Cationic Magnesium Hydride [MgH]+ Stabilized by an NNNN-Type Macrocycle
Okuda, Jun; Lemmerz, Lara E.; Mukherjee, Debabrata; Spaniol, Thomas Paul; Laurent, Maron; Menard, Gabriel; Wong, Anthony; Chemical Communications  (2019) –; doi:10.1039/C9CC00490D

data_7122983
_publ_section_title
;
 Cationic Magnesium Hydride [MgH]+ Stabilized by an NNNN-Type Macrocycle
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC00490D
_journal_year                    2019
_chemical_formula_moiety         'C24 H66 Mg2 N6 Si4'
_chemical_formula_sum            'C24 H66 Mg2 N6 Si4'
_chemical_formula_weight         599.80
_chemical_properties_physical
Air-sensitive,Moisture-sensitive,Oxygen-sensitive
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2019-01-18 deposited with the CCDC.    2019-02-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 105.496(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.029(3)
_cell_length_b                   18.831(5)
_cell_length_c                   17.330(5)
_cell_measurement_reflns_used    5605
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.42
_cell_measurement_theta_min      2.39
_cell_volume                     3782.9(18)
_computing_cell_refinement       'Bruker SMART (2001)'
_computing_data_collection       'Bruker SMART (2001)'
_computing_data_reduction        'Bruker SAINT+ (1999)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SIR-92 (Altomare 1992)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.966
_diffrn_measurement_device_type  'Bruker APEX CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  'multilayer optics'
_diffrn_radiation_source         microsource
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0805
_diffrn_reflns_av_unetI/netI     0.0797
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.966
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            57115
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.966
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.598
_diffrn_reflns_theta_min         1.630
_exptl_absorpt_coefficient_mu    0.212
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6313
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs Bruker'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.053
_exptl_crystal_description       block
_exptl_crystal_F_000             1328
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: toluene'
_exptl_crystal_size_max          0.230
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.220
_refine_diff_density_max         0.722
_refine_diff_density_min         -0.395
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     349
_refine_ls_number_reflns         11236
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0717
_refine_ls_R_factor_gt           0.0474
_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^)+(0.0384P)^2^+1.5490P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1142
_refine_ls_wR_factor_ref         0.1248
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8332
_reflns_number_total             11236
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc00490d2.cif
_cod_data_source_block           1
_cod_database_code               7122983
_shelx_estimated_absorpt_t_min   0.953
_shelx_estimated_absorpt_t_max   0.955
_shelxl_version_number           2013-4
_shelx_res_checksum              71818