Novel bipyridinyl oxadiazole-based metal coordination complexes: High efficient and green synthesis of 3,4-dihydropyrimidin-2(1H)-ones through the Biginelli reactions
Wang, Jin-Hua; Zhang, E.; Tang, Gui-Mei; Wang, Yong-Tao; Cui, Yue-Zhi; Ng, Seik Weng; Journal of Solid State Chemistry 241 (2016) 86–98; doi:10.1016/j.jssc.2016.05.009

data_1561404
_publ_section_title
;
 Novel bipyridinyl oxadiazole-based metal coordination complexes: High
 efficient and green synthesis of 3,4-dihydropyrimidin-2(1H)-ones through
 the Biginelli reactions
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              86
_journal_page_last               98
_journal_paper_doi               10.1016/j.jssc.2016.05.009
_journal_volume                  241
_journal_year                    2016
_chemical_formula_sum            'C36 H38 Co N8 O14 S2'
_chemical_formula_weight         929.79
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/n 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                 98.129(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.796(5)
_cell_length_b                   7.740(5)
_cell_length_c                   25.054(5)
_cell_measurement_reflns_used    2611
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23.70
_cell_measurement_theta_min      2.39
_cell_volume                     2072.5(17)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  '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     0.71069
_diffrn_reflns_av_R_equivalents  0.0366
_diffrn_reflns_av_sigmaI/netI    0.0472
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            11278
_diffrn_reflns_theta_full        26.96
_diffrn_reflns_theta_max         26.96
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    0.591
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.490
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             962
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.362
_refine_diff_density_min         -0.501
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.983
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     277
_refine_ls_number_reflns         4404
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.983
_refine_ls_R_factor_all          0.0688
_refine_ls_R_factor_gt           0.0451
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1311
_refine_ls_wR_factor_ref         0.1556
_reflns_number_gt                3111
_reflns_number_total             4404
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            JSSC-2016-241-86.cif
_cod_data_source_block           compound_1
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               1561404