Mukherjee, Pampa ; Drew, Michael G. B. ; Estrader, Marta ; Ghosh, Ashutosh (2008) Coordination-driven self-assembly of a novel carbonato-bridged heteromolecular neutral nickel (II) triangle by atmospheric CO2 fixation Inorganic Chemistry, 47 (17). pp. 7784-7791. ISSN 0020-1669
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Official URL: http://pubs.acs.org/doi/abs/10.1021/ic800786s?jour...
Related URL: http://dx.doi.org/10.1021/ic800786s
Abstract
Formation of a quasi-symmetrical μ3-carbonato-bridged self-assembled heteromolecular triangle of Ni(II), [(μ3-CO3){Ni2(salmeNH)2(NCS)2}{Ni(salmeNH2)2]•Et2O•H2O (HsalmeNH = 2-[(3-methylamino-propylimino)-methyl]-phenol) involves atmospheric CO2 uptake in a neutral medium, by spontaneous self-reorganization of the starting mononuclear Ni(II)−Schiff-base complex, [Ni(salmeNH)2]. The environment around Ni(II) in two of the subunits is different from the third one. The starting complex, [Ni(salmeNH)2] and one of the possible intermediate species, [Ni(salmeNH2)2(NCS)2], which has a very similar coordination environment to that in the third Ni(II) center, have been characterized structurally. A plausible mechanism for the formation of such a triangle has also been proposed. The compound shows a very strong antiferromagnetic coupling. Fit as a regular triangular arrangement gave J = −53.1, g = 2.24 and R = 1.5 × 10−4.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 108361 |
| Deposited On: | 13 Oct 2017 12:48 |
| Last Modified: | 13 Oct 2017 12:48 |
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