Synthesis and Structures of Iridium‒Gold Carbonyl Cluster Compounds Containing Methyl and σ-Aryl Ligands
Adams, Richard D.; Chen, Mingwei; Organometallics 31 (2012) 6457–; doi:10.1021/om300678c

data_4079322
_publ_section_title
;
 Synthesis and Structures of Iridium--Gold Carbonyl Cluster Compounds
 Containing Methyl and \s-Aryl Ligands
;
_journal_issue                   17
_journal_name_full               Organometallics
_journal_page_first              6457
_journal_paper_doi               10.1021/om300678c
_journal_volume                  31
_journal_year                    2012
_chemical_formula_sum            'C51 H24 Au Ir4 O11 P'
_chemical_formula_weight         1809.44
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 99.710(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   36.675(15)
_cell_length_b                   15.048(6)
_cell_length_c                   17.918(7)
_cell_measurement_reflns_used    5022
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      19.59
_cell_measurement_theta_min      2.25
_cell_volume                     9747(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.1191
_diffrn_reflns_av_sigmaI/netI    0.0763
_diffrn_reflns_limit_h_max       43
_diffrn_reflns_limit_h_min       -43
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            57289
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.13
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    13.975
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.639576
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.466
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             6560
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.591
_refine_diff_density_min         -0.942
_refine_diff_density_rms         0.196
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     571
_refine_ls_number_reflns         8613
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0924
_refine_ls_R_factor_gt           0.0581
_refine_ls_shift/su_max          0.148
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0293P)^2^+108.5768P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1043
_refine_ls_wR_factor_ref         0.1162
_reflns_number_gt                6171
_reflns_number_total             8613
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om300678c_si_002.cif
_cod_data_source_block           compound5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4079322