Information card for entry 7035278

Structure parameters

• Common name: CESe
• Formula: C22 H22 O6 Se
• Calculated formula: C22 H22 O6 Se
• Title of publication: Improved selectivity for Pb(ii) by sulfur, selenium and tellurium analogues of 1,8-anthraquinone-18-crown-5: synthesis, spectroscopy, X-ray crystallography and computational studies.
• Authors of publication: Mariappan, Kadarkaraisamy; Alaparthi, Madhubabu; Hoffman, Mariah; Rama, Myriam Alcantar; Balasubramanian, Vinothini; John, Danielle M.; Sykes, Andrew G.
• Journal of publication: Dalton transactions (Cambridge, England : 2003)
• Year of publication: 2015
• Journal volume: 44
• Journal issue: 26
• Pages of publication: 11774 - 11787
• a: 7.4979 ± 0.0008 Å
• b: 16.0574 ± 0.0017 Å
• c: 16.3759 ± 0.0017 Å
• α: 90°
• β: 100.573 ± 0.001°
• γ: 90°
• Cell volume: 1938.1 ± 0.4 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for all reflections: 0.0671
• Residual factor for significantly intense reflections: 0.0395
• Weighted residual factors for significantly intense reflections: 0.0886
• Weighted residual factors for all reflections included in the refinement: 0.1013
• Goodness-of-fit parameter for all reflections included in the refinement: 1.061
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: No