Binding of Inorganic Oxoanions to Macrocyclic Ligands: Effect of the Degree of Protonation on Supramolecular Assemblies Formed by Phosphate and [18]aneN6
Andrew C. Warden; Mark Warren; Milton T. W. Hearn; Leone Spiccia; Inorganic Chemistry 43 (2004) 6936–6943; doi:10.1021/ic049633v

data_4311953
_publ_contact_author             'Spiccia, Leone'
_publ_contact_author_email       leone.spiccia@sci.monash.edu.au
_publ_section_title
;
 Binding of Inorganic Oxoanions to Macrocyclic Ligands: Effect of the
 Degree of Protonation on Supramolecular Assemblies Formed by Phosphate
 and [18]aneN6
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6936
_journal_page_last               6943
_journal_paper_doi               10.1021/ic049633v
_journal_volume                  43
_journal_year                    2004
_chemical_formula_sum            'C12 H42 N6 O16 P4'
_chemical_formula_weight         650.4
_chemical_name_systematic
;
 1,4,10,13-tetraazonia-7,16-diazacyclooctadecane-tetra-dihydrogenphosphate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2003-12-14T00:34:18-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 97.5920(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.5026(2)
_cell_length_b                   13.4929(4)
_cell_length_c                   11.5923(3)
_cell_measurement_temperature    123(2)
_cell_volume                     1318.27(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.989
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0623
_diffrn_reflns_av_unetI/netI     0.0719
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9492
_diffrn_reflns_theta_full        27.5
_diffrn_reflns_theta_max         27.87
_diffrn_reflns_theta_min         3.85
_exptl_absorpt_coefficient_mu    0.37
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.639
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.02
_exptl_crystal_size_mid          0.01
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.309
_refine_diff_density_min         -0.404
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     256
_refine_ls_number_reflns         3101
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.074
_refine_ls_R_factor_gt           0.0411
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0402P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0806
_refine_ls_wR_factor_ref         0.0888
_reflns_number_gt                2190
_reflns_number_total             3101
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic049633vsi20040319_083424_3.cif
_cod_data_source_block           c70b1
_cod_database_code               4311953