Entanglement of individual coordination polymers having helicates as building intermediates.
Sun, Qiaozhen; Wei, Meilin; Bai, Yan; He, Cheng; Meng, Qingjin; Duan, Chunying; Dalton transactions (Cambridge, England : 2003)  (2007) 4089–4094; doi:10.1039/b706183h

data_7005871
_publ_section_title
;
 Entanglement of individual coordination polymers having helicates as
 building intermediates.
;
_journal_issue                   36
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4089
_journal_page_last               4094
_journal_paper_doi               10.1039/b706183h
_journal_year                    2007
_chemical_formula_sum            'C52 H44 Ag5.5 N21.5 O16.5'
_chemical_formula_weight         1827.37
_chemical_name_systematic
;
?
;
_space_group_IT_number           142
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4bd 2c'
_symmetry_space_group_name_H-M   'I 41/a c d :2'
_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            8
_cell_length_a                   24.2110(15)
_cell_length_b                   24.2110(15)
_cell_length_c                   23.327(2)
_cell_measurement_reflns_used    1448
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      17.84
_cell_measurement_theta_min      2.38
_cell_volume                     13673.6(17)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.1721
_diffrn_reflns_av_sigmaI/netI    0.1096
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            32779
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.38
_exptl_absorpt_coefficient_mu    1.624
_exptl_absorpt_correction_T_max  0.7274
_exptl_absorpt_correction_T_min  0.6039
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            pale-yellow
_exptl_crystal_density_diffrn    1.775
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             7176
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.887
_refine_diff_density_min         -0.529
_refine_diff_density_rms         0.134
_refine_ls_extinction_coef       0.000045(11)
_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   1.039
_refine_ls_hydrogen_treatment    'riding model'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         3007
_refine_ls_number_restraints     166
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.1692
_refine_ls_R_factor_gt           0.0721
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0600P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1609
_refine_ls_wR_factor_ref         0.1792
_reflns_number_gt                1159
_reflns_number_total             3007
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b706183h.txt
_cod_data_source_block           compound_2
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        13673.5(17)
_cod_original_sg_symbol_H-M      I4(1)/acd
_cod_original_formula_sum        'C52 H44 Ag5.50 N21.50 O16.50'
_cod_database_code               7005871