Isostructural
In this article, we will delve into the fascinating world of Isostructural, exploring its origins, impact and relevance today. From its emergence to its influence in various spheres of society, Isostructural has played a fundamental role in shaping our world. Throughout this detailed analysis, we will examine its most relevant aspects, as well as the controversies and debates it has raised over time. From its impact on popular culture to its influence on politics and the economy, Isostructural has positioned itself as a topic of unavoidable interest in contemporary discourse. Join us on this journey of discovery and reflection about Isostructural, to better understand its importance and significance in our society.
Isostructural chemical compounds have similar chemical structures. "Isomorphous" when used in the relation to crystal structures is not synonymous: in addition to the same atomic connectivity that characterises isostructural compounds, isomorphous substances crystallise in the same space group and have the same unit cell dimensions.[1] The IUCR definition[2] used by crystallographers is:
Two crystals are said to be isostructural, if they have the same structure, but not necessarily the same cell dimensions nor the same chemical composition, and with a 'comparable' variability in the atomic coordinates to that of the cell dimensions and chemical composition. For instance, calcite CaCO3, sodium nitrate NaNO3 and iron borate FeBO3 are isostructural. One also speaks of isostructural series, or of isostructural polymorphs or isostructural phase transitions. The term isotypic is synonymous with isostructural.
Examples include:
- I-Gold(I) bromide is isostructural with gold(I) chloride
- Borazine is isostructural with benzene
- Indium(I) bromide is isostructural with β-thallium(I) iodide and has a distorted rock salt structure.
Many minerals are isostructural when they differ only in the nature of a cation.
Compounds which are isoelectronic usually have similar chemical structures. For example, methane, CH4, and the ammonium ion, NH4+, are isoelectric and are isostructural as both have a tetrahedral structure. The C-H and N-H bond lengths are different and crystal structures are completely different because the ammonium ion only occurs in salts.
References
- ^ Wells, A.F (1962). Structural Inorganic Chemistry (3rd. ed.). Oxford: Clarendon Press. ISBN 0-19-855125-8.
{{cite book}}: ISBN / Date incompatibility (help) p 182 - ^ IUCR Online Dictionary of CRYSTALLOGRAPHY, "Isostructural crystals"
 | This condensed matter physics-related article is a stub. You can help Wikipedia by expanding it. |
 | This crystallography-related article is a stub. You can help Wikipedia by expanding it. |