Sharma, Anuj Kumar ; Lloret, Francesc ; Mukherjee, Rabindra Nath (2007) Phenolate- and acetate (both μ2-1,1 and μ2-1,3 mode)-bridged face-shared trioctahedral linear NiII3, NiII2MII (M = Mn, Co) complexes: ferro- and antiferromagnetic coupling Inorganic Chemistry, 46 (13). pp. 5128-5130. ISSN 0020-1669
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Official URL: http://pubs.acs.org/doi/abs/10.1021/ic0623157
Related URL: http://dx.doi.org/10.1021/ic0623157
Abstract
The complexes [(L)2NiII2MII(μ2-1,3-OAc)2(μ2-1,1-OAc)2(S)2]·xMeOH [HL = N-methyl-N-(2-hydroxybenzyl)-2-aminoethyl-2-pyridine; M = Ni, S = MeOH, x = 6 (1); M = Mn, S = H2O, x = 0 (2); M = Co, S = MeOH, x = 6 (3)] have been synthesized. Crystal structures reveal that three octahedral MII ions form a linear array with two terminal moieties {(L)NiII(μ2-1,3-OAc)(μ2-1,1-OAc)(MeOH/H2O)}- in a facial donor set and a central MII ion which is connected to the terminal ions via bridging phenolate and two types of bridging acetates. Magnetic measurements reveal that the NiII3 and NiII2CoII centers are ferromagnetically and NiII2MnII center is antiferromagnetically coupled. An attempt has been made to rationalize the observed magneto-structural behavior.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 26039 |
| Deposited On: | 04 Dec 2010 10:53 |
| Last Modified: | 02 Mar 2011 11:15 |
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