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Crystal structure and magnetic property of the binuclear manganese(III) complex [Mn(L)H2O]2(ClO4)2(L  N-(acetylaceto nylidene)-N′-(α-methylsalicylidene)-ethylenediamine) by Naohide Matsumoto; Zhuang Jin Zhong; Hisashi ōkawa; Sigeo Kida is a Chemistry article available to read on EtoBox.

What is Crystal structure and magnetic property of the binuclear manganese(III) complex [Mn(L)H2O]2(ClO4)2(L  N-(acetylaceto nylidene)-N′-(α-methylsalicylidene)-ethylenediamine) about?

X-band ESR spectrum at 20 K, and the single-crystal X-ray diffraction technique. The crystal structure and magnetic property of the title compound [Mn(L)HaO]a(ClO& are described. The complex crystallizes in the triclinic space group Pi with formula = MnC1O,NZCrsHze, a= 11.615(4), b= 11.955(4), c=7.753(2) A, (Y= 104.65(2), fl= 111.84(3), y = 63.64(2)", I'= 890.5(6) A3 and 2 = 2. The complex consists of a binuclear structure bridged by two phenoxo oxygen atoms O(1) and O(l)\* of the quadridentate ligands in an outof-plane mode, where the binuclear structure has a crystallographical center of symmetry, and the bond distances of Mn-Mn\* and Mn-O(l)\* are 3.318(l) and 2.305(2) A, respectively. The magnetic susceptibility data (4.2-300 K) showed a maximum at 11 K and were closely reproduced by the spin-Hamiltonian g = 2JSr \*SZ with J= -1.68 cm-r and g= 2.01. The deviation of the observed values from the theoretical curve in the lower temperature region is due to the zerofleld splitting term. The X-band ESR spectrum in frozen dichloromethane solution at 20 K showed a broad signal at 900 G and a multiline signal at 3300 G.

Who reads Crystal structure and magnetic property of the binuclear manganese(III) complex [Mn(L)H2O]2(ClO4)2(L  N-(acetylaceto nylidene)-N′-(α-methylsalicylidene)-ethylenediamine)?

Author

Naohide Matsumoto; Zhuang Jin Zhong; Hisashi ōkawa; Sigeo Kida

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0020-1693)

Published

1989

Language

EN

Field

Chemistry (Physical Sciences)