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_7122989
_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         'C32 H36 B, C17 H34 Mg N5, C6 H6'
_chemical_formula_sum            'C55 H76 B Mg N5'
_chemical_formula_weight         842.32
_chemical_properties_physical
Air-sensitive,Moisture-sensitive,Oxygen-sensitive
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2019-01-18 deposited with the CCDC.    2019-02-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.1374(13)
_cell_length_b                   11.8659(8)
_cell_length_c                   21.6820(15)
_cell_measurement_reflns_used    3756
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      18.68
_cell_measurement_theta_min      2.23
_cell_volume                     4923.6(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 2018)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SIR-92 (Altomare, 1994)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_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  0.0810
_diffrn_reflns_av_unetI/netI     0.0609
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            53696
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.417
_diffrn_reflns_theta_min         1.878
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6352
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.136
_exptl_crystal_description       block
_exptl_crystal_F_000             1832
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: thf and cyclohexane'
_exptl_crystal_size_max          0.380
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.130
_refine_diff_density_max         0.205
_refine_diff_density_min         -0.164
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details
;
 Flack x determined using 2886 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.18(18)
_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     595
_refine_ls_number_reflns         9052
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0674
_refine_ls_R_factor_gt           0.0488
_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^)+(0.0477P)^2^+1.4736P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1086
_refine_ls_wR_factor_ref         0.1184
_reflns_Friedel_coverage         0.944
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                7332
_reflns_number_total             9052
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc00490d2.cif
_cod_data_source_block           8a
_cod_database_code               7122989
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.971
_shelx_estimated_absorpt_t_max   0.990
_shelx_res_checksum              13577