Potassium, zinc, and magnesium complexes of a bulky OOO-tridentate bis(phenolate) ligand: synthesis, structures, and studies of cyclic ester polymerisation.
Huang, Yong; Wang, Wei; Lin, Chu-Chieh; Blake, Matthew P.; Clark, Lawrence; Schwarz, Andrew D.; Mountford, Philip; Dalton transactions (Cambridge, England : 2003) 42 (2013) 9313–9324; doi:10.1039/c3dt50135c

data_7022841
_publ_section_title
;
 Potassium, zinc, and magnesium complexes of a bulky OOO-tridentate
 bis(phenolate) ligand: synthesis, structures, and studies of cyclic ester
 polymerisation.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9313
_journal_page_last               9324
_journal_paper_doi               10.1039/c3dt50135c
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C100 H104 K2 O6, 2(C7 H8)'
_chemical_formula_sum            'C114 H122 K2 O6'
_chemical_formula_weight         1666.32
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 100.77(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   14.889(3)
_cell_length_b                   11.600(2)
_cell_length_c                   27.630(6)
_cell_measurement_reflns_used    10946
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      5.097
_cell_volume                     4688.0(17)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0429
_diffrn_reflns_av_sigmaI/netI    0.0646
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            16533
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         5.14
_exptl_absorpt_coefficient_mu    0.157
_exptl_absorpt_correction_T_max  0.981
_exptl_absorpt_correction_T_min  0.972
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Sheldrick (1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.180
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1784
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.387
_refine_diff_density_min         -0.316
_refine_diff_density_rms         0.043
_refine_ls_extinction_coef       0.0062(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     555
_refine_ls_number_reflns         8617
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0875
_refine_ls_R_factor_gt           0.0465
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0650P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1122
_refine_ls_wR_factor_ref         0.1238
_reflns_number_gt                5596
_reflns_number_total             8617
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt50135c.txt
_cod_data_source_block           '[K(L-H)]'
_cod_original_cell_volume        4687.9(16)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7022841