| Reference Type | Journal (article/letter/editorial) |
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| Title | Rietveld refinement of a triclinic structure for synthetic Na-birnessite using synchrotron powder diffraction data |
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| Journal | Powder Diffraction |
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| Authors | Post, Jeffrey E. | Author |
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| Heaney, Peter J. | Author |
| Hanson, Jonathan | Author |
| Year | 2002 (September) | Volume | 17 |
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| Page(s) | 218-221 | Issue | 3 |
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| Publisher | Cambridge University Press (CUP) |
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| URL | |
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| DOI | doi:10.1154/1.1498279Search in ResearchGate |
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| Generate Citation Formats |
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| Classification | Not set | LoC | Not set |
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| Mindat Ref. ID | 13254150 | Long-form Identifier | mindat:1:5:13254150:5 |
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| GUID | 0 |
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| Full Reference | Post, Jeffrey E., Heaney, Peter J., Hanson, Jonathan (2002) Rietveld refinement of a triclinic structure for synthetic Na-birnessite using synchrotron powder diffraction data. Powder Diffraction, 17 (3). 218-221 doi:10.1154/1.1498279 |
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| Plain Text | Post, Jeffrey E., Heaney, Peter J., Hanson, Jonathan (2002) Rietveld refinement of a triclinic structure for synthetic Na-birnessite using synchrotron powder diffraction data. Powder Diffraction, 17 (3). 218-221 doi:10.1154/1.1498279 |
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| In | (2002, September) Powder Diffraction Vol. 17 (3) Cambridge University Press (CUP) |
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| Abstract/Notes | Rietveld refinement using synchrotron powder X-ray diffraction data revealed that the crystal structure of synthetic Na-birnessite is triclinic (C1), not monoclinic as was previously reported. The Mn–O octahedra have elongated axial bonds, consistent with Jahn–Teller distortion resulting from partial occupancy by Mn3+. Mean Mn–O distances indicate that Mn sites are ∼2/3 Mn4+ and ∼1/3 Mn3+. The interlayer Na cations and H2O molecules occupy a split site that shows evidence of considerable disorder. |
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