Information card for entry 7106136

Structure parameters

• Common name: Tin-tungstosilicate
• Formula: K22 O188 Si4 Sn8 W36
• Calculated formula: K22 O188 Si4 Sn8 W36
• SMILES: [K+].O.[K+].O.[K+].[K+].O.[K+].O.[K+].[K+].O.[K+].O.[K+].O.[W]1234(O[W]567(O[W]89%10(O[W]%11%12(O5)(O[W]5%13(O1)(O[W]1%14(=O)(O%11)[O]%11[Si]([O]%15[W]%16%17(=[O][Sn]([O]=[W]%15(O6)(=O)(O2)O%17)[O]=[W]26%15(O[W]%17%18%19([O]%20%21[W]%22%23(O[W]%24%20(=O)(O[W]%20%25(=[O][Sn]([O]=[W]%11(O%16)(=O)(O8)O1)[O]=%14)(=O)O[W]1([O]%25[Si]%21([O]8[W]%11([O]%14[Sn]([O]=5)[O]4[Sn]%14[O]=[W]8(O%19)(=O)(O%11)O2)(O1)(O%22)=O)[O]6[W](O%20)(O%24)(O%15)(=O)=O)(=O)(O%23)=O)O%17)(O%18)=O)=O)=O)(=O)O%10)([O]3%13)[O]79%12)=O)=O)=O)=O)=O.[K+].O.[K+].O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O
• Title of publication: A Novel Sandwich-Type Polyoxometalate Compound: K11H[Sn4(SiW9O34)2]*25H2O with Visible Light Photocatalytic H2 Evolution Activity
• Authors of publication: Zhenyu Zhang; Qipu Lin; Shou-Tian Zheng; Xianhui Bu; Pingyun Feng
• Journal of publication: Chem.Commun.
• Year of publication: 2011
• Journal volume: 47
• Pages of publication: 3918
• a: 13.6358 ± 0.0016 Å
• b: 16.053 ± 0.0018 Å
• c: 20.741 ± 0.002 Å
• α: 100.093 ± 0.002°
• β: 90.703 ± 0.002°
• γ: 101.961 ± 0.002°
• Cell volume: 4367.2 ± 0.8 ų
• Cell temperature: 273 ± 2 K
• Ambient diffraction temperature: 273 ± 2 K
• Number of distinct elements: 5
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.0768
• Residual factor for significantly intense reflections: 0.0584
• Weighted residual factors for significantly intense reflections: 0.1504
• Weighted residual factors for all reflections included in the refinement: 0.1581
• Goodness-of-fit parameter for all reflections included in the refinement: 0.997
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No