Heavier alkaline earth and heterobimetallic s-block "ate" complexes of a di(amido)siloxane ligand: solid-state structure and dynamic solution-phase behaviour.
Haynes, Matthew D.; O'Reilly, Andrea; Poole, Alice J. M.; Roper, Aisling F.; Thum, Stefan; Morris, Louis J.; Coles, Martyn P.; Fulton, J. Robin; Harder, Sjoerd; Turner, Zoë R; O'Hare, Dermot; Dalton transactions (Cambridge, England : 2003) 54 (2025) 4542–4555; doi:10.1039/d5dt00044k

data_7718015
_publ_section_title
;
 Heavier alkaline earth and heterobimetallic s-block "ate" complexes of a
 di(amido)siloxane ligand: solid-state structure and dynamic
 solution-phase behaviour.
;
_journal_issue                   11
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4542
_journal_page_last               4555
_journal_paper_doi               10.1039/d5dt00044k
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'C64 H108 Mg2 N4 O4 Si4'
_chemical_formula_sum            'C64 H108 Mg2 N4 O4 Si4'
_chemical_formula_weight         1158.52
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2024-12-18 deposited with the CCDC.	2025-02-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.0080(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   21.3834(3)
_cell_length_b                   13.9337(2)
_cell_length_c                   27.2300(3)
_cell_measurement_reflns_used    23510
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      72.303
_cell_measurement_theta_min      4.581
_cell_volume                     7935.65(18)
_computing_cell_refinement       'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_molecular_graphics    'Ortep for Windows (Farrugia, 2012)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2019/2 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXT-2018/2 (Sheldrick, 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      149.99(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.0856
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0578126
_diffrn_orient_matrix_UB_12      -0.0073508
_diffrn_orient_matrix_UB_13      -0.0443035
_diffrn_orient_matrix_UB_21      0.0423922
_diffrn_orient_matrix_UB_22      -0.0493122
_diffrn_orient_matrix_UB_23      -0.0318455
_diffrn_orient_matrix_UB_31      -0.0168692
_diffrn_orient_matrix_UB_32      -0.0986712
_diffrn_orient_matrix_UB_33      0.0192433
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0303
_diffrn_reflns_av_unetI/netI     0.0333
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            54387
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        67.680
_diffrn_reflns_theta_max         72.468
_diffrn_reflns_theta_min         3.580
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    1.151
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.666
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
        CrysAlisPro 1.171.40.53 (Rigaku Oxford Diffraction, 2019)
        Numerical absorption correction based on gaussian integration over
                        a multifaceted crystal model
        Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    0.970
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2528
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.119
_exptl_crystal_size_min          0.085
_refine_diff_density_max         0.971
_refine_diff_density_min         -0.326
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     746
_refine_ls_number_reflns         15587
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0402
_refine_ls_R_factor_gt           0.0337
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0540P)^2^+0.2951P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0884
_refine_ls_wR_factor_ref         0.0913
_reflns_Friedel_coverage         0.000
_reflns_number_gt                13191
_reflns_number_total             15587
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5dt00044k2.cif
_cod_data_source_block           X24-AOR9-100
_cod_depositor_comments
'Adding full bibliography for 7718002--7718016.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7718015
_shelx_shelxl_version_number     2018/3
_platon_squeeze_void_probe_radius 1.20
_shelx_res_checksum              17801
_shelx_hkl_checksum              18767