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・ Z-Division
・ Z-DNA
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・ Z-drag
・ Z-drive
・ Z-drug
・ Z-FA-FMK
・ Z-factor
・ Z-farnesyl diphosphate synthase
・ Z-fighting
・ Z-Fly UAV
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・ Z-gene
・ Z-group
・ Z-index
Z-Ligand
・ Z-line
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・ Z-machine
・ Z-Maestro
・ Z-Man
・ Z-Man (rapper)
・ Z-Man Games
・ Z-Man Records
・ Z-matrix
・ Z-matrix (chemistry)
・ Z-matrix (mathematics)
・ Z-mill
・ Z-Mind
・ Z-Netz


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Z-Ligand : ウィキペディア英語版
Z-Ligand
In covalent bond classification, a Z-type ligand refers to a ligand that accepts two electrons from the metal center. This is in contrast to X-type ligands, which form a bond with the ligand and metal center each donating one electron, and L-type ligands, which form a bond with the ligand donating two electrons. Typically, these Z-type ligands are Lewis acids, or electron acceptors. They are also known as zero-electron reagents.
==History==
The ability of Lewis acids to coordinate to transition metals as σ-acceptor ligands was recognized as early as in the 1970s, but the so-called Z-type ligands remained curiosities until the early 2000s. Over the last decade, significant progress has been made in this area, especially via the incorporation of Lewis acid moieties into multidentate, ambiphilic ligands. The understanding of the nature and influence of metal→Z-ligand interactions has considerably improved and the scope of Lewis acids susceptible to behave as σ-acceptor ligands has been significantly extended.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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