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Synthesis, Crystal Structures and Third‐Order Nonlinear Optical Properties of Two Novel Ferrocenyl Schiff‐Base Complexes [Ag(L) 2 ](NO 3 )⋅(MeOH)⋅(EtOH) and [HgI 2 (L)] {L = 1,2‐Bis[(ferrocen‐l‐ylmethylene)amino]ethane}
Author(s) -
Hou Hongwei,
Li Gang,
Song Yinglin,
Fan Yaoting,
Zhu Yu,
Zhu Lu
Publication year - 2003
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.200200616
Subject(s) - chemistry , hyperpolarizability , ferrocene , crystallography , ion , aryl , crystal structure , nonlinear optical , schiff base , single crystal , inorganic chemistry , molecule , electrochemistry , organic chemistry , electrode , alkyl , physics , nonlinear system , quantum mechanics , polarizability
Two novel ferrocenyl complexes [Ag(L) 2 ](NO 3 )·(MeOH)· (EtOH) ( 1 ) and [HgI 2 (L)] ( 2 ) {L = 1,2‐bis[(ferrocen‐l‐ylmethylene)amino]ethane} have been prepared and structurally characterized by means of X‐ray single crystal diffraction. The central ion, silver( I ) or mercury( II ), has a distorted tetrahedral environment, the silver( I ) ion coordinates with two L, and the mercury( II ) ion binds one L and two iodine atoms. Their third‐order nonlinear optical (NLO) properties were determined by Z‐scan techniques in DMF solution. The results indicate that the two complexes exhibit very strong NLO absorption and strong self‐focusing effects. The third‐order NLO absorptive coefficients α 2 are 1.34 × 10 −8 m W −1 for 1 and 3.1 × 10 −9 m W −1 for 2 . The refractive indexes n 2 for the two complexes are 1.15 × 10 −18 and 8.02 × 10 −19 m 2 W −1 , respectively. The hyperpolarizability γ values are calculated to be 2.68 × 10 −30 esu for 1 and 1.44 × 10 −30 esu for 2 . The γ values are several orders of magnitude larger than those of the reported aryl and vinyl derivatives of ferrocene. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)