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The crystal structure of the 1:1 mixture revealed that the sodium atoms are aligned in infinite chains with the two organic units hydrogen bonded together to create potentially trinucleating ligands that encase the metal core, which leads to tube\u2010like structures. These one\u2010dimensional crystals were found to spontaneously gelify dichloromethane and provide pyridine gels with high thermal resistance. Gel formation was investigated by several analytical techniques, which included differential scanning calorimetry, TEM, freeze fracture electron microscopy (FFEM), IR spectroscopy and X\u2010ray diffraction, and was found to be induced by the swelling of the one\u2010dimensional material. FFEM and powder X\u2010ray diffraction have revealed that the sodium chains are associated in a highly compacted state into a layered structure inside the gel. Doping these robust gels with dyes by diffusion, such as xylene cyanol, methyl yellow and bromo thymol blue, is feasible without destruction of the gels.<\/jats:p>","DOI":"10.1002\/chem.200700660","type":"journal-article","created":{"date-parts":[[2007,9,11]],"date-time":"2007-09-11T08:17:10Z","timestamp":1189498630000},"page":"9277-9285","source":"Crossref","is-referenced-by-count":14,"title":["Sodium Chains as Core Nanowires for Gelation of Organic Solvents from a Functionalized Nicotinic Acid and Its Sodium Salt"],"prefix":"10.1002","volume":"13","author":[{"given":"David","family":"Bardelang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Franck","family":"Camerel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anna\u2005C.\u2005G.","family":"Hotze","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Benson","family":"Kariuki","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Biswajit","family":"Paik","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marc","family":"Schmutz","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Raymond","family":"Ziessel","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael\u2005J.","family":"Hannon","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2007,11,8]]},"reference":[{"key":"e_1_2_6_1_2","unstructured":"\u00a0"},{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1021\/cr9700282"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1021\/cr0302049"},{"key":"e_1_2_6_4_2","doi-asserted-by":"publisher","DOI":"10.1039\/b417081b"},{"volume-title":"Molecular Gels, Materials With Self\u2010Assembled Fibrillar Networks","year":"2006","author":"Weiss R. 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further confirmation that the OH group of the acid fragment is engaged in hydrogen\u2010bonded motifs inside the solid\u2010state structure infrared spectroscopy was performed on powder sandwiched between anhydrous KBr pellets. 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