A four-coordinate cobalt(II) single-ion magnet with coercivity and a very high energy barrier
Yvonne Rechkemmer; Frauke D. Breitgoff; Margarethe van der Meer; Mihail Atanasov; Michael Hakl; Milan Orlita; Petr Neugebauer; Frank Neese; Biprajit Sarkar; Joris van Slageren; Nature Communications 7 (2016) 10467–; doi:10.1038/ncomms10467

data_1548202
_publ_section_title
;
 A four-coordinate cobalt(II) single-ion magnet with coercivity and a very
 high energy barrier
;
_journal_name_full               'Nature Communications'
_journal_page_first              10467
_journal_paper_doi               10.1038/ncomms10467
_journal_volume                  7
_journal_year                    2016
_chemical_formula_sum            'C28 H52 Co N6 O8 S4'
_chemical_formula_weight         787.93
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.153(2)
_cell_length_b                   15.986(3)
_cell_length_c                   18.290(3)
_cell_measurement_reflns_used    7978
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.55
_cell_measurement_theta_min      1.69
_cell_volume                     3553.3(11)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Smart AXS'
_diffrn_measurement_method       '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  0.0176
_diffrn_reflns_av_sigmaI/netI    0.0178
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            47602
_diffrn_reflns_theta_full        27.55
_diffrn_reflns_theta_max         27.55
_diffrn_reflns_theta_min         1.69
_exptl_absorpt_coefficient_mu    0.773
_exptl_absorpt_correction_T_max  0.746
_exptl_absorpt_correction_T_min  0.578
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Blessing, 1995'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.473
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1668
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.55
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.304
_refine_diff_density_min         -0.268
_refine_diff_density_rms         0.045
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.005(6)
_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     433
_refine_ls_number_reflns         8175
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0201
_refine_ls_R_factor_gt           0.0193
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0314P)^2^+0.9308P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0527
_refine_ls_wR_factor_ref         0.0531
_reflns_number_gt                7978
_reflns_number_total             8175
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ncomms10467-s2.cif
_cod_data_source_block           sar242o
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1548202