Mg-Mg bond polarization induced by a superbulky β-diketiminate ligand.
Rösch, Bastian; Gentner, Thomas Xaver; Eyselein, Jonathan; Friedrich, Alexander; Langer, Jens; Harder, Sjoerd; Chemical communications (Cambridge, England) 56 (2020) 11402–11405; doi:10.1039/d0cc05200k

data_7127088
_publ_section_title
;
 Mg-Mg bond polarization induced by a superbulky \b-diketiminate ligand.
;
_journal_issue                   77
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              11402
_journal_page_last               11405
_journal_paper_doi               10.1039/d0cc05200k
_journal_volume                  56
_journal_year                    2020
_chemical_formula_moiety         'C37 H57 I Mg N2'
_chemical_formula_sum            'C37 H57 I Mg N2'
_chemical_formula_weight         681.05
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2020-07-30
_audit_creation_method
;
Olex2 1.3
(compiled 2020.07.16 svn.r6f6c53a7 for OlexSys, GUI svn.r6139)
;
_audit_update_record
;
2020-07-30 deposited with the CCDC.	2020-08-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   16.7941(4)
_cell_length_b                   19.6395(4)
_cell_length_c                   21.8990(6)
_cell_measurement_reflns_used    13490
_cell_measurement_temperature    100.0(1)
_cell_measurement_theta_max      29.2200
_cell_measurement_theta_min      2.7600
_cell_volume                     7222.9(3)
_computing_cell_refinement       'CrysAlisPro 1.171.40.18b (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.40.18b (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.40.18b (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2016/6 (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100.0(1)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 5.2903
_diffrn_detector_type            AtlasS2
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.857
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -88.00  21.00   1.00   16.46    --  -11.70 -77.00 150.00  109
  2  \w      5.00  81.00   1.00   16.46    --   12.17  38.00  90.00   76
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, AtlasS2'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0188026000
_diffrn_orient_matrix_UB_12      0.0060720000
_diffrn_orient_matrix_UB_13      0.0284938000
_diffrn_orient_matrix_UB_21      0.0362626000
_diffrn_orient_matrix_UB_22      0.0071728000
_diffrn_orient_matrix_UB_23      -0.0152781000
_diffrn_orient_matrix_UB_31      -0.0106949000
_diffrn_orient_matrix_UB_32      0.0348872000
_diffrn_orient_matrix_UB_33      -0.0018571000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0309
_diffrn_reflns_av_unetI/netI     0.0305
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.857
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            34505
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.857
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         29.814
_diffrn_reflns_theta_min         2.425
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.930
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.540
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.18b (Rigaku Oxford Diffraction, 2018)
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            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.253
_exptl_crystal_description       plate
_exptl_crystal_F_000             2864
_exptl_crystal_size_max          0.371
_exptl_crystal_size_mid          0.248
_exptl_crystal_size_min          0.094
_refine_diff_density_max         1.192
_refine_diff_density_min         -1.063
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     380
_refine_ls_number_reflns         8886
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0437
_refine_ls_R_factor_gt           0.0316
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0241P)^2^+6.3811P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0658
_refine_ls_wR_factor_ref         0.0717
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7308
_reflns_number_total             8886
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cc05200k2.cif
_cod_data_source_block           hasj181101a
_cod_depositor_comments
'Adding full bibliography for 7127086--7127091.cif.'
_cod_database_code               7127088
_shelx_shelxl_version_number     2016/6
_chemical_oxdiff_formula         C37H57IMgN2
_reflns_odcompleteness_completeness 99.79
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C12(H12), C17(H17), C28(H28), C33(H33)
2.b Secondary CH2 refined with riding coordinates:
 C13(H13A,H13B), C15(H15A,H15B), C18(H18A,H18B), C20(H20A,H20B), C29(H29A,
 H29B), C31(H31A,H31B), C34(H34A,H34B), C36(H36A,H36B)
2.c Aromatic/amide H refined with riding coordinates:
 C3(H3), C8(H8), C9(H9), C10(H10), C24(H24), C25(H25), C26(H26)
2.d Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C5(H5A,H5B,H5C), C14(H14A,H14B,H14C), C16(H16A,H16B,H16C),
 C19(H19A,H19B,H19C), C21(H21A,H21B,H21C), C30(H30A,H30B,H30C), C32(H32A,H32B,
 H32C), C35(H35A,H35B,H35C), C37(H37A,H37B,H37C)
;
_shelx_res_checksum              16598
_olex2_date_sample_data_collection 2018-11-01
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.211
_oxdiff_exptl_absorpt_empirical_full_min 0.875