Zeolite structure synthesized using mixtures of organic structure directing agents

A method of synthesizing a small pore zeolite, the method comprising:

• preparing a mixture of water, an aluminum source, a silicon source, a source of a first organic structure-directing agent, and a source of a second organic structure-directing agent to form a synthesis gel;
• and
• subjecting the synthesis gel to a crystallization process to crystallize the small pore zeolite;
• wherein the first organic structure-directing agent comprises a bis-quaternary ammonium cation, a derivative of the bis-quaternary ammonium cation, or a combination thereof, and the second organic structure-directing agent comprises a mono-quaternary ammonium cation, a derivative of the mono-quaternary ammonium cation, or a combination thereof;
• and
• wherein the small pore zeolite has a crystalline framework structure type selected from the group consisting of AEI, AFT, AFX, AFV, AVL, CHA, EAB, ERI, ITW, KFI, LEV, LTA, MER, SAS, SAT, and SAV.