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_7002617
_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         'C35 H54 N2'
_chemical_formula_sum            'C35 H54 N2'
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_chemical_name_common            'Chisholm 1503'
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
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_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
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_cell_angle_alpha                90
_cell_angle_beta                 90.194(1)
_cell_angle_gamma                90
_cell_formula_units_Z            12
_cell_length_a                   14.9388(1)
_cell_length_b                   13.0230(1)
_cell_length_c                   50.4676(5)
_cell_measurement_reflns_used    8649
_cell_measurement_temperature    230(2)
_cell_measurement_theta_max      25.028
_cell_measurement_theta_min      2.037
_cell_measurement_wavelength     0.71073
_cell_volume                     9818.31(14)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
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'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
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_diffrn_ambient_temperature      230(2)
_diffrn_detector                 'CCD plate'
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_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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      0.195462E-1
_diffrn_orient_matrix_UB_12      -0.697327E-1
_diffrn_orient_matrix_UB_13      0.59653E-2
_diffrn_orient_matrix_UB_21      0.423468E-1
_diffrn_orient_matrix_UB_22      -0.3987E-2
_diffrn_orient_matrix_UB_23      -0.15269E-1
_diffrn_orient_matrix_UB_31      0.480175E-1
_diffrn_orient_matrix_UB_32      0.319018E-1
_diffrn_orient_matrix_UB_33      0.11131E-1
_diffrn_radiation_monochromator  graphite
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_diffrn_radiation_type           MoK\a
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_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
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_diffrn_reflns_limit_l_min       -59
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_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         2.07
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    0.058
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.02
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'approximately cubic'
_exptl_crystal_F_000             3336
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.195
_refine_diff_density_min         -0.178
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
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_refine_ls_number_reflns         8612
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_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.1112
_refine_ls_R_factor_gt           0.054
_refine_ls_shift/su_max          0.011
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0772P)^2^+0.0229P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1281
_refine_ls_wR_factor_ref         0.1483
_reflns_number_gt                4963
_reflns_number_total             8612
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b910669c.txt
_cod_data_source_block           Chisholm1503
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7002617