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    Trithioarsenite

    Topic: Chemistry

     From Handwiki - Reading time: 1 min
    Subunit of the structure of proustite, a sulfosalt mineral. This picture shows the connectivity of the trithioarsenite trianion to Ag+ (arsenic is colored violet).

    Trithioarsenite, also called sulfarsenite, is the trianion AsS33−. It is a pyramidal anion, as is typical of other As(III)X3 compounds. It is generated by treatment of As2S3 with a sulfide:

    As2S3 + 3 S2− → 2 AsS33−

    Thioarsenites are components of many sulfosalt minerals. An example is relatively common mineral proustite, Ag3AsS3.[1][2][3]

    References

    1. ↑ Mindat
    2. ↑ Webmineral
    3. ↑ Trevelyan B. 1969: The electro-optic effect in proustite. Optical and Quantum Electronics, 1(1), pp. 1969; [1]




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