X-ray crystal structures of transient intermediates obtained during reactions can provide direct evidence of reaction mechanisms and potentially information on structure–reactivity relationships.

中文翻译：

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催化作用的结构快照

在反应过程中获得的瞬态中间体的 X 射线晶体结构可以提供反应机制的直接证据和结构-反应性关系的潜在信息。