Synthesis, crystal structures and properties of four topological structures based on 2,3,5,6-tetramethyl-1,4-benzenedicarboxylate acid and bipyridine ligands
He, Haiyan; Dou, Jianmin; Li, Dacheng; Ma, Huiqing; Sun, Daofeng; CrystEngComm 13 (2011) 1509–; doi:10.1039/c0ce00047g

data_7205110
_publ_section_title
;
 Synthesis, crystal structures and properties of four topological
 structures based on 2,3,5,6-tetramethyl-1,4-benzenedicarboxylate acid
 and bipyridine ligands
;
_journal_issue                   5
_journal_name_full               CrystEngComm
_journal_page_first              1509
_journal_paper_doi               10.1039/c0ce00047g
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C22 H28 Co N2 O8'
_chemical_formula_weight         507.39
_chemical_name_systematic
;
?
;
_space_group_IT_number           12
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 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                 113.459(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.578(4)
_cell_length_b                   11.488(4)
_cell_length_c                   9.342(3)
_cell_measurement_reflns_used    1212
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      24.2
_cell_measurement_theta_min      2.6
_cell_volume                     1139.9(7)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2007)'
_computing_data_reduction        'SAINT+ (Bruker, 2007)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2007)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'Bruker APEX II CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0277
_diffrn_reflns_av_sigmaI/netI    0.0349
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            3338
_diffrn_reflns_theta_full        27.4
_diffrn_reflns_theta_max         27.43
_diffrn_reflns_theta_min         2.61
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.804
_exptl_absorpt_correction_T_max  0.9385
_exptl_absorpt_correction_T_min  0.8822
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.478
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             530
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.332
_refine_diff_density_min         -0.220
_refine_diff_density_rms         0.056
_refine_ls_extinction_coef       0.0001(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     101
_refine_ls_number_reflns         1331
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0374
_refine_ls_R_factor_gt           0.0322
_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^)+(0.0317P)^2^+1.0090P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0748
_refine_ls_wR_factor_ref         0.0779
_reflns_number_gt                1214
_reflns_number_total             1331
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0CE00047G.TXT
_cod_data_source_block           2
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7205110