Diaqua-dichloridomethyl-phenyl-tin(IV)-1,4,7,10,13-penta-oxacyclo-penta-decane (1/1).

The asymmetric unit of the title cocrystal, [Sn(CH(3))(C(6)H(5))Cl(2)(H(2)O)(2)]·C(10)H(20)O(5), contains two independent for-mula units. The organotin molecules exhibit a six-coordinate metal atom and are linked to the crown ether molecules by water-crown ether O-H⋯O hydrogen bonds into a linear chain running along [101]. Each coordinated water mol-ecule forms a pair of hydrogen bonds to the same crown ether; for the crown ether mol-ecules, only four of the five O atoms are engaged in hydrogen-bonding inter-actions. The metal ions show a distorted trans-C(2)SnCl(2)O(2) octa-hedral coordination geometry [C-Sn-C = 175.3†(1) and 178.9†(1)°].