{"ok":true,"nota":{"id":"7d18145557549284","slug":"logran-aislar-por-primera-vez-en-mas-de-50-anos-una-molecula-de-uranio-7d1814","titulo":"Logran aislar por primera vez en más de 50 años una molécula de uranio con forma de sándwich","resumen":"Investigadores de la Universidad de Manchester y de la Universidad de Lancaster aislaron y caracterizaron el uranocenio, la forma con carga positiva del uranoceno, un compuesto de uranio buscado desde hace décadas. El trabajo se publicó en Nature Communications.","fuente":"phys","fuenteNombre":"Phys.org","color":"#2b5c8a","autor":"","url":"https://phys.org/news/2026-10-elusive-uranium-sandwich-molecule-isolated.html","imagen":"https://scx1.b-cdn.net/csz/news/tmb/2026/elusive-uranium-sandwi.jpg","tema":"ciencia","subtemas":["química del uranio","enlace químico","elementos pesados","compuestos organometálicos"],"entidades":["Universidad de Manchester","Universidad de Lancaster","Nature Communications"],"formato":"dato","entretenimiento":false,"pubTs":"2026-10-23T16:00:12.000Z","indexTs":"2026-10-23T16:01:36.181Z","hash":"b892f19e10aa273238ce6a6631fff97086d241fb6a8bb2440975e409aeabede5","tsa":{"time":"Oct 23 16:01:56 2026 GMT","provider":"freetsa.org","sobre":"sello"},"stats":{"views":0,"likes":0,"clicks":0,"dwell":0},"tipo":"normal","registro":"hallazgo","porQueImporta":"Después de más de cincuenta años de intentos, la molécula existe y es estable, algo que cambia lo que se creía sobre cómo se unen los átomos de elementos pesados. Para la química básica, esto obliga a revisar supuestos; para quien vive acá, la aplicación práctica inmediata es nula. Es un avance de conocimiento puro que todavía está lejos de cualquier uso cotidiano.","quienFirma":"Universidad de Manchester y Universidad de Lancaster","confianza":"revisado","consulta":null},"sello":{"hash":"b892f19e10aa273238ce6a6631fff97086d241fb6a8bb2440975e409aeabede5","sello":"56b77e035dbab7a9c2bc27df3416b8e193ed3f0edd2c204335fd1a2dfd43a9cc","beacon":{"drand":{"cadena":"8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce","ronda":6578009,"aleatorio":"9a01a83c83fc5271c7d300c065a782e5c15036579e87dd1e8018a59565f3ceaf","tiempo":"2026-10-23T16:01:30.000Z"},"nist":{"cadena":2,"pulso":1996198,"salida":"68E6F00BFABC34AAC18C9E752F153249DED42126C63807F61400047A1BF51183E22AD2E46AFD147236527827682542248D2EB1479392F7C04E15D3D604453068","tiempo":"2026-10-23T16:01:00.000Z"},"noAntes":"2026-10-23T16:01:30.000Z"},"verificacion":{"drand":true,"nist":true},"tsa":{"time":"Oct 23 16:01:56 2026 GMT","provider":"freetsa.org","sobre":"sello"},"original":{"titulo":"Elusive uranium 'sandwich' molecule isolated after more than 50 years","descripcion":"In a study published in Nature Communications, researchers from The University of Manchester and Lancaster University have isolated and characterized uranocenium, the positively charged form of a landmark uranium compound called uranocene. The work shows that this long-sought molecule is stable, and that it behaves in a way that challenges how chemists usually think about bonding in heavy elements.","pubDate":"Fri, 23 Oct 2026 12:00:12 EDT","url":"https://phys.org/news/2026-10-elusive-uranium-sandwich-molecule-isolated.html"},"indexado":"2026-10-23T16:01:36.181Z"}}