What Controls the Sign and Magnitude of Magnetic Anisotropy in Tetrahedral Cobalt(II) Single-Ion Magnets?
Vaidya, Shefali; Tewary, Subrata; Singh, Saurabh Kumar; Langley, Stuart K.; Murray, Keith S.; Lan, Yanhua; Wernsdorfer, Wolfgang; Rajaraman, Gopalan; Shanmugam, Maheswaran; Inorganic chemistry 55 (2016) 9564–9578; doi:10.1021/acs.inorgchem.6b01073

data_4348209
_publ_section_title
;
 What Controls the Sign and Magnitude of Magnetic Anisotropy in
 Tetrahedral Cobalt(II) Single-Ion Magnets?
;
_journal_issue                   19
_journal_name_full               'Inorganic chemistry'
_journal_page_first              9564
_journal_page_last               9578
_journal_paper_doi               10.1021/acs.inorgchem.6b01073
_journal_volume                  55
_journal_year                    2016
_chemical_formula_sum            'C69.5 H78.5 Cl2 Co N8 O8.38 S4'
_chemical_formula_weight         1417.97
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                84.313(7)
_cell_angle_beta                 83.401(13)
_cell_angle_gamma                87.921(15)
_cell_formula_units_Z            4
_cell_length_a                   12.680(3)
_cell_length_b                   21.788(4)
_cell_length_c                   26.086(4)
_cell_measurement_reflns_used    79290
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      68.40
_cell_measurement_theta_min      6.52
_cell_volume                     7122(2)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.1 b28 (Rigaku, 2013)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.1 b28 (Rigaku, 2013)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.1 b28 (Rigaku, 2013)
;
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.964
_diffrn_measurement_device_type  'Rigaku Saturn724'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0835
_diffrn_reflns_av_unetI/netI     0.0623
_diffrn_reflns_Laue_measured_fraction_full 0.970
_diffrn_reflns_Laue_measured_fraction_max 0.964
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            79290
_diffrn_reflns_point_group_measured_fraction_full 0.970
_diffrn_reflns_point_group_measured_fraction_max 0.964
_diffrn_reflns_theta_full        67.687
_diffrn_reflns_theta_max         68.404
_diffrn_reflns_theta_min         6.519
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    4.156
_exptl_absorpt_correction_T_max  0.5561
_exptl_absorpt_correction_T_min  0.3590
_exptl_absorpt_correction_type   numerical
_exptl_crystal_colour            blue-green
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_description       block
_exptl_crystal_F_000             2974
_exptl_crystal_size_max          0.310
_exptl_crystal_size_mid          0.290
_exptl_crystal_size_min          0.160
_refine_diff_density_max         2.210
_refine_diff_density_min         -1.409
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1596
_refine_ls_number_reflns         25231
_refine_ls_number_restraints     56
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0865
_refine_ls_R_factor_gt           0.0730
_refine_ls_shift/su_max          0.061
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1036P)^2^+16.5963P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1931
_refine_ls_wR_factor_ref         0.2112
_reflns_Friedel_coverage         0.000
_reflns_number_gt                21226
_reflns_number_total             25231
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic6b01073_si_004.cif
_cod_data_source_block           SHELXL
_cod_original_formula_sum        'C69.50 H78.50 Cl2 Co N8 O8.38 S4'
_cod_database_code               4348209
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.359
_shelx_estimated_absorpt_t_max   0.556
_shelx_res_checksum              30979
_shelx_hkl_checksum              1123