A family of tri- and dimetallic pyridine dicarboxamide cryptates: unusual o,n,o-coordination and facile access to secondary coordination sphere hydrogen bonding interactions.
Guillet, Gary L.; Gordon, Jesse B.; Di Francesco, Gianna N.; Calkins, Matthew W.; Čižmár, Erik; Abboud, Khalil A.; Meisel, Mark W.; García-Serres, Ricardo; Murray, Leslie J.; Inorganic chemistry 54 (2015) 2691–2704; doi:10.1021/ic502873d

data_4342505
_publ_section_title
;
 A family of tri- and dimetallic pyridine dicarboxamide cryptates: unusual
 o,n,o-coordination and facile access to secondary coordination sphere
 hydrogen bonding interactions.
;
_journal_issue                   6
_journal_name_full               'Inorganic chemistry'
_journal_page_first              2691
_journal_page_last               2704
_journal_paper_doi               10.1021/ic502873d
_journal_volume                  54
_journal_year                    2015
_chemical_formula_sum            'C124 H138 F12 Fe3 N14 O25 S4'
_chemical_formula_weight         2748.27
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           173
_symmetry_space_group_name_Hall  'P 6c'
_symmetry_space_group_name_H-M   'P 63'
_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                120.00
_cell_formula_units_Z            2
_cell_length_a                   14.0106(8)
_cell_length_b                   14.0106(8)
_cell_length_c                   40.347(2)
_cell_measurement_temperature    100(2)
_cell_volume                     6858.9(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0551
_diffrn_reflns_av_sigmaI/netI    0.0424
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       52
_diffrn_reflns_limit_l_min       -52
_diffrn_reflns_number            146968
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.51
_exptl_absorpt_coefficient_mu    0.461
_exptl_absorpt_correction_T_max  0.9840
_exptl_absorpt_correction_T_min  0.9033
_exptl_crystal_density_diffrn    1.331
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2860
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.564
_refine_diff_density_min         -0.793
_refine_diff_density_rms         0.081
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     556
_refine_ls_number_reflns         10557
_refine_ls_number_restraints     31
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0561
_refine_ls_R_factor_gt           0.0471
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0829P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1165
_refine_ls_wR_factor_ref         0.1202
_reflns_number_gt                9134
_reflns_number_total             10557
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic502873d_si_002.cif
_cod_data_source_block           gui23
_cod_depositor_comments
'Adding full bibliography for 4342504--4342510.cif.'
_cod_original_cell_volume        6858.9(7)
_cod_database_code               4342505