From MgBr via single-electron transfer (SET) to a paramagnetic Mg(II) compound and back to Mg(I): [MgBr(L^1^)^.^]2 and [K(thf)3]2[Mg2(L^1^)2], L^1^ == RN[double bond, length as m-dash]C(Me)C(Me)[double bond, length as m-dash]NR, R == 2,6-diisopropylphenyl
T. Kruczynski; P. Henke; T. Augenstein; N. Arleth; F. Breher; H. Schnockel; Chem.Commun. 50 (2014) 15677–; doi:10.1039/C4cc07680J

data_7116096
_publ_section_title
;
 From MgBr via single-electron transfer (SET) to a paramagnetic Mg(II)
 compound and back to Mg(I): [MgBr(L^1^)^.^]2 and [K(thf)3]2[Mg2(L^1^)2],
 L^1^ == RN[double bond, length as m-dash]C(Me)C(Me)[double bond, length
 as m-dash]NR, R == 2,6-diisopropylphenyl
;
_journal_name_full               Chem.Commun.
_journal_page_first              15677
_journal_paper_doi               10.1039/C4cc07680J
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         'C56 H80 Cl2 Mg2 N4'
_chemical_formula_sum            'C56 H80 Cl2 Mg2 N4'
_chemical_formula_weight         928.76
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           12
_space_group_name_Hall           '-C 2y'
_space_group_name_H-M_alt        'C 1 2/m 1'
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     heavy
_audit_creation_date             2014-09-19
_audit_creation_method
;
Olex2 1.2
(compiled 2014.08.28 svn.r2986 for OlexSys, GUI svn.r4874)
;
_cell_angle_alpha                90
_cell_angle_beta                 123.10(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   18.096(4)
_cell_length_b                   18.733(4)
_cell_length_c                   11.813(2)
_cell_measurement_reflns_used    19799
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.25
_cell_measurement_theta_min      1.56
_cell_volume                     3354.7(16)
_computing_cell_refinement       'STOE X-AREA, PLATON (A.L.Spek, 2005)'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED, PLATON (A.L.Spek, 2005)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'image plate (34 cm diameter)'
_diffrn_detector_area_resol_mean 6.67
_diffrn_detector_type            STOE
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_details
;
 200 frames, detector distance = 120 mm
;
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'STOE IPDS 2'
_diffrn_measurement_method       'rotation method'
_diffrn_radiation_collimation    '0.5 mm diameter, multiple pinhole'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0553
_diffrn_reflns_av_unetI/netI     0.0323
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            14206
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.703
_diffrn_reflns_theta_min         1.728
_diffrn_source
'sealed X-ray tube, 12 x 0.4 mm long-fine focus'
_diffrn_source_current           40
_diffrn_source_power             2.00
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    0.147
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'clear red'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    0.919
_exptl_crystal_description       block
_exptl_crystal_F_000             1004
_exptl_crystal_size_max          0.11
_exptl_crystal_size_mid          0.101
_exptl_crystal_size_min          0.086
_platon_squeeze_details
;
;
_refine_diff_density_max         0.255
_refine_diff_density_min         -0.260
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     153
_refine_ls_number_reflns         3630
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0491
_refine_ls_R_factor_gt           0.0458
_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^)+(0.0963P)^2^+0.8414P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1467
_refine_ls_wR_factor_ref         0.1491
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3230
_reflns_number_total             3630
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c4cc07680j2.cif
_cod_data_source_block           c2m
_cod_original_cell_volume        3354.7(15)
_cod_database_code               7116096
_shelxl_version_number           2013-2
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C7(H7), C10(H10)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C5(H5), C4(H4)
2.c Idealised Me refined as rotating group:
 C12(H12A,H12B,H12C), C11(H11A,H11B,H11C), C14(H14A,H14B,H14C), C9(H9A,H9B,
 H9C), C8(H8A,H8B,H8C)
;
_shelx_res_checksum              56660
_olex2_submission_special_instructions 'No special instructions were received'