Complexes of INCl3 with crown ethers (12-crown-4, 15-crown-5 and 18-crown-6) of InCl3·nH2O·L and (InCl3)m·L compositions were synthesized. It is shown that elevation of temperature during synthesis of InCl3 complexes with crown ethers leads to formation and separation of anhydrous complexes from organic aqueous solutions. X-Ray structural investigation into InCl3·2H2O·15C5 (1) and InCl3·3H2O·18C6 (2) enabled to establish that their structure was similar to sandwich one, where inorganic InCl3·nH2O complex, connected with crown ethers by H-bonds, was located between macrocycle molecules. Lattice parameters for 1 : a=8.446, b=8.607, c=13.822 A; γ=70,02 deg, sp. gr. P21; for 2 : a=10.838, b=14.812, c=13,719 A, sp. gr. Cmcm/