Exposing elusive cationic magnesium-chloro aggregates in aluminate complexes through donor control.
Brouillet, Etienne V.; Kennedy, Alan R.; Koszinowski, Konrad; McLellan, Ross; Mulvey, Robert E.; Robertson, Stuart D.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 5590–5597; doi:10.1039/c6dt00531d

data_7038502
_publ_section_title
;
 Exposing elusive cationic magnesium-chloro aggregates in aluminate
 complexes through donor control.
;
_journal_issue                   13
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5590
_journal_page_last               5597
_journal_paper_doi               10.1039/c6dt00531d
_journal_volume                  45
_journal_year                    2016
_chemical_formula_sum            'C33 H74 Al Cl8 Mg3 N7 Si'
_chemical_formula_weight         980.59
_chemical_name_systematic
;
 ?
;
_chemical_properties_physical
'Air-sensitive, Moisture-sensitive, Oxygen-sensitive'
_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
_audit_update_record
;
2015-12-22 deposited with the CCDC.
2016-02-19 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 107.610(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.692(2)
_cell_length_b                   16.2309(12)
_cell_length_c                   16.9709(15)
_cell_measurement_reflns_used    6173
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      29.8284
_cell_measurement_theta_min      3.1085
_cell_volume                     5170.0(9)
_computing_cell_refinement       CrysalisPro
_computing_data_collection       CrysalisPro
_computing_data_reduction        CrysalisPro
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    SHELXS
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur E'
_diffrn_measurement_method       'omega 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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.2114
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            11759
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.03
_exptl_absorpt_coefficient_mu    0.543
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.92653
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.40 (release 27-08-2010 CrysAlis171 .NET)
(compiled Aug 27 2010,11:50:40)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.260
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2080
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.483
_refine_diff_density_min         -0.394
_refine_diff_density_rms         0.092
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.798
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     498
_refine_ls_number_reflns         11759
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.798
_refine_ls_R_factor_all          0.1082
_refine_ls_R_factor_gt           0.0508
_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^)+(0.0192P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0886
_refine_ls_wR_factor_ref         0.0992
_reflns_number_gt                6255
_reflns_number_total             11759
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c6dt00531d2.cif
_cod_data_source_block           evbrm063r
_cod_depositor_comments
'Adding full bibliography for 7038500--7038504.cif.'
_cod_original_cell_volume        5170.0(8)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7038502