RT info:eu-repo/semantics/article T1 4-Pyridylisocyanide Gold(I) and Gold(I)-plus-Silver(I) Luminescent and Mechanochromic Materials: The Silver Role A1 Conejo Rodríguez, Verónica A1 Peñas de Frutos, Marconi Nicolás A1 Espinet Rubio, Pablo K1 Gold K1 Oro K1 Silver K1 Plata K1 Luminescent materials K1 Materiales luminiscentes K1 Mechanochromic materials K1 Materiales mecanocrómicos K1 2211.04 Cristalografía AB Crystallographic and DFT examination of the metalloligands[AuAr(CNPy-4)] (Ar = C6F5 (1), C6F3Cl2-3,5 (2)) and their silvercomplexes [Ag[AuAr(CNPy-4)]2](BF4) (3 and 4) support that themarked luminescence red-shifts observed on moving from 1 to 2,from 1,2 to 3,4, or upon grinding, are not caused by electronicdifferences (either by changing the aryls C6F5/C6F3Cl2, or by Ncoordination to silver), nor by non-existent Au···Ag interactions.They are always due to structural changes disturbing stronger π-πstackings in order to allow for shorter Au···Au interactions. PB Royal Society of Chemistry SN 1477-9234 YR 2019 FD 2019 LK http://uvadoc.uva.es/handle/10324/38372 UL http://uvadoc.uva.es/handle/10324/38372 LA eng NO Dalton Transactions, 2019, vol. 48, n. 28. p. 10412-10416 NO Producción Científica DS UVaDOC RD 24-nov-2024