Morale, F., Finn, R. L., Collinson, S. R., Blake, A. J., Wilson, C. , Bruce, D. W., Guillon, D., Donnio, B. and Schröder, M. (2008) Metal-directed columnar phase formation in tetrahedral zinc(ii) and manganese(ii) metallomesogens. New Journal of Chemistry, 32(2), pp. 297-305. (doi: 10.1039/B710745E)
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Abstract
New, non-discoid M(II) complexes [MCl2(L)] {M = Mn, Zn; L = 2,6-diformyl-4-methylphenolbis[3′,4′,5′-tris(hexadecyloxy)phenylimine]} have been prepared and shown to exhibit columnar mesophases, the nature of which was found to be metal-dependent. As analysed by DSC and small-angle X-ray diffraction experiments, the complex [ZnCl2(L)] exhibits a single mesophase with rectangular symmetry (Colr) between 46 and 145 °C, whereas the Mn(II) analogue [MnCl2(L)] displays a purely hexagonal mesophase (Colh) phase between 55 and 285 °C. By combining these results with those obtained from dilatometry, a model for the molecular organisation within the columnar mesophases is proposed. The single-crystal X-ray structure of the related complex [Zn(NO3)(L′)2]NO3·3MeOH {L′ = 2,6-diformyl-4-methylphenolbis[3′,4′,5′-tris(methoxy)phenylimine]} has been determined and supports the proposed mode of binding of the ligand to the metal via only one imine and a phenol.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Wilson, Dr Claire |
| Authors: | Morale, F., Finn, R. L., Collinson, S. R., Blake, A. J., Wilson, C., Bruce, D. W., Guillon, D., Donnio, B., and Schröder, M. |
| College/School: | College of Science and Engineering > School of Chemistry |
| Journal Name: | New Journal of Chemistry |
| Publisher: | Royal Society of Chemistry |
| ISSN: | 1144-0546 |
| ISSN (Online): | 1369-9261 |
| Published Online: | 25 September 2007 |
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