Iridium−Germanium and −Tin Carbonyl Complexes
Adams, Richard D.; Trufan, Eszter; Organometallics 29 (2010) 4346–; doi:10.1021/om1006424

data_4066803
_publ_section_title
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 Iridium&#x2212;Germanium and &#x2212;Tin Carbonyl Complexes
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_journal_issue                   19
_journal_name_full               Organometallics
_journal_page_first              4346
_journal_paper_doi               10.1021/om1006424
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C52 H44 Ge4 Ir2 O4'
_chemical_formula_weight         1407.63
_chemical_name_systematic
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 ? 
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_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 102.470(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.3589(7)
_cell_length_b                   20.6075(14)
_cell_length_c                   12.0951(8)
_cell_measurement_reflns_used    5080
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      28.21
_cell_measurement_theta_min      2.24
_cell_volume                     2521.0(3)
_computing_cell_refinement       'SAINT+  V6.45 (Bruker, 2003)'
_computing_data_collection       'SMART V5.632 (Bruker, 2005)'
_computing_data_reduction        'SAINT+  V6.45'
_computing_molecular_graphics    'SHELXTL V6.1 (Sheldrick, 2000)'
_computing_publication_material  'SHELXTL V6.1'
_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_measurement_device_type  'Bruker SMART APEX CCD diffractometer'
_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  0.0441
_diffrn_reflns_av_sigmaI/netI    0.0265
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            34007
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.98
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    7.654
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.636
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS, Bruker, 1997)'
_exptl_crystal_colour            paleyellow
_exptl_crystal_density_diffrn    1.854
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1340
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.950
_refine_diff_density_min         -0.619
_refine_diff_density_rms         0.133
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.191
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     288
_refine_ls_number_reflns         5150
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.191
_refine_ls_R_factor_all          0.0546
_refine_ls_R_factor_gt           0.0448
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0419P)^2^+5.1864P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0995
_refine_ls_wR_factor_ref         0.1036
_reflns_number_gt                4415
_reflns_number_total             5150
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om1006424_si_001.cif
_cod_data_source_block           H2Ir2(CO)4(GePh2)2(GePh2H)2
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4066803