| Abstract: | The single‐crystal structure of tetratin tetracosamolybdenum octatriacontaoxide, Sn4.4Mo24O38, contains infinite chains of centrosymmetric dioctahedral Mo10 and centrosymmetric trioctahedral Mo14 clusters. These clusters, as well as the O atoms, the arrangement of which derives from a closest‐packing with the layer sequence …ABAC…, form sheets parallel to the ac plane of the monoclinic unit cell. The Mo—Mo distances range from 2.6225 (7) to 2.8212 (9) Å and from 2.6270 (7) to 2.8365 (7) Å in the Mo10 and Mo14 clusters, respectively. The Mo—O distances vary between 1.949 (4) and 2.151 (4) Å in the Mo10 cluster and between 1.938 (4) and 2.140 (4) Å in the Mo14 cluster. The three crystallographically independent Sn2+ ions are off the centre of distorted oxygen octahedra. |
