Magnetic Study of Some Organo-Metallic Compounds of Arsenic

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Abstract
The susceptibility of As has been evaluated from the molecular susceptibilities of organo‐metallic compounds of the type (i) R.AsH2, R3As, (ii) R—As:As—R, (iii) RAs:O(OH)2, R2As:O(OH), and R3As(OH)2, using Pascal's constants for atoms and linkages in the organic radicals R and those derived for :O and —OH groups in arsinic acids. The values obtained from (i) and (ii) are in agreement with Honda's value for arsenic element. These values, and that deduced from (iii), are much different from Slater's theoretical value for the As atom. In the (i) arsines, (ii) arseno‐compounds, and (iii) arsinic acids, a distinct linear relationship has been observed between the molecular susceptibility and the total number of electrons in the molecule. The linear relation has been used to evaluate the susceptibility of the As atom in these compounds, which is in agreement with Slater's theoretical value.
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