Crystal being used to determine crystal structures. Problems started

Crystal
engineering is the design of new solid-state crystal structures having specific
physical and chemical properties, by means of manipulation of the intermolecular
interactions.1 These
intermolecular interactions can be used to predict the crystal packing and its
properties.2 This branch of
science, originated about 50 years ago and is considered to be standing at
crossroads between chemistry and crystallography. Chemistry includes the study
of the molecules and their properties, while crystallography is the study of crystal
arrangements and the bonding between molecules.1

W.H
Bragg, in 1921, was the first scientist to discuss the relationship between
molecules and crystals. Up until the 1980s, NMR was still being used to
determine crystal structures. Problems started when organometallic cluster
where developed and NMR could no longer be used. Also, synchrotrons with
improved features were being introduced, to facilitate crystal analysis for
time-resolved crystallography. It was at this point that chemists started to
understand the importance crystallography and how this can be used to obtain
data about the crystal structure and its parameters using the molecular
structure. This generated an interest in supramolecular chemistry and crystal
engineering started to evolve.3 Nowadays crystal
engineering is still expanding and some nomenclatural terms are still being
debated.1 Crystal
engineering is used in the study of polymorphism and cocrystals which are very
important for the pharmaceutical industry. It is also used in material sciences
and nanotechnology.Crystal
engineering is the design of new solid-state crystal structures having specific
physical and chemical properties, by means of manipulation of the intermolecular
interactions.1 These
intermolecular interactions can be used to predict the crystal packing and its
properties.2 This branch of
science, originated about 50 years ago and is considered to be standing at
crossroads between chemistry and crystallography. Chemistry includes the study
of the molecules and their properties, while crystallography is the study of crystal
arrangements and the bonding between molecules.1

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W.H
Bragg, in 1921, was the first scientist to discuss the relationship between
molecules and crystals. Up until the 1980s, NMR was still being used to
determine crystal structures. Problems started when organometallic cluster
where developed and NMR could no longer be used. Also, synchrotrons with
improved features were being introduced, to facilitate crystal analysis for
time-resolved crystallography. It was at this point that chemists started to
understand the importance crystallography and how this can be used to obtain
data about the crystal structure and its parameters using the molecular
structure. This generated an interest in supramolecular chemistry and crystal
engineering started to evolve.3 Nowadays crystal
engineering is still expanding and some nomenclatural terms are still being
debated.1 Crystal
engineering is used in the study of polymorphism and cocrystals which are very
important for the pharmaceutical industry. It is also used in material sciences
and nanotechnology.

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