
3D Periodic array of atoms. 


Long range order and periodicity of atoms. 


An infinite regular repetition in space of identical structural untis 


Group of atoms, ions, or molecules associated with each lattice point. 


A regular periodic arrangement of points in space. 




A small repetitive volume that forms the complete lattice 


Dimensions of the unit cell 


Dimensions of the unit cell and the associated angles between the axes 


Lattice constants expressed in unit cell dimensions 


Parallelpiped defined by primitive axes 


Lattice sites with fully identical surroundings 


Number of nearest neighbors 


Material lacking longrange order, glassy 


A material that can exist in more than one crystalline form 


Another name for Polymorphism 


scheme by which crystals are classified according to unit cell geometry 


Set of three integers that designate crystallographic planes 


The fraction of space filled by atoms within a particular crystal structure 
