Single-chain magnets (SCMs) are materials composed of magnetically isolated one-dimensional (1D) units exhibiting slow relaxation of magnetization. The occurrence of SCM behavior requires the fulfillment of stringent conditions for exchange and anisotropy interactions. Herein, we report the synthesis, the structure, and the magnetic characterization of the first actinide-containing SCM. The 5f-...

Based-on the quasi-planar tetra-dentate Schiff-base ligand, a pair of manganese(III) Schiff-base enantiomers formulated as {[Mn(R,R-3-MeOSalcy)(H2O)(CH3OH)]ClO4}2 (1) and {[Mn(S,S-3-MeOSalcy)(H2O)(CH3OH)]ClO4}2 (2) (3-MeOSalcy = N,N′-(1,2-cyclohexanediylethylene)bis(3-methoxysalicylideneiminato)dianion) ...

Six transition metal-salen complexes (metal = Fe, Mn and Cr) 1-6 have been synthesized and characterized using different spectroscopic and electrochemical techniques. The binding studies of natural antioxidant, curcumin with the complexes (1-6) have been carried out by electronic absorption spectroscopic technique. The substantial shift in the absorption maximum of complexes (1-6) when they bin...

In the title compound, [Cr(2)Ni(C(16)H(14)N(2)O(2))(2)(CN)(4)(C(10)H(24)N(4))]·2CH(3)OH, each [Cr(salen)(CN)(2)] unit {salen is 2,2'-[ethane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolate} acts as a monodentate ligand through one of its two cyanide groups N bound to a central [Ni(cyclam)](2+) core (cyclam is 1,4,8,11-tetra-azacyclo-tetra-deca-ne). Each Cr(III) ion is coordinated by two N and two...

The dimeric complex [Mn(III)(2)(Naphth-sao)(2)(Naphth-saoH)(2)(MeOH)(2)]·4MeOH (1·4MeOH), acts as a simple model complex with which to examine the magneto-structural relationship in polymetallic, oxime-bridged Mn(III) complexes. Dc magnetic susceptibility studies reveal that ferromagnetic exchange is mediated through the heavily twisted Mn-O-N-Mn moiety (J = +1.24 cm(-1)) with magnetisation mea...

Bu çalışmada çıkış maddesi olarak siyanür klorür kullanıldı. Siyanür klorür, literatürde verilen metotlardan faydalanılarak asetonlu ortamda farklı klor uçlarından 5-hidroksiizoftalik asit kullanılarak 0 oC bir yönlü (monopodal) 2,4-dikloro-6-(3,5-dikarboksifenoksi)-1,3,5-triazin (MNCHIPA) ve oda sıcaklığında iki (dipodal) 2-kloro-4,6-(2,5-dikarboksifenilfenoksi)-1,3,5-triazin (DPCHIPA) bileşik...

A new high oxidation state Mn(III/IV)(11) carboxylate complex has been prepared and then converted to a Mn(II/III)(25) azide/carboxylate cluster with Me(3)SiN(3); the Mn(25) product is the initial example of a higher oxidation state Mn azide complex not stabilized by any chelate ligands.