A chemical structure of a molecule is a spatial arrangement of its atoms and their chemical bonds. Wikipedia

The spatial arrangement of atoms and bonds in a molecule Wikipedia Disambiguation

Spatial arrangement of atoms in a molecule and the chemical bonds Wikidata

The arrangement of atoms in a molecule of a chemical compound. OmegaWiki

The arrangement of chemical bonds between atoms in a molecule (or in an ion or radical with multiple atoms), specifically which atoms are chemically bonded to what other atoms with what kind of chemical bond, together with any information on the geometric shape of the molecule needed to uniquely identify the type of molecule. Wiktionary