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Synthesis and Luminescence Studies of a Tethered, Trigonal, Silver(I) Tris(alkyne) Complex
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2024-07-24 , DOI: 10.1021/acs.inorgchem.4c02020 Maxwell H Furigay 1 , Brett D Vincenzini 1 , Jun Gu 1 , Michael R Gau 1 , Eric J Schelter 1
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2024-07-24 , DOI: 10.1021/acs.inorgchem.4c02020 Maxwell H Furigay 1 , Brett D Vincenzini 1 , Jun Gu 1 , Michael R Gau 1 , Eric J Schelter 1
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The synthesis and characterization of a tris(alkyne) ligand, tris[2-(trimethylsilyl)ethynyl-4-tert-butylbenzyl]amine (1), and its silver(I) hexafluorophosphate complex, 1-Ag, are reported. The solid-state structure and luminescence properties of 1-Ag indicate relatively strong silver(I)–alkyne interactions between the metal cation and 1. No significant changes in the bond angles or lengths were observed upon metalation of 1 with Ag+, indicating a relatively unstrained ligand–metal motif. The luminescence properties of 1 and 1-Ag are also disclosed, showing attenuation in the luminescence intensity upon Ag+ metalation, with Stokes shifts of ∼3700 and ∼3200 cm–1 for 1 and 1-Ag, respectively. The lifetimes of 1-Ag (τ1 = 8.383 ± 0.053 ns and τ2 = 4.665 ± 0.061 ns) were longer than those of 1 (τ1 = 6.708 ± 0.085 ns and τ2 = 3.689 ± 0.025 ns), possibly indicating multiple conformers of 1-Ag in solution. This new silver alkyne platform has potential applications in studies of catalysis, luminescent compounds, and sensing.
中文翻译：
系链三方银(I)三(炔)络合物的合成和发光研究
报道了三(炔)配体三[2-(三甲基甲硅烷基)乙炔基-4-叔丁基苄基]胺( 1 )及其六氟磷酸银(I)络合物1-Ag的合成和表征。 1-Ag的固态结构和发光特性表明金属阳离子和1之间存在相对较强的银(I)-炔相互作用。当1与 Ag +金属化时，没有观察到键角或长度的显着变化，表明配体-金属基序相对不受应变。还公开了1和1-Ag的发光特性，显示 Ag +金属化后发光强度衰减， 1和1-Ag的斯托克斯位移分别为~3700 和~3200 cm –1 。 1-Ag的寿命（τ 1 = 8.383 ± 0.053 ns 和 τ 2 = 4.665 ± 0.061 ns）比1的寿命（τ 1 = 6.708 ± 0.085 ns 和 τ 2 = 3.689 ± 0.025 ns）长，可能表明存在多个溶液中1-Ag的构象异构体。这种新的银炔平台在催化、发光化合物和传感研究中具有潜在的应用。
更新日期：2024-07-24
中文翻译：
系链三方银(I)三(炔)络合物的合成和发光研究
报道了三(炔)配体三[2-(三甲基甲硅烷基)乙炔基-4-叔丁基苄基]胺( 1 )及其六氟磷酸银(I)络合物1-Ag的合成和表征。 1-Ag的固态结构和发光特性表明金属阳离子和1之间存在相对较强的银(I)-炔相互作用。当1与 Ag +金属化时，没有观察到键角或长度的显着变化，表明配体-金属基序相对不受应变。还公开了1和1-Ag的发光特性，显示 Ag +金属化后发光强度衰减， 1和1-Ag的斯托克斯位移分别为~3700 和~3200 cm –1 。 1-Ag的寿命（τ 1 = 8.383 ± 0.053 ns 和 τ 2 = 4.665 ± 0.061 ns）比1的寿命（τ 1 = 6.708 ± 0.085 ns 和 τ 2 = 3.689 ± 0.025 ns）长，可能表明存在多个溶液中1-Ag的构象异构体。这种新的银炔平台在催化、发光化合物和传感研究中具有潜在的应用。
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