Synthesis and structural characterization of different topological coordination polymers based on tunable Cu4Br4−mIm secondary building units and macrocyclic azacalixaromatics
Wang, Li-Xia; Zhao, Liang; Wang, De-Xian; Wang, Mei-Xiang; Journal of Solid State Chemistry 183 (2010) 3010–3016; doi:10.1016/j.jssc.2010.10.011

data_1563395
_publ_section_title
;
 Synthesis and structural characterization of different topological
 coordination polymers based on tunable Cu4Br4&#x2212;mIm secondary
 building units and macrocyclic azacalixaromatics
;
_journal_issue                   12
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              3010
_journal_page_last               3016
_journal_paper_doi               10.1016/j.jssc.2010.10.011
_journal_volume                  183
_journal_year                    2010
_chemical_formula_moiety         'C20 H20 Br4 Cu4 N12'
_chemical_formula_sum            'C20 H20 Br4 Cu4 N12'
_chemical_formula_weight         1002.28
_space_group_IT_number           82
_space_group_name_Hall           'I -4'
_space_group_name_H-M_alt        'I -4'
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_H-M   'I -4'
_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            2
_cell_length_a                   13.2978(19)
_cell_length_b                   13.2978(19)
_cell_length_c                   9.944(2)
_cell_measurement_reflns_used    657
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.17
_cell_volume                     1758.4(5)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics    'XP in Siemens SHELXTL (Sheldrick, 1994)'
_computing_publication_material  'SHELX97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Saturn724+ CCD'
_diffrn_measurement_method       '\w scans at fixed \c = 45\%'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0403
_diffrn_reflns_av_sigmaI/netI    0.0320
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            7174
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    6.960
_exptl_absorpt_correction_T_max  0.2859
_exptl_absorpt_correction_T_min  0.2648
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2008)'
_exptl_crystal_colour            'light green'
_exptl_crystal_density_diffrn    1.893
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tetrahedron
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.509
_refine_diff_density_min         -0.981
_refine_diff_density_rms         0.212
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.07(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.182
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     92
_refine_ls_number_reflns         2024
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.182
_refine_ls_R_factor_all          0.0353
_refine_ls_R_factor_gt           0.0341
_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^)+(0.0628P)^2^+1.8103P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1054
_refine_ls_wR_factor_ref         0.1062
_reflns_number_gt                1961
_reflns_number_total             2024
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            JSSC-2010-183-3010.cif
_cod_data_source_block           Complex1
_cod_original_sg_symbol_H-M      I-4
_cod_database_code               1563395