pH-dependent self-assembly of divalent metals with a new ligand containing polycarboxylate: syntheses, crystal structures, luminescent and magnetic properties
Chen, Lei; Xu, Guang-Juan; Shao, Kui-Zhan; Zhao, Ya-Hui; Yang, Guang-Sheng; Lan, Ya-Qian; Wang, Xin-Long; Xu, Hong-Bin; Su, Zhong-Min; CrystEngComm 12 (2010) 2157–; doi:10.1039/b918647f

data_7212036
_publ_section_title
;
 pH-dependent self-assembly of divalent metals with a new ligand
 containing polycarboxylate: syntheses, crystal structures, luminescent
 and magnetic properties
;
_journal_issue                   7
_journal_name_full               CrystEngComm
_journal_page_first              2157
_journal_paper_doi               10.1039/b918647f
_journal_volume                  12
_journal_year                    2010
_chemical_formula_moiety         'C26 H20 Co N2 O8'
_chemical_formula_sum            'C26 H20 Co N2 O8'
_chemical_formula_weight         547.37
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 98.474(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.410(2)
_cell_length_b                   16.341(3)
_cell_length_c                   13.791(3)
_cell_measurement_reflns_used    'total reflection'
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.04
_cell_measurement_theta_min      1.33
_cell_volume                     2543.3(9)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SMART'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD area-detector'
_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     0.71069
_diffrn_reflns_av_R_equivalents  0.0584
_diffrn_reflns_av_sigmaI/netI    0.0723
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            12713
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.80
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.727
_exptl_absorpt_correction_T_max  0.8683
_exptl_absorpt_correction_T_min  0.8392
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.430
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1124
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.917
_refine_diff_density_min         -0.318
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     346
_refine_ls_number_reflns         4472
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0913
_refine_ls_R_factor_gt           0.0523
_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^)+(0.0703P)^2^+0.9536P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1223
_refine_ls_wR_factor_ref         0.1414
_reflns_number_gt                2980
_reflns_number_total             4472
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b918647f.txt
_cod_data_source_block           complex-3
_cod_original_sg_symbol_H-M      p21/c
_cod_database_code               7212036