Zirconium-based metal-organic frameworks (MOFs) are topical nanoporous hybrid materials with tremendous potential for structural versatility and physico-chemical tuneability. The project will involve the application of TOSCA spectrometer in conjunction with a high-pressure cell (2.5 GPa) to study the lattice vibrations of Zr-based MOFs under hydrostatic compression. The major aims are: (i) to investigate the spectral evolution as a function of hydrostatic pressure and temperature, (ii) to study the anomalous phenomenon of negative linear compressibility (NLC), and (iii) to identify and explain the lattice dynamical changes in the low-energy Terahertz region. The results will reveal new science of MOFs associated with lattice dynamics under high pressure, which is a topic yet to be investigated to date.