Diarsenic tetraiodide

Diarsenic tetraiodide is an inorganic compound of arsenic and iodine. It is a dark red metastable solid. The compound is a closely related to the better characterized diphosphorus tetraiodide. Identified in the late 19th century with the (accurate) empirical formula AsI2,[1] the compound was assigned the formula (As2I4) several years later.[2]

Diarsenic tetraiodide
Names
IUPAC name
Arsenic diiodide
Identifiers
3D model (JSmol)
  • InChI=1S/As.2HI/h;2*1H/p-2
    Key: YWEMTIDRPOANDU-UHFFFAOYSA-L
  • I[As](I)[As](I)I
Properties
As2I4
Molar mass 657.461 g/mol
Appearance Red crystalline solid
Melting point 137 °C (279 °F; 410 K)
Boiling point 380 °C (716 °F; 653 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references


References
  1. Bamberger, Eugen; Philipp, Julius (1881). "Ueber Verbindungen von Arsen und Jod". Berichte der Deutschen Chemischen Gesellschaft. 14 (2): 2643–2648. doi:10.1002/cber.188101402228.
  2. Hewitt, John Theodore; Winmill, Thomas Field (1907). "LXXXIX.—Arsenic di-iodide". J. Chem. Soc., Trans. 91: 962–964. doi:10.1039/CT9079100962.

Further reading
  • Bastow, T.J.; Whitfield, H.J. (1980). "NQR in metal dihalides MX2". Journal of Magnetic Resonance. 37 (2): 269–274. Bibcode:1980JMagR..37..269B. doi:10.1016/0022-2364(80)90115-8.
  • Baudler, M.; Stassen, H. -J. (1966). "Beiträge zur Chemie des Arsens. I. Darstellung und Eigenschaften von Diarsen-tetrajodid". Zeitschrift für anorganische und allgemeine Chemie. 343 (5–6): 244. doi:10.1002/zaac.19663430504.
  • Baudler, M.; Stassen, H. -J. (1966). "Beiträge zur Chemie des Arsens. II. Zur Kenntnis des Reaktiven Verhaltens von Diarsen-tetrajodid". Zeitschrift für anorganische und allgemeine Chemie. 345 (3–4): 182. doi:10.1002/zaac.19663450308.


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