Metal-organic frameworks with exceptionally large pore aperatures

A MOF or IRMOF comprising the general structure M-L-M, wherein M comprises a metal and L is a linking moiety of Formula I:

• wherein,
• A1-A8 are independently either N or C;
• X1 and X2 are FG;
• R1-R12 are independently selected from the group comprising H, FG, (C1-C12)alkyl, substituted (C1-C12)alkyl, (C1-C12)alkenyl, substituted (C1-C12)alkenyl, (C1-C12)alkynyl, substituted (C1-C12)alkynyl, hetero-(C1-C12)alkyl, substituted hetero-(C1-C12)alkyl, hetero-(C1-C12)alkenyl, substituted hetero-(C1-C12)alkenyl, hetero-(C1-C12)alkynyl, substituted hetero-(C1-C12)alkynyl, (C1-C12)cycloalkyl, substituted (C1-C12)cycloalkyl, aryl, substituted aryl, heterocycle, substituted heterocycle, —C(R13)3, —CH(R13)2, —CH2R13, —C(R13)3, —CH(R14)2, —CH2R14, —OC(R13)3, —OCH(R13)2, —OCH2R14, —OC(R14)3, —OCH(R14)2, —CH2R14,
• wherein R1 and R2 are linked together to form a substituted or unsubstituted ring selected from the group comprising cycloalkyl, aryl and heterocycle, and wherein R3 and R4 are linked together to form a substituted or unsubstituted ring selected from the group comprising cycloalkyl, aryl and heterocycle;
• R13 is selected from the group comprising FG, (C1-C12)alkyl, (C1-C12) substituted alkyl, (C1-C12)alkenyl, substituted (C1-C12alkenyl, (C1-C12)alkynyl, substituted (C1-C12)alkynyl, hetero-(C1-C12)alkyl, substituted hetero-(C1-C12)alkyl, hetero-(C1-C12)alkenyl, substituted hetero-(C1-C12)alkenyl, hetero-(C1-C12)alkynyl, substituted hetero-(C1-C12)alkynyl, hemiacetal, hemiketal, acetal, ketal, and orthoester;
• R14 is one or more substituted or unsubstituted rings selected from the group comprising cycloalkyl, aryl, and heterocycle;
• y is a number from 0 to 3;
• z is a number from 0 to 20;
• and
• with the proviso that R is absent when bound to an A that is N.