A heteroleptic diradical Cr(iii) complex with extended spin delocalization and large intramolecular magnetic exchange.
Ma, Xiaozhou; Suturina, Elizaveta A.; Rouzières, Mathieu; Wilhelm, Fabrice; Rogalev, Andrei; Clérac, Rodolphe; Dechambenoit, Pierre; Chemical communications (Cambridge, England) 56 (2020) 4906–4909; doi:10.1039/d0cc00548g

data_7126259
_publ_section_title
;
 A heteroleptic diradical Cr(iii) complex with extended spin
 delocalization and large intramolecular magnetic exchange.
;
_journal_issue                   36
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              4906
_journal_page_last               4909
_journal_paper_doi               10.1039/d0cc00548g
_journal_volume                  56
_journal_year                    2020
_chemical_formula_moiety         'C18 H11 Cr F9 N3 O9 S3'
_chemical_formula_sum            'C18 H11 Cr F9 N3 O9 S3'
_chemical_formula_weight         732.48
_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
_audit_update_record
;
2019-09-19 deposited with the CCDC.	2020-03-24 downloaded from the CCDC.
;
_cell_angle_alpha                81.472(6)
_cell_angle_beta                 68.974(5)
_cell_angle_gamma                85.355(6)
_cell_formula_units_Z            4
_cell_length_a                   13.3872(15)
_cell_length_b                   13.4166(16)
_cell_length_c                   15.6840(18)
_cell_measurement_reflns_used    9411
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      25.91
_cell_measurement_theta_min      2.47
_cell_volume                     2599.2(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Bruker APEX-II Quasar'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1043
_diffrn_reflns_av_unetI/netI     0.0872
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.982
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            75346
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.982
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.515
_diffrn_reflns_theta_min         1.535
_diffrn_source                   'Incoatec microfocus sealed tube'
_exptl_absorpt_coefficient_mu    0.801
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6845
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.872
_exptl_crystal_density_meas      ?
_exptl_crystal_description       shunk
_exptl_crystal_F_000             1460
_exptl_crystal_preparation       'Magnetic properties'
_exptl_crystal_size_max          0.140
_exptl_crystal_size_mid          0.110
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.993
_refine_diff_density_min         -0.499
_refine_diff_density_rms         0.099
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     775
_refine_ls_number_reflns         10603
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0917
_refine_ls_R_factor_gt           0.0455
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0505P)^2^+0.7178P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1025
_refine_ls_wR_factor_ref         0.1188
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6805
_reflns_number_total             10603
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cc00548g2.cif
_cod_data_source_block           shelx
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7126259--7126262.cif.
;
_cod_database_code               7126259
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.896
_shelx_estimated_absorpt_t_max   0.976
_shelx_res_checksum              55397
_shelx_hkl_checksum              87063