Structural insight into halide-coordinated [Fe4S4XnY4−n]2− clusters (X, Y = Cl, Br, I) by XRD and Mössbauer spectroscopy
Schüren, Andreas O.; Ridgway, Benjamin M.; Di Salvo, Florencia; Carella, Luca M.; Gramm, Verena K.; Metzger, Elisa; Doctorovich, Fabio; Rentschler, Eva; Schünemann, Volker; Ruschewitz, Uwe; Klein, Axel; Dalton Transactions 52 (2023) 1277–1290; doi:10.1039/D2DT03203A

data_7712074
_publ_section_title
;
 Structural insight into halide-coordinated [Fe4S4XnY4&#x2212;n]2&#x2212;
 clusters (X, Y = Cl, Br, I) by XRD and M\"ossbauer spectroscopy
;
_journal_issue                   5
_journal_name_full               'Dalton Transactions'
_journal_page_first              1277
_journal_page_last               1290
_journal_paper_doi               10.1039/D2DT03203A
_journal_volume                  52
_journal_year                    2023
_chemical_compound_source
'slow diffusion of diethyl ether into MeCN solutions'
_chemical_formula_moiety         '2(Cl3 Fe3 S3), 3(C10 H16 N)'
_chemical_formula_sum            'C30 H48 Cl6 Fe6 N3 S6'
_chemical_formula_weight         1190.87
_chemical_properties_physical    Air-sensitive,Hygroscopic,Oxygen-sensitive
_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
_atom_sites_solution_primary     direct
_audit_creation_date             2021-01-13
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-01-13 deposited with the CCDC.	2022-12-14 downloaded from the CCDC.
;
_cell_angle_alpha                104.898(4)
_cell_angle_beta                 89.793(4)
_cell_angle_gamma                93.675(4)
_cell_formula_units_Z            2
_cell_length_a                   10.2381(5)
_cell_length_b                   12.3598(6)
_cell_length_c                   19.934(1)
_cell_measurement_reflns_used    19252
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      54.56
_cell_measurement_theta_min      3.41
_cell_volume                     2432.4(2)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  STOE-IPDS
_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  0.1106
_diffrn_reflns_av_unetI/netI     0.0729
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            33479
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.814
_diffrn_reflns_theta_min         1.709
_exptl_absorpt_coefficient_mu    2.354
_exptl_absorpt_correction_T_max  0.7654
_exptl_absorpt_correction_T_min  0.5248
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
Numeric absorption correction was performed 
using X-RED und X-SHAPE packages.
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.626
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1206
_exptl_crystal_preparation       'Magnetic properties'
_exptl_crystal_size_max          1.0
_exptl_crystal_size_mid          0.5
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.530
_refine_diff_density_min         -0.610
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     469
_refine_ls_number_reflns         10306
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_all          0.0589
_refine_ls_R_factor_gt           0.0387
_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^)+(0.0488P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0938
_refine_ls_wR_factor_ref         0.1066
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7377
_reflns_number_total             10306
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt03203a2.cif
_cod_data_source_block           aos0153c
_cod_original_cell_volume        2432.42(20)
_cod_database_code               7712074
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C7(H7A,H7B), C27(H27A,H27B), C17(H17A,H17B)
2.b Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C3(H3), C4(H4), C5(H5), C21(H21), C22(H22), C23(H23),
 C24(H24), C25(H25), C11(H11), C12(H12), C13(H13), C14(H14), C15(H15)
2.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C10(H10A,H10B,H10C), C28(H28A,H28B,H28C),
 C29(H29A,H29B,H29C), C30(H30A,H30B,H30C), C18(H18A,H18B,H18C), C19(H19A,H19B,
 H19C), C20(H20A,H20B,H20C)
;
_shelx_res_checksum              18832
_shelx_hkl_checksum              69882
_olex2_submission_special_instructions 'No special instructions were received'