine, GsH4N(GH3), or/>-G6H4X (X = NO2, GN, GF3, H, OMe, and NH2). These compounds have shown significant quadratic redox-switchable polarizabilities. Further examples of redox-active iron alkynyl synthons containing aromatic units have been reported, where the iron alkynyl unit is... 

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