molecular shape

https://doi.org/10.1351/goldbook.MT06972
The molecular shape is an attribute of a molecule dealing with spatial extension, form, framework, or geometry. It is often described by, e.g., principal axes, ovality, or @C01274@ indices.
Source:
PAC, 1997, 69, 1137. (Glossary of terms used in computational drug design (IUPAC Recommendations 1997)) on page 1147 [Terms] [Paper]