The atomic structure of solid substances can often be analysed quickly, easily and very precisely using X-rays. However, this requires that crystals of the corresponding substances exist. Chemists are developing methods to make this possible even for very small crystals that cannot be seen with the naked eye. These include phosphorus oxide nitrides, which consist of phosphorus, nitrogen and oxygen and do not occur in nature. Unusual properties are attributed to this novel class of compounds, which have been difficult to access until now, because of their unusual structures.
from Latest Science News -- ScienceDaily https://ift.tt/S9wki3X
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