Coordination properties of two new Schiff-base phenoxy-carboxylates and comparative study of their antioxidant activities
Boussadia, Ahlem; Beghidja, Adel; Gali, Lynda; Beghidja, Chahrazed; Elhabiri, Mourad; Rabu, Pierre; Rogez, Guillaume; Inorganica Chimica Acta 508 (2020) 119656–; doi:10.1016/j.ica.2020.119656

data_1564633
_publ_section_title
;
 Coordination properties of two new Schiff-base phenoxy-carboxylates and
 comparative study of their antioxidant activities
;
_journal_name_full               'Inorganica Chimica Acta'
_journal_page_first              119656
_journal_paper_doi               10.1016/j.ica.2020.119656
_journal_volume                  508
_journal_year                    2020
_chemical_formula_moiety         'C12 H13 N O4'
_chemical_formula_sum            'C12 H13 N O4'
_chemical_formula_weight         235.23
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_cell_angle_alpha                90
_cell_angle_beta                 97.091(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.8639(3)
_cell_length_b                   16.5889(12)
_cell_length_c                   13.7485(8)
_cell_measurement_reflns_used    2782
_cell_measurement_temperature    296.15
_cell_measurement_theta_max      26.09
_cell_measurement_theta_min      2.87
_cell_volume                     1100.84(12)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0274
_diffrn_reflns_av_unetI/netI     0.0285
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            9819
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         28.375
_diffrn_reflns_theta_min         2.874
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.107
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6863
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2012/1 (Bruker,2012) was used for absorption correction. wR2(int) was 0.0526 before and 0.0385 after correction. The Ratio of minimum to maximum transmission is 0.9203. The \l/2 correction factor is 0.0015.'
_exptl_crystal_colour            'light orange'
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_description       block
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.242
_refine_diff_density_min         -0.203
_refine_diff_density_rms         0.039
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     158
_refine_ls_number_reflns         2753
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0685
_refine_ls_R_factor_gt           0.0445
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0549P)^2^+0.2893P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1097
_refine_ls_wR_factor_ref         0.1227
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                1970
_reflns_number_total             2753
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ICA-2020-508-119656.cif
_cod_data_source_block           L1
_cod_database_code               1564633
_shelx_estimated_absorpt_t_max   0.988
_shelx_estimated_absorpt_t_min   0.984
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 N1(H1A), C3(H3A), C4(H4), C7(H7), C10(H10)
2.b Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C), C12(H12A,H12B,H12C)
2.c Idealised tetrahedral OH refined as rotating group:
 O1(H1), O3(H3)
;