Electron-rich pyridines with <i>para</i>-N-heterocyclic imine substituents: ligand properties and coordination to CO<sub>2</sub>, SO<sub>2</sub>, BCl<sub>3</sub> and Pd<sup>II</sup> complexes.
Franzen, Jonas H.; Wilm, Lukas F. B.; Rotering, Philipp; Wurst, Klaus; Seidl, Michael; Dielmann, Fabian; Dalton transactions (Cambridge, England : 2003) 53 (2024) 11876–11883; doi:10.1039/d4dt01399a

data_7716414
_publ_section_title
;
 Electron-rich pyridines with <i>para</i>-N-heterocyclic imine
 substituents: ligand properties and coordination to CO<sub>2</sub>,
 SO<sub>2</sub>, BCl<sub>3</sub> and Pd<sup>II</sup> complexes.
;
_journal_issue                   28
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11876
_journal_page_last               11883
_journal_paper_doi               10.1039/d4dt01399a
_journal_volume                  53
_journal_year                    2024
_chemical_formula_moiety         'C16 H26 N4'
_chemical_formula_sum            'C16 H26 N4'
_chemical_formula_weight         274.41
_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   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2024-05-08
_audit_creation_method
;
Olex2 1.5-alpha
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2024-05-08 deposited with the CCDC.	2024-06-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.4840(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.2718(2)
_cell_length_b                   13.4687(6)
_cell_length_c                   18.5555(8)
_cell_measurement_reflns_used    6555
_cell_measurement_temperature    173.00
_cell_measurement_theta_max      27.42
_cell_measurement_theta_min      2.20
_cell_volume                     1566.91(11)
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_collection       'Bruker Apex4 suite, 2021'
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5-alpha (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5-alpha (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      173.00
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0660
_diffrn_reflns_av_unetI/netI     0.0273
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            38299
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.502
_diffrn_reflns_theta_min         2.196
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.7137
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1002 before and 0.0631 after correction.
The Ratio of minimum to maximum transmission is 0.9572.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.163
_exptl_crystal_description       block
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.218
_refine_diff_density_min         -0.204
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     187
_refine_ls_number_reflns         3589
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0650
_refine_ls_R_factor_gt           0.0503
_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^)+(0.0460P)^2^+0.6389P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1110
_refine_ls_wR_factor_ref         0.1186
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2890
_reflns_number_total             3589
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4dt01399a2.cif
_cod_data_source_block           compound_2
_cod_depositor_comments
'Adding full bibliography for 7716413--7716422.cif.'
_cod_database_code               7716414
_shelx_shelxl_version_number     2018/3
_exptl_absorpt_special_details   'Blessing, 1995'
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C2(H2A,H2B)
2.b Aromatic/amide H refined with riding coordinates:
 C13(H13), C16(H16), C14(H14), C15(H15)
2.c Idealised Me refined as rotating group:
 C10(H10A,H10B,H10C), C6(H6A,H6B,H6C), C5(H5A,H5B,H5C), C9(H9A,H9B,H9C),
 C11(H11A,H11B,H11C), C7(H7A,H7B,H7C)
;
_shelx_res_checksum              22053
_olex2_submission_special_instructions 'No special instructions were received'