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December 2022 issue
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Cover illustration: A new potassium chloride monohydrate, KCl·H2O, is discovered under pressure. The crystal structure is determined by in situ single-crystal X-ray diffraction and its structure can be explained as the water-incorporated B1-type anhydrous KCl. See Yamashita, Komatsu & Kagi [Acta Cryst. (2022), C78, 749–754].
Halogen, chalcogen, pnictogen and tetrel bonds
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