I. INTRODUCTION 1 II. EXPERIMENTAL METHODS & MATERIALS 3 III. RESULTS & DISCUSSION 5 3.1. HK structural features and hypothesis 5 3.1.1. Sample preparation and bonding strength 7 3.1.2. PXRD change and definition of calibrated retention ratio 9 3.1.3. Hydrolytic Stability and Confirmation of Metal-Linker Connectivity 11 3.2. Maintaining crystallinity of MOF due to connectivity of metal and organic ligands 13 3.2.1. Maintaining crystallinity of MOF due to connectivity of metal and organic ligands 15 3.2.2. Structure of HK and the reason for stability up to a coordination ratio of 0.3 16 IV. CONCLUSIONS 18 V. REFERENCES 19