Sterically controlled reductive oligomerisations of CO by activated magnesium(i) compounds: deltate vs. ethenediolate formation
Yuvaraj, K.; Douair, Iskander; Jones, Dafydd D. L.; Maron, Laurent; Jones, Cameron; Chemical Science 11 (2020) 3516–3522; doi:10.1039/D0SC00836B

data_1557544
_publ_section_title
;
 Sterically controlled reductive oligomerisations of CO by activated
 magnesium(i) compounds: deltate vs. ethenediolate formation
;
_journal_issue                   13
_journal_name_full               'Chemical Science'
_journal_page_first              3516
_journal_page_last               3522
_journal_paper_doi               10.1039/D0SC00836B
_journal_volume                  11
_journal_year                    2020
_chemical_formula_sum            'C71 H94 Mg2 N8'
_chemical_formula_weight         1108.16
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2020-02-12 deposited with the CCDC.	2020-03-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.4930(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.8246(2)
_cell_length_b                   21.5786(3)
_cell_length_c                   24.2161(3)
_cell_measurement_reflns_used    36489
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      30.8210
_cell_measurement_theta_min      3.4340
_cell_volume                     6516.52(16)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_molecular_graphics    xseed
_computing_publication_material  Ciftab
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0216
_diffrn_reflns_av_unetI/netI     0.0150
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            64489
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.250
_diffrn_reflns_theta_min         3.316
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.88268
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.130
_exptl_crystal_description       block
_exptl_crystal_F_000             2400
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.180
_refine_diff_density_max         0.994
_refine_diff_density_min         -0.409
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     905
_refine_ls_number_reflns         11777
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0565
_refine_ls_R_factor_gt           0.0518
_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^)+(0.0658P)^2^+4.4134P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1362
_refine_ls_wR_factor_ref         0.1398
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10629
_reflns_number_total             11777
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0sc00836b2.cif
_cod_data_source_block           Cj1403
_cod_depositor_comments
;Adding full bibliography for 1557543--1557552.cif.

 Adding full bibliography for 1557543--1557552.cif.
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1557544
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.982
_shelx_estimated_absorpt_t_max   0.985
_shelx_res_checksum              42851