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pro vyhledávání: '"Ronald S. McEwen"'
Publikováno v:
Science (New York, N.Y.). 177(4052)
Calcium oxalate crystals occur in the marine green algae Penicillus, Rhipocephalus, and Udotea, known as producers of sedimentary aragonite needles. In contrast to the externally deposited aragonite crystals which are generally < 15 micrometers long,
Autor:
Ronald S. McEwen
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :68
Crystal structure analysis of two copper(II) complexes of a betaine have shown that Cu(Me3NCH2–CO2–)2(CIO4)2 contains a copper-copper bond, has bridging bidentate carboxy-groups, and both ionic and co-ordinated perchlorate, while Cu(Me3NCH2CO2–