Inhibition studies of Helicobacter pylori urease with Schiff base copper(II) complexes
You, Zhonglu; Liu, Mingyang; Wang, Cunfang; Sheng, Gui-Hua; Zhao, Xinlu; Qu, Dan; Niu, Fang; RSC Adv.  (2016) –; doi:10.1039/C6RA00500D

data_7224144
_publ_section_title
;
 Inhibition studies of Helicobacter pylori urease with Schiff base
 copper(II) complexes
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA00500D
_journal_year                    2016
_chemical_formula_sum            'C40 H44 Cu2 N4 O4'
_chemical_formula_weight         771.87
_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
_audit_update_record
;
2015-08-15 deposited with the CCDC.
2016-02-04 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 107.360(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   24.219(3)
_cell_length_b                   10.2396(13)
_cell_length_c                   15.6794(19)
_cell_measurement_reflns_used    4666
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.4
_cell_volume                     3711.3(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0302
_diffrn_reflns_av_sigmaI/netI    0.0367
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            19090
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         0.88
_exptl_absorpt_coefficient_mu    1.192
_exptl_absorpt_correction_T_max  0.7391
_exptl_absorpt_correction_T_min  0.7163
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.381
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1608
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.308
_refine_diff_density_min         -0.341
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     454
_refine_ls_number_reflns         6919
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0655
_refine_ls_R_factor_gt           0.0355
_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^)+(0.0387P)^2^+1.1557P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0798
_refine_ls_wR_factor_ref         0.0933
_reflns_number_gt                4647
_reflns_number_total             6919
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra00500d2.cif
_cod_data_source_block           6
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7224144