Burns, Peter C. (1998) The crystal structure of szenicsite, Cu3MoO4(OH)4. Mineralogical Magazine, 62 (4) 461-469 doi:10.1180/002646198547837
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | The crystal structure of szenicsite, Cu3MoO4(OH)4 | ||
| Journal | Mineralogical Magazine | ISSN | 0026-461X |
| Authors | Burns, Peter C. | Author | |
| Year | 1998 (August) | Volume | 62 |
| Issue | 4 | ||
| Publisher | Mineralogical Society | ||
| Download URL | https://rruff.info/doclib/MinMag/Volume_62/62-4-461.pdf+ | ||
| DOI | doi:10.1180/002646198547837Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 295 | Long-form Identifier | mindat:1:5:295:0 |
| GUID | 0 | ||
| Full Reference | Burns, Peter C. (1998) The crystal structure of szenicsite, Cu3MoO4(OH)4. Mineralogical Magazine, 62 (4) 461-469 doi:10.1180/002646198547837 | ||
| Plain Text | Burns, Peter C. (1998) The crystal structure of szenicsite, Cu3MoO4(OH)4. Mineralogical Magazine, 62 (4) 461-469 doi:10.1180/002646198547837 | ||
| Abstract/Notes | Abstract The crystal structure of szenicsite, Cu3MoO4(OH)4, orthorhombic, a = 8.5201(8), b = 12.545(1), c = 6.0794(6) Å, V = 649.8(2) Å3, space group Pnnm, Z = 4, has been solved by direct methods and refined by least-squares techniques to an agreement index (R) of 3.34% and a goodness-of-fit (S) of 1.11 for 686 unique observed [|F| ⩾ 4σF] reflections collected using graphite-monochromated Mo-Kα X-radiation and a CCD area detector. The structure contains three unique Cu2+ positions that are each coordinated by six anions in distorted octahedral arrangements; the distortions of the octahedra are due to the Jahn-Teller effect associated with a d 9 metal in an octahedral ligand-field. The single unique Mo6+ position is tetrahedrally coordinated by four O2− anions. The Cu2+ϕ6 (ϕ: unspecified ligand) octahedra share trans edges to form rutile-like chains, three of which join by the sharing of octahedral edges to form triple chains that are parallel to [001]. The MoO4 tetrahedra are linked to either side of the triple chain of Cu2+ϕ6 octahedra by the sharing of two vertices per tetrahedron, and the resulting chains are cross-linked through tetrahedral-octahedral vertex sharing to form a framework structure. The structure of szenicsite is closely related to that of antlerite, Cu3SO4(OH)4, which contains similar triple chains of edge-sharing Cu2+ϕ6 octahedra. | ||
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