Reactivity of Mg(AlMe<sub>4</sub>)<sub>2</sub> towards neutral tris(pyrazolyl)alkanes.
Kracht, Felix; Stuhl, Christoph; Maichle-Mössmer, Cäcilia; Anwander, Reiner; Dalton transactions (Cambridge, England : 2003) 53 (2024) 19280–19291; doi:10.1039/d4dt02722a

data_7717275
_publ_section_title
;
 Reactivity of Mg(AlMe<sub>4</sub>)<sub>2</sub> towards neutral
 tris(pyrazolyl)alkanes.
;
_journal_issue                   48
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              19280
_journal_page_last               19291
_journal_paper_doi               10.1039/d4dt02722a
_journal_volume                  53
_journal_year                    2024
_chemical_absolute_configuration unk
_chemical_formula_sum            'C37 H66 Al2 Mg N6'
_chemical_formula_weight         673.22
_chemical_properties_physical    Air-sensitive,Moisture-sensitive
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2024-09-24 deposited with the CCDC.	2024-10-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
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_cell_length_b                   17.3897(19)
_cell_length_c                   20.542(2)
_cell_measurement_reflns_used    124
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      17.02
_cell_measurement_theta_min      3.701
_cell_volume                     3966.1(7)
_computing_cell_refinement       'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_data_collection       'APEX3 v2017.3-0 (Bruker AXS)'
_computing_data_reduction        'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'XT, VERSION 2014/5,SHELXS-13 (Sheldrick 2008)'
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_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX II DUO'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1402
_diffrn_reflns_av_unetI/netI     0.0704
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            95948
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.166
_diffrn_reflns_theta_min         2.085
_diffrn_source                   'ImuS-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.122
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.6322
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.127
_exptl_crystal_description       needle
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          0.186
_exptl_crystal_size_mid          0.056
_exptl_crystal_size_min          0.053
_refine_diff_density_max         0.273
_refine_diff_density_min         -0.291
_refine_diff_density_rms         0.053
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.2(2)
_refine_ls_extinction_coef       0.0046(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     459
_refine_ls_number_reflns         8754
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0756
_refine_ls_R_factor_gt           0.0525
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0717P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1223
_refine_ls_wR_factor_ref         0.1350
_reflns_Friedel_coverage         0.801
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                6697
_reflns_number_total             8754
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4dt02722a2.cif
_cod_data_source_block           8_mo_FK21_0m_a
_cod_depositor_comments
'Adding full bibliography for 7717265--7717276.cif.'
_cod_database_code               7717275
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.978
_shelx_estimated_absorpt_t_max   0.994
_shelx_res_checksum              8747
_shelx_hkl_checksum              5418