Thiomethoxychalcone-Functionalized Ferrocene Ligands as Selective Chemodosimeters for Mercury(II): Single-Crystal X-ray Structural Signature of the [Hg8(μ8-S)(SCH3)12]2+ Cluster
B. Nisar Ahamed; M. Arunachalam; Pradyut Ghosh; Inorganic Chemistry 49 (2010) 4447–4457; doi:10.1021/ic902300c

data_4315556
_publ_section_title
;
 Thiomethoxychalcone-Functionalized Ferrocene Ligands as Selective
 Chemodosimeters for Mercury(II): Single-Crystal X-ray Structural
 Signature of the [Hg8(\m8-S)(SCH3)12]2+ Cluster
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4447
_journal_page_last               4457
_journal_paper_doi               10.1021/ic902300c
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C12 H36 Cl3 Hg8 O12 S13'
_chemical_formula_weight         2500.26
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            3
_cell_length_a                   11.1963(12)
_cell_length_b                   11.1963(12)
_cell_length_c                   30.160(6)
_cell_measurement_reflns_used    2711
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.45
_cell_measurement_theta_min      2.21
_cell_volume                     3274.2(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Mercury 2.2'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 3
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0613
_diffrn_reflns_av_sigmaI/netI    0.0345
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            10216
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    28.871
_exptl_absorpt_correction_T_max  0.0782
_exptl_absorpt_correction_T_min  0.0782
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Sadabs
_exptl_crystal_colour            Purple
_exptl_crystal_density_diffrn    3.804
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             3309
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.352
_refine_diff_density_min         -1.842
_refine_diff_density_rms         0.244
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     79
_refine_ls_number_reflns         1291
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0453
_refine_ls_R_factor_gt           0.0335
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0363P)^2^+110.9479P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0770
_refine_ls_wR_factor_ref         0.0820
_reflns_number_gt                1085
_reflns_number_total             1291
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic902300c_si_002_5.cif
_cod_data_source_block           Compound-1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-Scan'
changed to 'multi-scan' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               4315556