1959
DOI: 10.1107/s0365110x59002857
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On the crystal chemistry of normal valence compounds

Abstract: A new classification of the crystal structures of normal valence compounds with simple atomic ratios is discussed. This classification is based on two atomic parameters which gauge the directional properties of the bonds in a compound. The parameters are (1) the average principal quantum number, ~, of the valence shell of the component atoms and (2) the difference,/lx, between the electronegativities of anion and cation. It is shown that the most common structures of compounds of composition AiX 1 (i, j = 1, 2… Show more

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Cited by 274 publications
(117 citation statements)
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“…Many researchers have constructed empirical "rules" that "explain" the adoption of particular structures as a function of a few variables. These include the early works of Hume-Rothery [8], Mooser and Pearson [9], Miedema [10], and Brewer [11]. More recently, using an extensive database, Villars and collaborators also found that the adoption of a particular structure type could be "predicted" (with about 95% confidence, but of course, retrospectively).…”
Section: "Simple" Challenges: Composition and Structurementioning
confidence: 99%
“…Many researchers have constructed empirical "rules" that "explain" the adoption of particular structures as a function of a few variables. These include the early works of Hume-Rothery [8], Mooser and Pearson [9], Miedema [10], and Brewer [11]. More recently, using an extensive database, Villars and collaborators also found that the adoption of a particular structure type could be "predicted" (with about 95% confidence, but of course, retrospectively).…”
Section: "Simple" Challenges: Composition and Structurementioning
confidence: 99%
“…First, Mooser and Perason [22] applied a two-dimension graphic to study the stability of different compounds, the two factors they used were the difference of electronegativity between the cation and the anion and the average principle quantum number. They succeeded to discriminate the crystal structures of AB-type compounds, of AX 2 -type halides, and the metallic or non-metallic ternary fluorides ABX.…”
Section: Structural Map Methodsmentioning
confidence: 99%
“…These studies performed a classification into perovskite or non-perovskite in the traditional way by using a structure map. A structure map is defined as a two-dimensional plot of the values of two features of the known solids and with lines drawn using ad hoc principles (including by hand) that separate the data points into the different classes of crystal structures (Mooser and Pearson, 1959). The tolerance and octahedral factors are the two most widely used structure governing features in these plots (Li et al, 2004Zhang et al, 2007;Feng et al, 2008;Kumar et al, 2008).…”
Section: Introductionmentioning
confidence: 99%