... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > boron group molecular entity > aluminium molecular entity > elemental aluminium > tetraatomic aluminium > tetrahedro-tetraaluminium

... > chemical entity > molecular entity > inorganic molecular entity > elemental aluminium > tetraatomic aluminium > tetrahedro-tetraaluminium

... > chemical entity > molecular entity > elemental molecular entity > elemental aluminium > tetraatomic aluminium > tetrahedro-tetraaluminium

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > boron group molecular entity > aluminium molecular entity > polyaluminium cluster > tetraatomic aluminium > tetrahedro-tetraaluminium

... > chemical entity > molecular entity > polyatomic entity > cluster > homonuclear cluster > polyaluminium cluster > tetraatomic aluminium > tetrahedro-tetraaluminium