Flash Communication: Lithium 1,4-Diazine Triple Ion Radical Complexes─Structural Isolation and Trends in Spin Delocalization

IF 2.4 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Organometallics Pub Date : 2026-10-26 Epub Date: 2026-09-26 DOI:10.1021/acs.organomet.6c00266

Fahmida Islam, George D. Tisdale, Frank R. Fronczek, Clifton L. Wagner

引用次数: 0

Abstract

A series of dilithium 1,4-diazine radical anion complexes were synthesized as analogs to alkali triple ion radical complexes. The solid-state structures display bond metrics consistent with single-electron reduction of the bridged diazine. EPR analysis shows diazine-localized spin density with a small contribution to the coordinated lithium atoms in the quinoxaline radical anion (2), while the phenazine radical anion (3) displays no measurable lithium hyperfine coupling, indicating negligible lithium contribution to the spin distribution.

Abstract Image

查看原文本刊更多论文

闪光通讯：锂1,4-偶氮三离子自由基配合物──结构分离与自旋离域趋势

合成了一系列与碱三离子自由基配合物类似的二硫鎓- 1,4-嘧啶阴离子配合物。固体结构显示与桥接杂志的单电子还原相一致的键指标。EPR分析显示，在喹诺啉自由基阴离子(2)中，二氮定位的自旋密度对配位锂原子的贡献很小(2)，而非那嗪自由基阴离子(3)中没有可测量的锂-超细耦合，表明锂对自旋分布的贡献可以忽略不计。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Organometallics 化学-无机化学与核化学

CiteScore

5.60

自引率

7.10%

发文量

382

审稿时长

1.7 months

期刊介绍： Organometallics is the flagship journal of organometallic chemistry and records progress in one of the most active fields of science, bridging organic and inorganic chemistry. The journal publishes Articles, Communications, Reviews, and Tutorials (instructional overviews) that depict research on the synthesis, structure, bonding, chemical reactivity, and reaction mechanisms for a variety of applications, including catalyst design and catalytic processes; main-group, transition-metal, and lanthanide and actinide metal chemistry; synthetic aspects of polymer science and materials science; and bioorganometallic chemistry.