Information card for entry 1577029

Structure parameters

• Mineral name: delchiaroite
• Formula: C2 H6 Cu3 I S2
• Calculated formula: C2 H6 Cu3 I S2
• Title of publication: When mineralogy meets the organic chemistry: delchiaroite, Cu3I(CH3S)2, the first copper iodide-methanethiolate from the Carrara marble quarries, Apuan Alps, Tuscany, Italy
• Authors of publication: C. Biagioni J. Sejkora Y. Moelo A. Criscuolo Z. Dolnicek
• Journal of publication: European Journal of Mineralogy
• Year of publication: 2026
• Journal volume: 38
• Pages of publication: 157 - 163
• a: 16.924 ± 0.01 Å
• b: 4.099 ± 0.002 Å
• c: 5.572 ± 0.003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 386.5 ± 0.4 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• Space group number: 59
• Hermann-Mauguin space group symbol: P m m n :2
• Hall space group symbol: -P 2ab 2a
• Residual factor for all reflections: 0.112
• Residual factor for significantly intense reflections: 0.0962
• Weighted residual factors for significantly intense reflections: 0.2389
• Weighted residual factors for all reflections included in the refinement: 0.2557
• Goodness-of-fit parameter for all reflections included in the refinement: 1.156
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No