Anionic guests in prismatic cavities generated by enneanuclear nickel metallacycles.
Esteban, Jordi; Font-Bardia, Mercè; Escuer, Albert; Inorganic chemistry 53 (2014) 1113–1121; doi:10.1021/ic402651k

data_4337194
_publ_section_title
;
 Anionic guests in prismatic cavities generated by enneanuclear nickel
 metallacycles.
;
_journal_issue                   2
_journal_name_full               'Inorganic chemistry'
_journal_page_first              1113
_journal_page_last               1121
_journal_paper_doi               10.1021/ic402651k
_journal_volume                  53
_journal_year                    2014
_chemical_formula_moiety         '2(C108 H156 N57 Ni9 O6), Cl4, 2(N3), (H2 O)'
_chemical_formula_sum            'C216 H314 Cl4 N120 Ni18 O13'
_chemical_formula_weight         5998.45
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           167
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3 2"c'
_symmetry_space_group_name_H-M   'R -3 c :H'
_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            3
_cell_length_a                   18.0085(9)
_cell_length_b                   18.0085(9)
_cell_length_c                   73.205(5)
_cell_measurement_reflns_used    1962
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      22.25
_cell_measurement_theta_min      2.26
_cell_volume                     20560(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP (Brueggermann and Smith, 1990)'
_computing_publication_material  'PLATON (Spek, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0557
_diffrn_reflns_av_sigmaI/netI    0.0430
_diffrn_reflns_limit_h_max       0
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       90
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            4756
_diffrn_reflns_theta_full        26.60
_diffrn_reflns_theta_max         26.60
_diffrn_reflns_theta_min         1.42
_exptl_absorpt_coefficient_mu    1.319
_exptl_absorpt_correction_T_max  0.9100
_exptl_absorpt_correction_T_min  0.6814
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.453
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             9378
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.625
_refine_diff_density_min         -0.266
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         4756
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0742
_refine_ls_R_factor_gt           0.0379
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0693P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1056
_refine_ls_wR_factor_ref         0.1265
_reflns_number_gt                3058
_reflns_number_total             4756
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic402651k_si_001.cif
_cod_data_source_block           af03fua2na
_cod_original_sg_symbol_H-M      R-3c
_cod_database_code               4337194