Ein neues Oxohalogenoferrat: Sr3Fe2O5Cl2

About a New Oxohalogenoferrite: Sr₃Fe₂O₅Cl₂ The preparation and single crystal X-ray investigation of Sr₃Fe₂O₅Cl₂ are described. This compound belongs to the Sr₃Ti₂O₇ structure with a = 3.942(2) and c = 23.786(12) Å; space group D?I4/mmm. Sr₃Fe₂O₅Cl₂ shows an one-sided streched FeO₅Cl octahedron in respect to the Fe? Cl distances. This particularity is discussed in comparison to other K₂NiF₄-type compounds.