A Novel 9-MC-3 and 15-MC-6 Onset Stacked Metallacrown Single-Molecule Magnet: Synthesis and Crystal Structure
Suna Wang; Lingqian Kong; Hua Yang; Zhoutong He; Zheng Jiang; Dacheng Li; Suyuan Zeng; Meiju Niu; You Song; Jianmin Dou; Inorganic Chemistry 50 (2011) 2705–2707; doi:10.1021/ic101622d

data_4324734
_publ_section_title
;
 A Novel 9-MC-3 and 15-MC-6 Onset Stacked Metallacrown Single-Molecule
 Magnet: Synthesis and Crystal Structure
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2705
_journal_page_last               2707
_journal_paper_doi               10.1021/ic101622d
_journal_volume                  50
_journal_year                    2011
_chemical_formula_moiety         'C59 H69 Mn9 N6 O28'
_chemical_formula_sum            'C59 H69 Mn9 N6 O28'
_chemical_formula_weight         1804.66
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           197
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  'I 2 2 3'
_symmetry_space_group_name_H-M   'I 2 3'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   26.050(2)
_cell_length_b                   26.050(2)
_cell_length_c                   26.050(2)
_cell_measurement_reflns_used    3814
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      17.32
_cell_measurement_theta_min      2.47
_cell_volume                     17678(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1005
_diffrn_reflns_av_sigmaI/netI    0.0532
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            33248
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.11
_exptl_absorpt_coefficient_mu    1.309
_exptl_absorpt_correction_T_max  0.62
_exptl_absorpt_correction_T_min  0.55
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.356
_exptl_crystal_description       block
_exptl_crystal_F_000             7312
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.665
_refine_diff_density_min         -0.296
_refine_diff_density_rms         0.077
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.02(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.097
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     311
_refine_ls_number_reflns         2803
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.097
_refine_ls_R_factor_all          0.0592
_refine_ls_R_factor_gt           0.0441
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0581P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1043
_refine_ls_wR_factor_ref         0.1080
_reflns_number_gt                2279
_reflns_number_total             2803
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic101622d_si_002.cif
_cod_data_source_block           2
_cod_original_cell_volume        17677(3)
_cod_original_sg_symbol_Hall     I223
_cod_database_code               4324734