Uranyl ion complexation by medium and large homooxacalixarenes: from mono- to poly-uranate complexes
Thuéry, Pierre; Nierlich, Martine; Vicens, Jacques; Masci, Bernardo; Journal of the Chemical Society, Dalton Transactions  (2001) 867–; doi:10.1039/b009364p

data_7010465
_publ_section_title
;
 Uranyl ion complexation by medium and large homooxacalixarenes: from
 mono- to poly-uranate complexes
;
_journal_issue                   6
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              867
_journal_paper_doi               10.1039/b009364p
_journal_year                    2001
_chemical_formula_sum            'C114 H185.5 N3.5 O29.5 U4'
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_symmetry_space_group_name_Hall  '-P 2ybc'
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_atom_sites_solution_hydrogens   geom
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_atom_sites_solution_secondary   difmap
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_cell_angle_alpha                90.00
_cell_angle_beta                 117.829(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   42.749(9)
_cell_length_b                   17.169(5)
_cell_length_c                   43.577(10)
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_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.5
_cell_volume                     28285(12)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Kappa-CCD software (Nonius B.V., 1997)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1999)'
_computing_publication_material  'SHELXTL (Sheldrick, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      110(2)
_diffrn_detector_area_resol_mean 18
_diffrn_measured_fraction_theta_full 0.777
_diffrn_measured_fraction_theta_max 0.777
_diffrn_measurement_device_type  'Nonius Kappa-CCD'
_diffrn_measurement_method       '\f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_R_equivalents  0.084
_diffrn_reflns_av_sigmaI/netI    0.103
_diffrn_reflns_limit_h_max       42
_diffrn_reflns_limit_h_min       -42
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_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            81335
_diffrn_reflns_theta_full        20.82
_diffrn_reflns_theta_max         20.82
_diffrn_reflns_theta_min         5.11
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    4.629
_exptl_absorpt_correction_T_max  0.429
_exptl_absorpt_correction_T_min  0.352
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'program MULABS from PLATON (Spek, 1997)'
_exptl_crystal_colour            'translucent dark orange'
_exptl_crystal_density_diffrn    1.423
_exptl_crystal_density_meas      ?
_exptl_crystal_description       platelet
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_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.119
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1328
_refine_ls_number_reflns         23002
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.2728
_refine_ls_R_factor_gt           0.1156
_refine_ls_shift/su_max          1.359
_refine_ls_shift/su_mean         0.025
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0223P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1494
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_reflns_threshold_expression     >2sigma(I)
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_cod_original_sg_symbol_H-M      P2(1)/c
_cod_original_formula_sum        'C114 H185.50 N3.50 O29.50 U4'
_cod_database_code               7010465