Reduced thione ligation is preferred over neutral phosphine ligation in diiron biomimics regarding electronic functionality: a spectroscopic and computational investigation.
Yen, Tao-Hung; He, Zong-Cheng; Lee, Gene-Hsiang; Tseng, Mei-Chun; Shen, Yu-Hsuan; Tseng, Tien-Wen; Liaw, Wen-Feng; Chiang, Ming-Hsi; Chemical communications (Cambridge, England) 53 (2016) 332–335; doi:10.1039/c6cc08042a

data_7119205
_publ_section_title
;
 Reduced thione ligation is preferred over neutral phosphine ligation in
 diiron biomimics regarding electronic functionality: a spectroscopic and
 computational investigation.
;
_journal_issue                   2
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              332
_journal_page_last               335
_journal_paper_doi               10.1039/c6cc08042a
_journal_volume                  53
_journal_year                    2016
_chemical_formula_sum            'C20 H17 Fe2 O4 P S4'
_chemical_formula_weight         592.24
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-09-21 deposited with the CCDC.
2016-11-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.6630(14)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.6554(4)
_cell_length_b                   16.4735(8)
_cell_length_c                   14.8482(8)
_cell_measurement_reflns_used    9968
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.47
_cell_volume                     2294.90(19)
_computing_cell_refinement       'Bruker SAINT'
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_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 VENTURE'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0252
_diffrn_reflns_av_unetI/netI     0.0266
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            15756
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.500
_diffrn_reflns_theta_min         2.293
_exptl_absorpt_coefficient_mu    1.724
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6266
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2016)'
_exptl_crystal_colour            dark-brown
_exptl_crystal_density_diffrn    1.714
_exptl_crystal_description       block
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.343
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_exptl_crystal_size_min          0.179
_refine_diff_density_max         0.426
_refine_diff_density_min         -0.359
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         5273
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0341
_refine_ls_R_factor_gt           0.0244
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0237P)^2^+1.2328P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0516
_refine_ls_wR_factor_ref         0.0551
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4493
_reflns_number_total             5273
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6cc08042a2.cif
_cod_data_source_block           ic18144
_cod_database_code               7119205
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.589
_shelx_estimated_absorpt_t_max   0.748
_shelx_res_checksum              26788
_shelx_hkl_checksum              67923