SYNTHESES, CRYSTAL-STRUCTURES AND PROPERTIES OF 2 CHLORANILATE-BRIDGING DINUCLEAR MN(II) COMPOUNDS WITH DIFFERENT LATTICE SOLVATE MOLECULES- [MN-2(TPA)(2)(CA)](CLO4)(2)CENTER-DOT-3H(2)O AND [MN-2(TPA)(2)(CA)](CLO4)(2)CENTER-DOT-2CH(3)CN (TPA = TRIS(2-PYRIDYLMETHYL)AMINE - CA = DIANION OF CHLORANILIC ACID)

Two chloranilate-bridging dinuclear Mn(II) compounds with different la ttice solvate molecules, [Mn-2(TPA)(2)(CA)](ClO4). 3H(2)O (compound 1) and [Mn-2(TPA)(2)(CA)](ClO4)(2). 2CH(3)CN (compound 2), were synthesi zed and their crystal structures were determined by single-crystal X-r ay diffraction. In the cation [Mn-2(TAP)(2)(CA)](2+), each Mn2+ ion is coordinated by four nitrogen atoms from TPA and two oxygen atoms from chloranirate and the chloranilate bridges two Mn2+ ions in a bis bide ntate fashion. The temperature-dependent magnetic susceptibility data of compound 1 were fitted based on H = -JS(1)S(2), yielding the intram olecular coupling constant J value of -0.12 cm(-1). The electrochemica l properties and catalase-like activity Of compound 1 were studied. (C ) 1998 Elsevier Science Ltd. All rights reserved.