Reactivity of Permethylated Magnesium Complexes toward β-Diimines
Michel, Olaf; Yamamoto, Koji; Tsurugi, Hayato; Maichle-Mössmer, Cäcilia; Törnroos, Karl W.; Mashima, Kazushi; Anwander, Reiner; Organometallics 30 (2011) 3818–; doi:10.1021/om200361m

data_4064835
_publ_section_title
;
 Reactivity of Permethylated Magnesium Complexes toward \b-Diimines
;
_journal_issue                   14
_journal_name_full               Organometallics
_journal_page_first              3818
_journal_paper_doi               10.1021/om200361m
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C24 H40 Al2 Mg N2'
_chemical_formula_weight         434.85
_chemical_name_systematic
; 
 ? 
;
_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                 99.651(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.8863(8)
_cell_length_b                   18.9418(11)
_cell_length_c                   15.8136(12)
_cell_measurement_reflns_used    26836
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.63
_cell_measurement_theta_min      3.38
_cell_volume                     2624.1(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Stoe IPDS II'
_diffrn_measurement_method       OMEGA
_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  0.0941
_diffrn_reflns_av_sigmaI/netI    0.0446
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            44460
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         5.13
_exptl_absorpt_coefficient_mu    0.147
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.101
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cube
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.307
_refine_diff_density_min         -0.201
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.208
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     398
_refine_ls_number_reflns         6463
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.208
_refine_ls_R_factor_all          0.0672
_refine_ls_R_factor_gt           0.0516
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0301P)^2^+1.0917P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0994
_refine_ls_wR_factor_ref         0.1046
_reflns_number_gt                5373
_reflns_number_total             6463
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om200361m_si_001.cif
_cod_data_source_block           kj48
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4064835