Dynamic covalent chemistry approach toward 18-membered P<sub>4</sub>N<sub>2</sub> macrocycles and their nickel(II) complexes.
Musina, Elvira I.; Wittmann, Tatiana I.; Musin, Lenar; Balueva, Anna S.; Shpagina, Alena S.; Litvinov, Igor A.; Lönnecke, Peter; Hey-Hawkins, Evamarie; Karasik, Andrey A.; Sinyashin, Oleg G.; The Journal of organic chemistry  (2020) –; doi:10.1021/acs.joc.0c01317

data_4038872
_publ_section_title
;
 Dynamic covalent chemistry approach toward 18-membered
 P<sub>4</sub>N<sub>2</sub> macrocycles and their nickel(II) complexes.
;
_journal_name_full               'The Journal of organic chemistry'
_journal_paper_doi               10.1021/acs.joc.0c01317
_journal_year                    2020
_chemical_formula_moiety         'C48 H58 N6 Ni P4, 2(B F4) [+ solvent]'
_chemical_formula_sum            'C48 H58 B2 F8 N6 Ni P4'
_chemical_formula_weight         1075.19
_chemical_melting_point          453
_chemical_name_systematic
;
[(1,10-Di(4?-methylbenzyl)-3,8,12,17-(RSSR)-tetra(pyridine-2?-yl)-1,10-diaza?3,8,12,17?
tetraphosphacyclooctadecane)nickel(II) tetrafluoroborate
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                88.718(2)
_cell_angle_beta                 84.969(2)
_cell_angle_gamma                71.022(2)
_cell_formula_units_Z            2
_cell_length_a                   10.9900(17)
_cell_length_b                   13.243(2)
_cell_length_c                   20.297(3)
_cell_measurement_reflns_used    5455
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      21.08
_cell_measurement_theta_min      2.20
_cell_volume                     2782.6(7)
_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-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_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  0.0277
_diffrn_reflns_av_unetI/netI     0.0296
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            45216
_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         28.000
_diffrn_reflns_theta_min         1.626
_exptl_absorpt_coefficient_mu    0.532
_exptl_absorpt_correction_T_max  0.7459
_exptl_absorpt_correction_T_min  0.5752
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.310
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1140
_exptl_crystal_size_max          0.261
_exptl_crystal_size_mid          0.163
_exptl_crystal_size_min          0.157
_refine_diff_density_max         0.729
_refine_diff_density_min         -0.483
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.984
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     625
_refine_ls_number_reflns         13400
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.984
_refine_ls_R_factor_all          0.0662
_refine_ls_R_factor_gt           0.0483
_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^)+(0.0877P)^2^+1.2250P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1371
_refine_ls_wR_factor_ref         0.1530
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10032
_reflns_number_total             13400
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo0c01317_si_002.cif
_cod_data_source_block           shelx
_cod_database_code               4038872
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.874
_shelx_estimated_absorpt_t_max   0.921
_shelx_res_checksum              23624
_shelx_hkl_checksum              36755
_shelx_fab_checksum              5213