Chemistry of BDI*M(2+) complexes (M = Mg, Zn) and their role in lactide polymerization where BDI* is the anion derived from methylenebis(C-tBu, N-2,6-diisopropylphenyl)imine BDI*H
Ayala, Carla N.; Chisholm, Malcolm H.; Gallucci, Judith C.; Krempner, Clemens; Dalton Transactions  (2009) 9237–; doi:10.1039/b910669c

data_7002619
_publ_section_title
;
 Chemistry of BDI*M(2+) complexes (M = Mg, Zn) and their role in
 lactide polymerization where BDI* is the anion derived from
 methylenebis(C-tBu, N-2,6-diisopropylphenyl)imine BDI*H
;
_journal_issue                   42
_journal_name_full               'Dalton Transactions'
_journal_page_first              9237
_journal_paper_doi               10.1039/b910669c
_journal_year                    2009
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C37 H58 N2 Zn1'
_chemical_formula_sum            'C37 H58 N2 Zn'
_chemical_formula_weight         596.22
_chemical_name_common            (BDI)ZnEt
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yab'
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_cell_angle_alpha                90
_cell_angle_beta                 108.584(1)
_cell_angle_gamma                90
_cell_formula_units_Z            8
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_cell_length_b                   17.8475(2)
_cell_length_c                   24.4862(3)
_cell_measurement_reflns_used    12605
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.028
_cell_measurement_theta_min      2.037
_cell_measurement_wavelength     0.71073
_cell_volume                     6934.63(15)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
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_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_orient_matrix_type       'by Nonius Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      -0.78585E-2
_diffrn_orient_matrix_UB_12      0.37919E-2
_diffrn_orient_matrix_UB_13      0.624127E-1
_diffrn_orient_matrix_UB_21      0.300245E-1
_diffrn_orient_matrix_UB_22      0.472979E-1
_diffrn_orient_matrix_UB_23      0.9068E-3
_diffrn_orient_matrix_UB_31      -0.35815E-1
_diffrn_orient_matrix_UB_32      0.225822E-1
_diffrn_orient_matrix_UB_33      0.79834E-2
_diffrn_radiation_monochromator  graphite
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_diffrn_reflns_limit_h_min       -19
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_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
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_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    0.734
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_exptl_absorpt_correction_T_min  0.820
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'HKL Scalepack (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.142
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'rectangular chunk'
_exptl_crystal_F_000             2592
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.443
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_refine_ls_extinction_method     none
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_refine_ls_number_reflns         12236
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0719
_refine_ls_R_factor_gt           0.0444
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0636P)^2^+2.1487P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1057
_refine_ls_wR_factor_ref         0.1179
_reflns_number_gt                8945
_reflns_number_total             12236
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b910669c.txt
_cod_data_source_block           Chisholm1405
_cod_original_cell_volume        6934.63(14)
_cod_original_sg_symbol_H-M      P21/a
_cod_database_code               7002619