Synthesis and evaluation of a novel ionophore based on a thiacalix[4]arene derivative bearing imidazole units
Zhao, Jiang-Lin; Tomiyasu, Hirotsugu; Ni, Xin-Long; Zeng, Xi; Elsegood, Mark R. J.; Redshaw, Carl; Rahman, Shofiur; Georghiou, Paris E.; Yamato, Takehiko; New J. Chem. 38 (2014) 6041–; doi:10.1039/C4NJ01099J

data_7054446
_publ_section_title
;
 Synthesis and evaluation of a novel ionophore based on a
 thiacalix[4]arene derivative bearing imidazole units
;
_journal_issue                   12
_journal_name_full               'New J. Chem.'
_journal_page_first              6041
_journal_paper_doi               10.1039/C4NJ01099J
_journal_volume                  38
_journal_year                    2014
_chemical_formula_moiety         'C60 H72 N8 O4 S4'
_chemical_formula_sum            'C60 H72 N8 O4 S4'
_chemical_formula_weight         1097.49
_space_group_crystal_system      tetragonal
_space_group_IT_number           88
_space_group_name_Hall           '-I 4ad'
_space_group_name_H-M_alt        'I 41/a'
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.530(2)
_cell_length_b                   19.530(2)
_cell_length_c                   15.3376(16)
_cell_measurement_reflns_used    4297
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.99
_cell_measurement_theta_min      2.68
_cell_volume                     5850.1(10)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX 2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL and local programs'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX 2 CCD diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0776
_diffrn_reflns_av_unetI/netI     0.0441
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            25807
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.179
_diffrn_reflns_theta_min         1.688
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.215
_exptl_absorpt_correction_T_max  0.979
_exptl_absorpt_correction_T_min  0.950
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v2008/1, Sheldrick, G.M., (2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.246
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2336
_exptl_crystal_size_max          0.240
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.240
_refine_diff_density_min         -0.291
_refine_diff_density_rms         0.052
_refine_ls_extinction_coef       0.00017(4)
_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   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     177
_refine_ls_number_reflns         3254
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0789
_refine_ls_R_factor_gt           0.0401
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0094P)^2^+12.8596P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0748
_refine_ls_wR_factor_ref         0.0899
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2220
_reflns_number_total             3254
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c4nj01099j3.cif
_cod_data_source_block           1,3-alternate-4
_cod_depositor_comments
'Adding full bibliography for 7054446--7054447.cif.'
_cod_original_cell_volume        5849.8(13)
_cod_database_code               7054446
_shelx_estimated_absorpt_t_min   0.950
_shelx_estimated_absorpt_t_max   0.979
_shelxl_version_number           2014-3
_shelx_res_checksum              66564