Tin(II) ketoacidoximates: synthesis, X-ray structures and processing to tin(II) oxide
作者： Jayaprakash Khanderi , Bambar Davaasuren , Buthainah Ameen Alshankiti , Alexander Rothenberger
DOI: 10.1039/C5DT03103F
关键词:
摘要: Tin(II) ketoacidoximates of the type [HONCRCOO]2Sn (R = Me 1, CH2Ph 2) and (MeONCMeCOO)3Sn]− NH4+·2H2O 3 were synthesized by reacting pyruvate- hydroxyl- or methoxylamine RONH2 H, Me) with tin(II) chloride dihydrate SnCl2·2H2O. The single crystal X-ray structure reveals that geometry at Sn atom is trigonal bipyramidal in 2 pyramidal 3. Inter- intramolecular hydrogen bonding observed 1–3. Thermogravimetric (TG) analysis shows decomposition 1–3 to SnO occurs ca. 160 °C. evolved gas during TG indicates complete loss oximato ligand one step for 1 whereas a small organic residue additionally removed temperatures >400 °C 2. Above 140 °C, [HONC(Me)COO]2Sn (1) decomposes air spherical particles size 10–500 nm. Spin coating on Si glass substrate followed heating 200 results uniform film SnO. band gap produced nanomaterial was determined diffuse reflectance spectroscopy be range 3.0–3.3 eV. photoelectron surface oxidation SnO2 ambient atmosphere.
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