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_7710473
_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 H42 Cl4 N4 Ni2 P2, 4(C H4 O)'
_chemical_formula_sum            'C50 H58 Cl4 N4 Ni2 O4 P2'
_chemical_formula_weight         1100.16
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_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                 90.7850(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.7663(3)
_cell_length_b                   16.4614(4)
_cell_length_c                   14.4611(3)
_cell_measurement_reflns_used    9965
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      67.43
_cell_measurement_theta_min      4.07
_cell_volume                     2562.68(11)
_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, 2015b)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015a)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'Bruker Kappa APEX-DUO CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0933
_diffrn_reflns_av_unetI/netI     0.0480
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.971
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            41158
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.971
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.710
_diffrn_reflns_theta_min         4.069
_diffrn_source                   'Bruker ImuS with multi-layer optics'
_exptl_absorpt_coefficient_mu    3.799
_exptl_absorpt_correction_T_max  0.7529
_exptl_absorpt_correction_T_min  0.6194
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Krause et al., 2015)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.426
_exptl_crystal_description       needle
_exptl_crystal_F_000             1144
_exptl_crystal_size_max          0.180
_exptl_crystal_size_mid          0.040
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.532
_refine_diff_density_min         -0.671
_refine_diff_density_rms         0.094
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     302
_refine_ls_number_reflns         4599
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0519
_refine_ls_R_factor_gt           0.0326
_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^+2.0621P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0853
_refine_ls_wR_factor_ref         0.0910
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3907
_reflns_number_total             4599
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt01556k2.cif
_cod_data_source_block           d1927_a
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7710473
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.548
_shelx_estimated_absorpt_t_max   0.863
_shelx_res_checksum              12050
_shelx_hkl_checksum              12540