Chemical Crystallography is a use of diffraction methods to the investigation of basic science. An incessant reason for existing is the recognizable proof of common items, or of the results of manufactured science tests; however point by point sub-atomic geometry, intermolecular collaborations and supreme designs can likewise be considered. Structures can be examined as an element of temperature, weight or the utilization of electromagnetic radiation, or attractive or electric field: such studies involves just little minority of the aggregate. The utilization of single precious stone X beam diffraction to decide the structure of a concoction compound has been generally delegated 'Substance Crystallography'. The strategies, the exactness in analyses combined with the modem PC contraptions and advances in innovation makes this branch of science an unequivocal supplier of precise and exact estimations of sub-atomic measurements. Structure assurance by powder diffraction, precious stone designing, charge thickness examination and studies on atoms in energized states are the late additional items.