Metal-induced gelation in dipyridyl ureas
Byrne, Peter; Lloyd, Gareth O.; Applegarth, Lucas; Anderson, Kirsty M.; Clarke, Nigel; Steed, Jonathan W.; New Journal of Chemistry 34 (2010) 2261–; doi:10.1039/c0nj00278j

data_7053606
_publ_section_title
;
 Metal-induced gelation in dipyridyl ureas
;
_journal_issue                   10
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              2261
_journal_paper_doi               10.1039/c0nj00278j
_journal_volume                  34
_journal_year                    2010
_chemical_formula_sum            'C74 H92 Ag2 N14 O16'
_chemical_formula_weight         1649.36
_chemical_name_common            'thf macrocycle'
_chemical_name_systematic
;
?
;
_space_group_IT_number           26
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2'
_symmetry_space_group_name_H-M   'P m c 21'
_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            4
_cell_length_a                   24.723(3)
_cell_length_b                   17.1669(19)
_cell_length_c                   17.388(2)
_cell_measurement_temperature    173(2)
_cell_volume                     7379.8(15)
_computing_cell_refinement       SAINT
_computing_data_collection       SAINT
_computing_data_reduction        SAINT
_computing_molecular_graphics    X-SEED
_computing_publication_material  X-SEED
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  SMART1000
_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  0.0619
_diffrn_reflns_av_sigmaI/netI    0.0643
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            40550
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.19
_exptl_absorpt_coefficient_mu    0.608
_exptl_absorpt_correction_T_max  0.9702
_exptl_absorpt_correction_T_min  0.8880
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.485
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             3424
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.229
_refine_diff_density_min         -0.598
_refine_diff_density_rms         0.127
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.44(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.955
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     972
_refine_ls_number_reflns         13276
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.955
_refine_ls_R_factor_all          0.0901
_refine_ls_R_factor_gt           0.0617
_refine_ls_shift/su_max          0.024
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1108P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1551
_refine_ls_wR_factor_ref         0.1711
_reflns_number_gt                9254
_reflns_number_total             13276
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0nj00278j.txt
_cod_data_source_block           Z:\mss\Current\Metallogel\PLATON.CIF
_cod_original_sg_symbol_H-M      Pmc21
_cod_database_code               7053606