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Crystal structure and hydrogen bonding of copiapite
Published/Copyright:
July 28, 2010
Abstract
The structure of copiapite, MgFe4[(OH)2|(SO4)6] · 20H2O, is triclinic, space group P[unk], with a = 7.342 Å, b = 18.818 Å, c = 7.389 Å, α = 91.45°, β = 102.15°, and γ = 98.85°. Fe(O,OH,H2O)6 octahedra and sulfate tetrahedra are connected to form one-dimensional infinite complexes along [101]. Mg(H2O)6 octahedra and water molecules not bound to cations lie between the complexes. These structural groups are interconnected only by hydrogen bonds.
Published Online: 2010-07-28
Published in Print: 1972-06
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Articles in the same Issue
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- γ Na2BeF4, its crystal structure at 25° and 74°C and its anisotropic thermal expansion
- Crystal structure and hydrogen bonding of copiapite
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- The investigation of superstructures by means of partial Patterson functions
- Die Kristallstruktur von Strontiumnitrat-Tetrahydrat, Sr(NO3)2 · 4H2O
- Bemerkungen zur Geschichte der Raumgruppen-Symbole von Fedorow, Schoenflies und Hermann-Mauguin*
- Structure refinement of anthrone, C14H10O
