Synthesis and characterisation of magnesium complexes containing sterically demanding N,N'-bis(aryl)amidinate ligands.
Moxey, Graeme J.; Ortu, Fabrizio; Goldney Sidley, Leon; Strandberg, Helen N.; Blake, Alexander J.; Lewis, William; Kays, Deborah L.; Dalton transactions (Cambridge, England : 2003) 43 (2014) 4838–4846; doi:10.1039/c3dt53234h

data_7028686
_publ_section_title
;
 Synthesis and characterisation of magnesium complexes containing
 sterically demanding N,N'-bis(aryl)amidinate ligands.
;
_journal_issue                   12
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4838
_journal_page_last               4846
_journal_paper_doi               10.1039/c3dt53234h
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C54 H74 Mg N4 O, C6 D6'
_chemical_formula_sum            'C60 H74 D6 Mg N4 O'
_chemical_formula_weight         903.63
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 92.042(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.3061(11)
_cell_length_b                   21.499(2)
_cell_length_c                   20.0063(18)
_cell_measurement_reflns_used    5913
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      26.41
_cell_measurement_theta_min      2.13
_cell_volume                     5289.7(8)
_computing_cell_refinement       'Bruker SAINT version 6.36A (Bruker, 2002)'
_computing_data_collection       'Bruker SMART version 5.625 (Bruker, 2001)'
_computing_data_reduction        'Bruker SAINT; SHELXTL (Sheldrick, 2008)'
_computing_molecular_graphics    'Olex2 v1.1.5   OlexSys Ltd. 2004 \^A-- 2011'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      90(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area detector'
_diffrn_measurement_method       '\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  0.0671
_diffrn_reflns_av_sigmaI/netI    0.0629
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            49343
_diffrn_reflns_theta_full        27.27
_diffrn_reflns_theta_max         27.27
_diffrn_reflns_theta_min         2.04
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.746
_exptl_absorpt_correction_T_min  0.636
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2007/2'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.135
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1952
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.686
_refine_diff_density_min         -0.362
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     630
_refine_ls_number_reflns         11694
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.1063
_refine_ls_R_factor_gt           0.0649
_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^)+(0.0641P)^2^+1.9954P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1418
_refine_ls_wR_factor_ref         0.1622
_reflns_number_gt                7556
_reflns_number_total             11694
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c3dt53234h.txt
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        5289.8(8)
_cod_original_sg_symbol_H-M      'P21/n  '
_cod_database_code               7028686