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chemical structure

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spatial arrangement of atoms in a molecule and the chemical bonds

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structure
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Chemical structures
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Category:Chemical structures
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Encyclopedic overview

Phosphorus pentoxide chemical structure in 2D A chemical structure of a molecule is a spatial arrangement of its atoms and their chemical bonds. Its determination includes a chemist's specifying the molecular geometry and, when feasible and necessary, the electronic structure of the target molecule or other solid. Molecular geometry refers to the spatial arrangement of atoms in a molecule and the chemical bonds that hold the atoms together and can be represented using structural formula and by molecular models; complete electronic structure descriptions include specifying the occupation of a molecule's molecular orbitals. Structure determination can be applied to a range of targets from very simple molecules (e.g., diatomic oxygen or nitrogen) to very complex ones (e.g., such as protein or DNA).

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Excerpted from Wikipedia’s “chemical structure” article, available under the CC BY-SA 4.0 licence.