Nandi, Goutam ; Sarkar, Sabyasachi (2014) Solid phase synthesis and structural characterization of an oxo-molybdenum(V) porphyrin: triplet state ESR spectrum of μ-oxo bridged molybdenum(V) dimer Journal of Porphyrins and Phthalocyanines . ISSN 1088-4246
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Official URL: http://www.worldscientific.com/doi/abs/10.1142/S10...
Related URL: http://dx.doi.org/10.1142/S1088424613501277
Abstract
The solid state synthesis of molybdenum porphyrin using [Mo(NO)2(py)2(Cl)2] as the metal source and H2TPP (5,10,15,20-meso-tetraphenylporphyrin) in 3,5-dinitrobenzoic acid melt is described. Complex [MoVO(TPP)(3,5-DNB)] (1) (3,5-DNB = 3,5-dinitrobenzoate ion) is isolated in almost quantitative yield. 1 is characterized by single-crystal X-ray structure analysis, electron paramagnetic resonance, electronic, FT-IR spectroscopy, and by magnetic moment measurements. 1 in basic alumina column on elution with DCM/Ethyl acetate as solvent hydrolyzed to μ-oxo bridged dimeric molybdenum(V) complex [{MoV(O)(TPP)}2O] (2). 2 shows a interesting triplet state ESR spectrum in the solid state with half field signal suggesting two independent Mo(V) centers in the complex.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Society of Porphyrins and Phthalocyanines. |
| Keywords: | Porphyrin; Solid Phase Synthesis; Molybdenum; ESR Spectroscopy; Crystal Structure |
| ID Code: | 98299 |
| Deposited On: | 14 May 2014 10:00 |
| Last Modified: | 14 May 2014 10:00 |
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