Y-kalite tami molekilè gen yon fèmen-chaje estrikti egzagonal menm jan ak dyaman. If the beta cage is used as the structural unit to replace the carbon atom nodes of the diamond, and the two adjacent beta cages are connected with hexagonal columnar cages, that is, the five beta cages are connected together with four hexagonal columnar cages, of which one beta cage is located in the center and the remaining four beta cages are located at the vertex of the tetrahedron, an octahedral Se estrikti kristal zeolit ki te fòme. Pa kontinye ap konekte ak estrikti sa a, yo jwenn estrikti Y-tip molekilè. Nan estrikti sa a, gwo kalòj la ki te fòme pa kaj la β ak kaj la kolon egzagonal se yon kaj zeolit uit-sided, ak twou fenèt relye yo se douz bag binè, ki gen mwayèn gwosè pò efikas se 0.74nm, ki se gwosè a pò nan Y-tip molekilè Van. X Kalite molekilè Van ak Y tip estrikti molekilè Van se egzakteman menm bagay la tou, men Y tip molekilè Van rapò silica aliminyòm se wo, estabilite idrotèrmik se fò, kidonk li se pi lajman itilize.
