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Luminescence of cesium dicyanoaurate(I). Evidence for extended Au(I)Au(I) interactions in two dimensions

✍ Scribed by J.T. Markert; N. Blom; G. Roper; A.D. Perregaux; N. Nagasundaram; M.R. Corson; A. Ludi; J.K. Nagle; H.H. Patterson

Publisher: Elsevier Science
Year: 1985
Tongue: English
Weight: 417 KB
Volume: 118
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(85)85311-2

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✦ Synopsis

The luminescence 01 microcqstabne samples of cs[Au(CN),] is reported and ascribed LO planar Au-Au iateracuors Low-temperature measuremenls from 16 Lo 100 K of the luminescence decay rate of CkjAu(CN),] for the band cenlered at 458 run reveal the presence of at Icast IWO eznirting level_s separated by 46 cm-' A kple orbilal model is proposed to accaunt for Lhe lumin essence. and spin-orbit c4upIing is invoked LO errplain rbe splitling of tie two lowest states. The analogics and dirrerences between this lumin escence and Lhal observed for salts of Ft(CN):-are briefly dixused_

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## Abstract Compounds [{Au(pz)(PPh~3~)}~2~] (pz=3,5‐disubstituted pyrazolato; R=BuOC~6~H~4~ (bp), 1; R=C~8~H~17~OC~6~H~4~ (op), 2; R=C~6~H~13~OC~6~H~4~ (hp), 3) were easily obtained by reaction of [Au(NO~3~)(PPh~3~)] and the corresponding pyrazolato ligand. They exhibit similar NMR patterns, their