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_7717265
_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_formula_sum            'C29 H42 N6'
_chemical_formula_weight         474.68
_chemical_properties_physical    Air-sensitive,Moisture-sensitive
_space_group_crystal_system      trigonal
_space_group_IT_number           161
_space_group_name_Hall           'R 3 -2"c'
_space_group_name_H-M_alt        'R 3 c :H'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2019/3
_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                120
_cell_formula_units_Z            6
_cell_length_a                   13.0173(14)
_cell_length_b                   13.0173(14)
_cell_length_c                   27.493(5)
_cell_measurement_reflns_used    693
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.45
_cell_measurement_theta_min      2.302
_cell_volume                     4034.5(10)
_computing_cell_refinement       'SAINT V8.40B (Bruker Nano, Inc., 2019)'
_computing_data_collection       'APEX3 v2019.11-0'
_computing_data_reduction        'SAINT V8.40B (Bruker Nano, Inc., 2019)'
_computing_structure_refinement  'SHELXL-2019/2 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0289
_diffrn_reflns_av_unetI/netI     0.0251
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            10181
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.774
_diffrn_reflns_theta_min         2.336
_diffrn_source                   'ImuS-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'sadabs V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.172
_exptl_crystal_description       block
_exptl_crystal_F_000             1548
_exptl_crystal_size_max          0.360
_exptl_crystal_size_mid          0.348
_exptl_crystal_size_min          0.280
_exptl_transmission_factor_max   0.7458
_exptl_transmission_factor_min   0.6791
_refine_diff_density_max         0.535
_refine_diff_density_min         -0.301
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details
;
 Flack x determined using 738 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   2.4(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         2338
_refine_ls_number_restraints     556
_refine_ls_restrained_S_all      1.225
_refine_ls_R_factor_all          0.0989
_refine_ls_R_factor_gt           0.0832
_refine_ls_shift/su_max          0.054
_refine_ls_shift/su_mean         0.007
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1534P)^2^+3.9282P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2389
_refine_ls_wR_factor_ref         0.2587
_reflns_Friedel_coverage         0.991
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                1859
_reflns_number_total             2338
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4dt02722a2.cif
_cod_data_source_block           3c_mo_FK20_1_0m_a
_cod_depositor_comments
'Adding full bibliography for 7717265--7717276.cif.'
_cod_original_cell_volume        4034.5(11)
_cod_database_code               7717265
_shelx_shelxl_version_number     2019/3
_shelx_estimated_absorpt_t_min   0.975
_shelx_estimated_absorpt_t_max   0.980
_shelx_res_checksum              19470
_shelx_hkl_checksum              45908