One-pot formation and characterization of macrocyclic aromatic tetrasulfonates.
Geng, Mingwei; Zhang, Dechun; Wu, Xiangxiang; He, Lan; Gong, Bing; Organic letters 11 (2009) 923–926; doi:10.1021/ol8028884

data_1503788
_publ_section_title
;
 One-pot formation and characterization of macrocyclic aromatic
 tetrasulfonates.
;
_journal_issue                   4
_journal_name_full               'Organic letters'
_journal_page_first              923
_journal_page_last               926
_journal_paper_doi               10.1021/ol8028884
_journal_volume                  11
_journal_year                    2009
_chemical_formula_sum            'C42 H52 O18 S4'
_chemical_formula_weight         973.08
_space_group_IT_number           113
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P -4 2ab'
_symmetry_space_group_name_H-M   'P -4 21 m'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   18.020(3)
_cell_length_b                   18.020(3)
_cell_length_c                   7.3542(15)
_cell_measurement_reflns_used    8289
_cell_measurement_temperature    143(2)
_cell_measurement_theta_max      25.03
_cell_measurement_theta_min      2.26
_cell_volume                     2388.1(7)
_computing_cell_refinement       Rapid-AUTO
_computing_data_collection       'Rapid-AUTO (Rigaku,2000)'
_computing_data_reduction        'CrystalStructure (Rigaku/MSC,2000)'
_computing_molecular_graphics    'Siemens SHELXTL V4.2,(Sheldrick,1990)'
_computing_publication_material  SHELXL-97,(Sheldrick,1997)
_computing_structure_refinement  SHELXL-97,(Sheldrick,1997)
_computing_structure_solution    SHELXS-97,(Sheldrick,1997)
_diffrn_ambient_temperature      143(2)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku RAXIS RAPID IP'
_diffrn_measurement_method       \W
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0582
_diffrn_reflns_av_sigmaI/netI    0.0424
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            8289
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.26
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.270
_exptl_absorpt_correction_T_max  0.910
_exptl_absorpt_correction_T_min  0.886
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
                                  HIGASHI, T. (1995). Abscor-Empirical
                                  Absorption Correction based on Fourier
                                  Series Approximation.
                                  Rigaku Corporation,Tokyo,Japan.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.353
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.271
_refine_diff_density_min         -0.262
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.03(14)
_refine_ls_extinction_coef       0.0082(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         1270
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0428
_refine_ls_R_factor_gt           0.0343
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0420P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0771
_refine_ls_wR_factor_ref         0.0792
_reflns_number_gt                1040
_reflns_number_total             1270
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol8028884_si_002.cif
_cod_data_source_block           4a
_cod_original_sg_symbol_H-M      P-42(1)m
_cod_database_code               1503788