MeOH-coordinated Mn12 single-molecule magnet:: structure and magnetic properties of [Mn12O12(OAc)16(MeOH)4]

被引:14
作者
Bian, GQ [1 ]
Kuroda-Sowa, T [1 ]
Gunjima, N [1 ]
Maekawa, M [1 ]
Munakata, M [1 ]
机构
[1] Kinki Univ, Fac Sci & Engn, Dept Chem, Osaka 5778502, Japan
关键词
single-molecule magnet; Mn-12; complex; methanol coordination; magnetic properties; crystal structure;
D O I
10.1016/j.inoche.2004.12.002
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Complex [Mn12O12(OAc)(16)(MeOH)(4)] having MeOH-coordination was synthesized and characterized, whose magnetic behaviors indicate it is a single-molecule magnet with the largest U-eff/k(B) of 76.2 K. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:208 / 211
页数:4
相关论文
共 27 条
[1]   Single-molecule magnets:: Jahn-Teller isomerism and the origin of two magnetization relaxation processes in Mn12 complexes [J].
Aubin, SMJ ;
Sun, ZM ;
Eppley, HJ ;
Rumberger, EM ;
Guzei, IA ;
Folting, K ;
Gantzel, PK ;
Rheingold, AL ;
Christou, G ;
Hendrickson, DN .
INORGANIC CHEMISTRY, 2001, 40 (09) :2127-2146
[2]   High-frequency EPR spectra of a molecular nanomagnet: Understanding quantum tunneling of the magnetization [J].
Barra, AL ;
Gatteschi, D ;
Sessoli, R .
PHYSICAL REVIEW B, 1997, 56 (13) :8192-8198
[3]   A Mn12 single-molecule magnet [Mn12O12(OAc)12(dpp)4] (dppH = diphenyl phosphate) with no coordinating water molecules [J].
Bian, GQ ;
Kuroda-Sowa, T ;
Konaka, H ;
Hatano, M ;
Maekawa, M ;
Munakata, M ;
Miyasaka, H ;
Yamashita, M .
INORGANIC CHEMISTRY, 2004, 43 (16) :4790-4792
[4]   Polynuclear manganese complexes with the dicarboxylate ligand m-phenylenedipropionate:: A hexanuclear mixed-valence (3MnIII, 3MnIV) complex [J].
Cañada-Vilalta, C ;
Streib, WE ;
Huffman, JC ;
O'Brien, TA ;
Davidson, ER ;
Christou, G .
INORGANIC CHEMISTRY, 2004, 43 (01) :101-115
[5]   Single-molecule magnets.: A Mn12 complex with mixed carboxylate-sulfonate ligation:: [Mn12O12(O2CMe)8(O3SPh)8(H2O)4] [J].
Chakov, NE ;
Wernsdorfer, W ;
Abboud, KA ;
Hendrickson, DN ;
Christou, G .
DALTON TRANSACTIONS, 2003, (11) :2243-2248
[6]   Structural and magnetization studies of a new (mu-oxo)bis(mu-carboxylato)dimanganese(III) complex with a terminal hydroxo ligand [J].
Corbella, M ;
Costa, R ;
Ribas, J ;
Fries, PH ;
Latour, JM ;
Ohrstrom, L ;
Solans, X ;
Rodriguez, V .
INORGANIC CHEMISTRY, 1996, 35 (07) :1857-1865
[7]   Disorder effects in Mn12-acetate at 83 K [J].
Cornia, A ;
Fabretti, AC ;
Sessoli, R ;
Sorace, L ;
Gatteschi, D ;
Barra, AL ;
Daiguebonne, C ;
Roisnel, T .
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, 2002, 58 (07) :m371-m373
[8]   HIGH-SPIN MOLECULES - UNUSUAL MAGNETIC-SUSCEPTIBILITY RELAXATION EFFECTS IN [MN12O12(O(2)CET)(16)(H2O)(3)] (S=9) AND THE ONE-ELECTRON REDUCTION PRODUCT (PPH4)[MN12O12(O(2)CET)(16)(H2O)(4)] (S=19/2) [J].
EPPLEY, HJ ;
TSAI, HL ;
DEVRIES, N ;
FOLTING, K ;
CHRISTOU, G ;
HENDRICKSON, DN .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1995, 117 (01) :301-317
[9]   Hints for the control of magnetic anisotropy in molecular materials [J].
Gatteschi, D ;
Sorace, L .
JOURNAL OF SOLID STATE CHEMISTRY, 2001, 159 (02) :253-261
[10]   Quantum tunneling of magnetization and related phenomena in molecular materials [J].
Gatteschi, D ;
Sessoli, R .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2003, 42 (03) :268-297