Multistep Self-Assembly of Heteroleptic Magnesium and Sodium−Magnesium Benzamidinate Complexes
Forret, Robert; Kennedy, Alan R.; Klett, Jan; Mulvey, Robert E.; Robertson, Stuart D.; Organometallics 29 (2010) 1436–; doi:10.1021/om9010824

data_4067697
_publ_section_title
;
 Multistep Self-Assembly of Heteroleptic Magnesium and
 Sodium&#x2212;Magnesium Benzamidinate Complexes
;
_journal_issue                   6
_journal_name_full               Organometallics
_journal_page_first              1436
_journal_paper_doi               10.1021/om9010824
_journal_volume                  29
_journal_year                    2010
_chemical_formula_moiety         'C15 H27 Mg N Si2'
_chemical_formula_sum            'C15 H27 Mg N Si2'
_chemical_formula_weight         301.87
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     patterson
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                63.035(6)
_cell_angle_beta                 70.686(7)
_cell_angle_gamma                89.924(6)
_cell_formula_units_Z            2
_cell_length_a                   10.0894(8)
_cell_length_b                   10.2655(6)
_cell_length_c                   11.1908(7)
_cell_measurement_reflns_used    5571
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      29.5869
_cell_measurement_theta_min      2.7631
_cell_volume                     959.57(14)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
(compiled Jun 10 2008,16:49:55)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
(compiled Jun 10 2008,16:49:55)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
(compiled Jun 10 2008,16:49:55)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.905
_diffrn_measured_fraction_theta_max 0.782
_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  0.0177
_diffrn_reflns_av_sigmaI/netI    0.0307
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9464
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         29.74
_diffrn_reflns_theta_min         2.85
_exptl_absorpt_coefficient_mu    0.207
_exptl_absorpt_correction_T_max  0.959
_exptl_absorpt_correction_T_min  0.942
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
(compiled Jun 10 2008,16:49:55)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.045
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             328
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.337
_refine_diff_density_min         -0.406
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     178
_refine_ls_number_reflns         4281
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0473
_refine_ls_R_factor_gt           0.0335
_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^)+(0.0567P)^2^+0.0105P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0899
_refine_ls_wR_factor_ref         0.0935
_reflns_number_gt                3416
_reflns_number_total             4281
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om9010824_si_001.cif
_cod_data_source_block           5a
_cod_database_code               4067697