Phosphorescent excited state of [Au2[(Ph2Sb)2O]3]2+: Jahn-Teller distortion at only one gold(I) center.
Dinuclear three-coordinate Au(I) complex [Au2{(Ph2Sb)2O}3](ClO4)2 1 displays an interesting phosphorescent behavior in which a large Stokes' shift is observed. Ab initio calculations show that the main distortion for the first triplet excited state, which is responsible for the luminescence behavior of complex 1, is a Jahn-Teller distortion for only one of the Au(I) centers together with a gold-gold distance shortening. This behavior could be extrapolated to other phosphorescent dinuclear three-coordinate Au(I) complexes.
Bojan
Vilma R
VR
Facultatea de Chimie si Inginerie Chimica, Universitatea Babes-Bolyai, RO-400028 Cluj-Napoca, Romania.
Fernández
Eduardo J
EJ
Laguna
Antonio
A
López-de-Luzuriaga
José M
JM
Monge
Miguel
M
Olmos
M Elena
ME
Silvestru
Cristian
C
D000965:Antimony / Q000737:chemistry*; D003460:Crystallization; D018360:Crystallography, X-Ray; D006046:Gold / Q000737:chemistry*; D008163:Luminescent Measurements; D008958:Models, Molecular; D009942:Organometallic Compounds / Q000737:chemistry* / Q000528:radiation effects
D009942:Organometallic Compounds; D006046:Gold; D000965:Antimony