Zinc and magnesium complexes incorporated by bis(amine) benzotriazole phenoxide ligand: synthesis, characterization, photoluminescent properties and catalysis for ring-opening polymerization of lactide.
Sung, Chang-Yu; Li, Chen-Yu; Su, Jing-Kai; Chen, Ting-Yi; Lin, Chia-Her; Ko, Bao-Tsan; Dalton transactions (Cambridge, England : 2003) 41 (2012) 953–961; doi:10.1039/c1dt11461a

data_7017794
_publ_section_title
;
 Zinc and magnesium complexes incorporated by bis(amine) benzotriazole
 phenoxide ligand: synthesis, characterization, photoluminescent
 properties and catalysis for ring-opening polymerization of lactide.
;
_journal_issue                   3
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              953
_journal_page_last               961
_journal_paper_doi               10.1039/c1dt11461a
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C52 H76 Mg N10 O2'
_chemical_formula_sum            'C52 H76 Mg N10 O2'
_chemical_formula_weight         897.54
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 105.400(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.2246(16)
_cell_length_b                   8.3575(5)
_cell_length_c                   27.7372(16)
_cell_measurement_reflns_used    9719
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.4
_cell_measurement_theta_min      2.60
_cell_volume                     5190.5(6)
_computing_cell_refinement       'SAINT V7.68A (Bruker AXS, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT V7.68A (Bruker AXS, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.940
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0536
_diffrn_reflns_av_sigmaI/netI    0.0617
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            22322
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         28.60
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.992
_exptl_absorpt_correction_T_min  0.978
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS, 2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.149
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1944
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.427
_refine_diff_density_min         -0.322
_refine_diff_density_rms         0.077
_refine_ls_extinction_coef       0.00056(10)
_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   1.133
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     303
_refine_ls_number_reflns         6250
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.133
_refine_ls_R_factor_all          0.1399
_refine_ls_R_factor_gt           0.1005
_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^)+(0.0209P)^2^+37.3409P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2106
_refine_ls_wR_factor_ref         0.2269
_reflns_number_gt                4239
_reflns_number_total             6250
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt11461a.txt
_cod_data_source_block           4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7017794