Versatile coordination behaviour of a multi-dentate Schiff base with manganese(II), copper(II) and zinc(II) ions and their corrosion inhibition study
Mishra, Monika; Tiwari, Karishma; Singh, Ashish Kumar; Singh, Vinod P.; Inorganica Chimica Acta 425 (2015) 36–45; doi:10.1016/j.ica.2014.10.026

data_1518323
_publ_section_title
;
 Versatile coordination behaviour of a multi-dentate Schiff base with
 manganese(II), copper(II) and zinc(II) ions and their corrosion
 inhibition study
;
_journal_name_full               'Inorganica Chimica Acta'
_journal_page_first              36
_journal_page_last               45
_journal_paper_doi               10.1016/j.ica.2014.10.026
_journal_volume                  425
_journal_year                    2015
_chemical_formula_moiety         'C19 H21 N3 O2'
_chemical_formula_sum            'C19 H21 N3 O2'
_chemical_formula_weight         323.39
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 119.44(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   26.243(11)
_cell_length_b                   10.560(3)
_cell_length_c                   13.890(4)
_cell_measurement_reflns_used    792
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.0618
_cell_measurement_theta_min      2.9290
_cell_volume                     3352(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.824
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0782
_diffrn_reflns_av_sigmaI/netI    0.1452
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            7293
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         29.03
_diffrn_reflns_theta_min         3.30
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1376
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.224
_refine_diff_density_min         -0.229
_refine_diff_density_rms         0.054
_refine_ls_extinction_coef       0.0030(3)
_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   0.910
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     225
_refine_ls_number_reflns         4475
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.910
_refine_ls_R_factor_all          0.1709
_refine_ls_R_factor_gt           0.0582
_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^)+(0.0359P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1023
_refine_ls_wR_factor_ref         0.1615
_reflns_number_gt                1344
_reflns_number_total             4475
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            CIF.cif
_cod_data_source_block           Hpddq
_cod_original_cell_volume        3352.1(19)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1518323