Contents list.

The document is a contents list for the journal CrystEngComm, which focuses on solid-state and crystalline materials. It includes information about the articles and papers in the issue, as well as details about the journal's editorial board. The journal welcomes studies on various aspects of crystal behavior and engineering. The article in this issue explores the electrocatalytic hydrogen production activity of a copper(II)-dipyridylamine complex in acidic water. The authors conducted experiments to investigate the efficiency of this complex in generating hydrogen gas, providing valuable insights into its potential as a catalyst for hydrogen production. [Extracted from the article]