Field, L. D., Messerle, B. A., Soler, L. P. , Hambley, T. W. and Turner, P. (2002) Iron(II) complexes containing poly(1-pyrazolyl)methane ligands. Journal of Organometallic Chemistry, 655(1-2), pp. 146-157. (doi: 10.1016/S0022-328X(02)01471-7)
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Abstract
A number of iron(II) compounds containing the poly(1-pyrazolyl)methane ligands bis(1-pyrazoyl)methane (BPM, 3), bis(3,5-dimethyl-1-pyrazolyl)methane (dmBPM, 4), and tris(1-pyrazolyl)methane (TPM, 2), were synthesised and characterised: cis-[Fe(BPM)2Cl2] (5), trans-[Fe(BPM)2(NCS)2] (9), [Fe(BPM)2Cl]+(BPh4)− (7), [Fe(dmBPM)2Cl2] (6), [Fe(dmBPM)2Cl]+(BPh4)− (8), [Fe(TPM)2]2+(Cl−)2 (10), and [Fe(TPM)(NCS)2] (11). The solid-state structures of cis-[Fe(BPM)2Cl2] (5) and trans-[Fe(BPM)2(NCS)2] (9) were determined by single crystal X-ray diffraction analysis. The compound cis-[Fe(BPM)2Cl2] (5) crystallises as colourless prisms from ethanol and trans-[Fe(BPM)2(NCS)2] (9) crystallises as colourless plates from methanol. All complexes were characterised by 1H- and 13C-NMR spectroscopy, infrared and far infrared spectroscopy, and mass spectroscopy. All of the iron(II) poly(1-pyrazolyl)methane compounds display temperature-dependent paramagnetism. Iron(II) compounds containing the poly(1-pyrazolyl)methane ligands bis(1-pyrazoyl)methane (BPM), bis(3,5-dimethyl-1-pyrazolyl)methane (dmBPM), and tris(1-pyrazolyl)methane (TPM), were synthesised and characterised. The solid-state structures of cis-[Fe(BPM)2Cl2] and trans-[Fe(BPM)2(NCS)2] were determined by single crystal X-ray crystallographic analysis. All of the iron(II) poly(1-pyrazolyl)methane compounds displayed temperature-dependent paramagnetism.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Soler, Dr Linnea |
| Authors: | Field, L. D., Messerle, B. A., Soler, L. P., Hambley, T. W., and Turner, P. |
| College/School: | College of Science and Engineering > School of Chemistry |
| Journal Name: | Journal of Organometallic Chemistry |
| Publisher: | Elsevier |
| ISSN: | 0022-328X |
| ISSN (Online): | 1872-8561 |
| Published Online: | 08 May 2002 |
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