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In the title compound, [Al(C16H14N2O2)(C3H7O)]·0.5CH2Cl2, the salen complex is monomeric and the dichlormethane solvent mol­ecule lies on a crystallographic twofold axis. The central Al atom is fivefold coordinated and possesses a square-based pyramidal environment. The Al—OAlk(iprop­yl) bond [1.7404 (14) Å] is much shorter than the Al—OAr(salen) bond lengths [1.7974 (15) and 1.8094 (14) Å]. The iso­propyl­oxo group forms an intra­molecular C—H...N hydrogen bond. In the crystal, the complex mol­ecules are linked by weak C—H...O inter­actions.

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In the title structure, [Ti2(C16H16N2O2)2O2]·2CHCl3, the Ti atom is coordinated in a distorted octa­hedral geometry by the O,N,N′,O′ donor set of the salalen ligand and by two μ2-oxide O atoms, which bridge two Ti(salalen) fragments into a centrosymmetric dimeric unit. In the central Ti22-O)2 fragment, the metal–oxygen distances are significantly different [1.7962 (19) and 1.9292 (19) Å]. In the crystal, the chloro­form mol­ecule is anchored via an N—H...Cl and a bifurcated C—H...(O,O) hydrogen bond. Slipped π–π stacking [shortest C...C distance = 3.585 (4) Å] and C—H...π inter­actions contribute to the coherence of the structure.
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