Dioxygen Reactivity of Iron(II)-Gentisate/1,4-Dihydroxy-2-naphthoate Complexes of N4 Ligands: Oxidative Coupling of 1,4-Dihydroxy-2-naphthoate
Paine, Tapan Kanti; Rahaman, Rubina; Munshi, Sandip; Banerjee, Sridhar; Chakraborty, Biswarup; Bhunia, Sarmistha; Dalton Transactions  (2019) –; doi:10.1039/C9DT03493E

data_7701440
_publ_section_title
;
 Dioxygen Reactivity of Iron(II)-Gentisate/1,4-Dihydroxy-2-naphthoate
 Complexes of N4 Ligands: Oxidative Coupling of 1,4-Dihydroxy-2-naphthoate
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/C9DT03493E
_journal_year                    2019
_chemical_formula_sum            'C21 H10 O6'
_chemical_formula_weight         358.29
_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'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2018-05-21 deposited with the CCDC.    2019-10-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.381(12)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.7327(17)
_cell_length_b                   22.284(8)
_cell_length_c                   14.047(5)
_cell_measurement_reflns_used    4060
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.01
_cell_measurement_theta_min      2.35
_cell_volume                     1461.6(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.991
_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  0.1179
_diffrn_reflns_av_unetI/netI     0.0956
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            16482
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.302
_diffrn_reflns_theta_min         2.345
_exptl_absorpt_coefficient_mu    0.121
_exptl_absorpt_correction_T_max  0.988
_exptl_absorpt_correction_T_min  0.978
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.628
_exptl_crystal_description       needle
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.100
_refine_diff_density_max         1.713
_refine_diff_density_min         -0.566
_refine_diff_density_rms         0.124
_refine_ls_extinction_coef       0.027(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   1.487
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     247
_refine_ls_number_reflns         3615
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.487
_refine_ls_R_factor_all          0.1428
_refine_ls_R_factor_gt           0.0957
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.4496P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2661
_refine_ls_wR_factor_ref         0.2939
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2268
_reflns_number_total             3615
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt03493e2.cif
_cod_data_source_block           mo_TKP020218_0m_a
_cod_database_code               7701440
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.965
_shelx_estimated_absorpt_t_max   0.988
_shelx_res_checksum              31856