| Reference Type | Journal (article/letter/editorial) |
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| Title | The crystal structure of buttgenbachite |
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| Journal | Mineralogical Magazine |
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| Authors | Fanfani, L. | Author |
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| Nunzi, A. | Author |
| Zanazzi, P. F. | Author |
| Zanzari, A. R. | Author |
| Year | 1973 (September) | Volume | 39 |
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| Issue | 303 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_39/39-303-264.pdf+ |
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| DOI | doi:10.1180/minmag.1973.039.303.02Search in ResearchGate |
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| Generate Citation Formats |
| Mindat Ref. ID | 6686 | Long-form Identifier | mindat:1:5:6686:4 |
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| GUID | 0 |
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| Full Reference | Fanfani, L., Nunzi, A., Zanazzi, P. F., Zanzari, A. R. (1973) The crystal structure of buttgenbachite. Mineralogical Magazine, 39 (303) 264-270 doi:10.1180/minmag.1973.039.303.02 |
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| Plain Text | Fanfani, L., Nunzi, A., Zanazzi, P. F., Zanzari, A. R. (1973) The crystal structure of buttgenbachite. Mineralogical Magazine, 39 (303) 264-270 doi:10.1180/minmag.1973.039.303.02 |
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| In | (1973) Mineralogical Magazine Vol. 39 (303) Mineralogical Society |
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| Abstract/Notes | SummaryThe crystal structure of buttgenbachite from Likasi (Congo) was solved by a three- dimensional Patterson function, computed using intensity data collected photographically by the Weissenberg method, and refined by successive Fourier maps and least-squares refinement to an R index 0·055 for 328 independent observed reflections. The cell content resulting from the structural analysis is Cu36·6Cl6·7(NO3)2·6(OH)63·9.2·1 H2O. The space group is P63/mmc with a = 15·750 Å and c = 9·161Å. The buttgenbachite structure is not completely ordered. It consists of a rigid three-dimensional skeleton formed by Cu co-ordination polyhedra sharing edges and corners. The large channels in the framework show a zeolite-like nature; inside the channels the disorder is caused by the different orientations of nitrate groups and by the occurrence of the substitution . The crystal structure of buttgenbachite is closely related to that of connellite. The mechanism of forming an isomorphous series is discussed: the present study shows that the replacement is more complicated than was supposed in the literature. |
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