A manganese single-chain magnet exhibits a large magnetic coercivity.
Yang, Chen-I; Tsai, Yu-Jhe; Hung, Shao-Po; Tsai, Hui-Lien; Nakano, Motohiro; Chemical communications (Cambridge, England) 46 (2010) 5716–5718; doi:10.1039/c0cc00372g

data_7112904
_publ_section_title
;
 A manganese single-chain magnet exhibits a large magnetic coercivity.
;
_journal_issue                   31
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              5716
_journal_page_last               5718
_journal_paper_doi               10.1039/c0cc00372g
_journal_volume                  46
_journal_year                    2010
_chemical_formula_moiety         'C52 H58 Mn6 N12 O24'
_chemical_formula_sum            'C52 H58 Mn6 N12 O24'
_chemical_formula_weight         1564.74
_chemical_name_systematic
;
?
;
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_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 90.1650(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.0446(5)
_cell_length_b                   22.3020(12)
_cell_length_c                   13.3085(7)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     2981.3(3)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
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_diffrn_reflns_av_sigmaI/netI    0.0193
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       29
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_diffrn_reflns_limit_l_min       -17
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_diffrn_reflns_theta_max         28.36
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_exptl_absorpt_correction_T_max  0.8788
_exptl_absorpt_correction_T_min  0.6190
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.743
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1592
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.12
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_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
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_refine_ls_number_reflns         7440
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_refine_ls_R_factor_all          0.0362
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0419P)^2^+3.5996P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0837
_refine_ls_wR_factor_ref         0.0863
_reflns_number_gt                6670
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_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0cc00372g.txt
_cod_data_source_block           3059-01
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7112904