Insight into the construction of metal‒organic polyhedra: metal‒organic cubes as a case study
Alkordi, Mohamed H.; Belof, Jonathan L.; Rivera, Edwin; Wojtas, Lukasz; Eddaoudi, Mohamed; Chemical Science 2 (2011) 1695–; doi:10.1039/c1sc00269d

data_1515637
_publ_section_title
;
 Insight into the construction of metal--organic polyhedra: metal--organic
 cubes as a case study
;
_journal_issue                   9
_journal_name_full               'Chemical Science'
_journal_page_first              1695
_journal_paper_doi               10.1039/c1sc00269d
_journal_volume                  2
_journal_year                    2011
_chemical_formula_sum            'C56 H88 N32 Ni4 O16'
_chemical_formula_weight         1700.42
_chemical_name_systematic
;
?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2010-04-11 # Formatted by publCIF
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.3775(12)
_cell_length_b                   17.4940(12)
_cell_length_c                   24.6892(17)
_cell_measurement_temperature    100(2)
_cell_volume                     7505.6(9)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2002)'
_computing_data_reduction        'SAINT (Bruker, 2002)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.835
_diffrn_measured_fraction_theta_max 0.835
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0865
_diffrn_reflns_av_sigmaI/netI    0.0915
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            23209
_diffrn_reflns_theta_full        54.09
_diffrn_reflns_theta_max         54.09
_diffrn_reflns_theta_min         3.58
_exptl_absorpt_coefficient_mu    1.840
_exptl_absorpt_correction_T_max  0.9136
_exptl_absorpt_correction_T_min  0.9136
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; (Sheldrick, 2003)'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.505
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3552
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.732
_refine_diff_density_min         -0.489
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     503
_refine_ls_number_reflns         3797
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.1346
_refine_ls_R_factor_gt           0.0702
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1250P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1688
_refine_ls_wR_factor_ref         0.2018
_reflns_number_gt                2186
_reflns_number_total             3797
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1sc00269d.txt
_cod_data_source_block           2
_cod_database_code               1515637