Electronic Insights into Aminoquinoline-Based PNHN Ligands: Protonation State Dictates Geometry While Coordination Environment Dictates N-H Acidity and Bond Strength
Gradiski, Matthew Viktor; Rennie, Benjamin E.; Lough, Alan; Morris, Robert H.; Dalton Transactions  (2022) –; doi:10.1039/D2DT01556K

data_7710476
_publ_section_title
;
 Electronic Insights into Aminoquinoline-Based PNHN Ligands: Protonation
 State Dictates Geometry While Coordination Environment Dictates N-H
 Acidity and Bond Strength
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D2DT01556K
_journal_year                    2022
_chemical_formula_moiety         'C46 H40 Fe N4 P2'
_chemical_formula_sum            'C46 H40 Fe N4 P2'
_chemical_formula_weight         766.61
_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
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2021-12-19 deposited with the CCDC.	2022-06-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 112.720(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.3954(9)
_cell_length_b                   10.9104(4)
_cell_length_c                   19.8924(9)
_cell_measurement_reflns_used    6263
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.15
_cell_measurement_theta_min      2.17
_cell_volume                     3682.6(3)
_computing_cell_refinement       APEX3
_computing_data_collection       'APEX3 (Bruker, 2018)'
_computing_data_reduction        'SAINT (Bruker, 2014)'
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker Kappa APEX-DUO CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1145
_diffrn_reflns_av_unetI/netI     0.0949
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            47540
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.595
_diffrn_reflns_theta_min         2.076
_diffrn_source                   'sealed tube with Bruker Triumph monochromator'
_exptl_absorpt_coefficient_mu    0.537
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6471
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2014)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.383
_exptl_crystal_description       Shard
_exptl_crystal_F_000             1600
_exptl_crystal_size_max          0.160
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.060
_refine_diff_density_max         0.750
_refine_diff_density_min         -0.488
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.997
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     478
_refine_ls_number_reflns         8505
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.1088
_refine_ls_R_factor_gt           0.0468
_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^)+(0.0418P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0865
_refine_ls_wR_factor_ref         0.1025
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5092
_reflns_number_total             8505
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt01556k2.cif
_cod_data_source_block           d18191_a
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7710476
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.919
_shelx_estimated_absorpt_t_max   0.969
_shelx_res_checksum              88248
_shelx_hkl_checksum              59718