Calcium(I) chloride

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Calcium(I) chloride
IUPAC name
calcium(I) chloride
Other names
calcium monochloride
Molar mass 75.53 g/mol
Appearance gas
Related compounds
Other cations
calcium(II) chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Calcium(I) chloride (CaCl) is an unstable diatomic molecule whose bonding is strongly ionic in nature.[1] A solid with the composition CaCl was reported in 1953[2] however later efforts to reproduce this work failed.[3] Molecules of CaCl have been observed in the atmospheres of carbon stars.[4]


  1. ^ Brown, J. M.; Milton, D. J.; Steimle, T. C. (1981). "Studies of the optical spectra of CaCl and SrF at sub-Doppler resolution". Faraday Discussions of the Chemical Society. 71: 151. doi:10.1039/DC9817100151.
  2. ^ Ehrlich, P.; Gentsch, L. (1953). "Über das Calciummonochlorid". Die Naturwissenschaften. 40 (17): 460. Bibcode:1953NW.....40..460E. doi:10.1007/BF00628837.
  3. ^ Gerd Meyer, Dieter Naumann, Lars Wesemann 2007 Inorganic Chemistry in Focus III Wiley-VCH ISBN 3-527-60909-1
  4. ^ Jørgensen, Uffe G. (1997), "Cool Star Models", in van Dishoeck, Ewine F., Molecules in Astrophysics: Probes and Processes, International Astronomical Union Symposia. Molecules in Astrophysics: Probes and Processes, 178, Springer Science & Business Media, p. 446, ISBN 079234538X.