Why is BeGeN$_2$ different? A computational bonding analysis
Joachim Breternitz
TL;DR
This paper investigates the unique crystal structure of BeGeN$_2$ using computational bonding analysis to understand its distinct cation ordering compared to other II-IV-N2 materials.
Contribution
It reveals the reason behind BeGeN$_2$'s different space group and cation ordering through detailed bonding analysis, expanding knowledge of this material class.
Findings
BeGeN$_2$ crystallizes in space group Pmc2$_1$
Bonding analysis explains the unique cation ordering
Differentiates BeGeN$_2$ from other II-IV-N2 materials
Abstract
Until recently, all known ordered II-IV-N2 materials crystallised in the -NaFeO-type in space group Pna2. BeGeN, however, crystallises in space group Pmc2, with a different cation ordering motif long anticipated for this materials class. Chemical bonding analysis is used to rationalise this particular behaviour.
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Taxonomy
TopicsSynthesis and characterization of novel inorganic/organometallic compounds · Inorganic Chemistry and Materials · Inorganic Fluorides and Related Compounds