Properties of Alkali Thio- and Selenoantimonides and Their Correlation with Chemical Bonding
Eight ternary compounds were synthesized and six of them were obtained for the first time. All these compounds had semiconducting properties. An approximate calculation of the bond ionicity Bi gave 25–28% for the thioantimonides and 20–23% for the selenoantimonides. This demonstrated that the dominant component of the bonding was covalent.
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