[H3‒nFe4(CO)12(IrCOD)]n−(n= 1, 2) and [H2Fe3(CO)10(IrCOD)]−Bimetallic Fe‒Ir Hydride Carbonyl Clusters
Bortoluzzi, Marco; Ciabatti, Iacopo; Femoni, Cristina; Hayatifar, Mohammad; Iapalucci, Maria Carmela; Zacchini, Stefano; Organometallics 34 (2015) 189–; doi:10.1021/om5010513

data_4085126
_publ_section_title
;
 [H3--nFe4(CO)12(IrCOD)]n&#x2212;(n= 1, 2) and
 [H2Fe3(CO)10(IrCOD)]&#x2212;Bimetallic Fe--Ir Hydride Carbonyl Clusters
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_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              189
_journal_paper_doi               10.1021/om5010513
_journal_volume                  34
_journal_year                    2015
_chemical_formula_sum            'C28 H34 Fe4 Ir N O12'
_chemical_formula_weight         992.16
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.9672(9)
_cell_length_b                   15.9083(8)
_cell_length_c                   11.6754(6)
_cell_measurement_reflns_used    8822
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      25.223
_cell_measurement_theta_min      2.267
_cell_volume                     3337.2(3)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'SCHAKAL99 (Keller, 1999)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_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  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0491
_diffrn_reflns_av_unetI/netI     0.0422
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            33361
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.71
_exptl_absorpt_coefficient_mu    5.731
_exptl_absorpt_correction_T_max  0.5463
_exptl_absorpt_correction_T_min  0.4090
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
 Data were corrected for Lorentz polarization and absorption
 effects (empirical absorption corrections SADABS).
 R(int) = 0.1190 (selected reflections only, before parameter refinement)
 R(int) = 0.0603 (selected reflections only, after parameter refinement)
;
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.975
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1944
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.392
_refine_diff_density_min         -0.454
_refine_diff_density_rms         0.096
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.227(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     495
_refine_ls_number_reflns         6579
_refine_ls_number_restraints     208
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0430
_refine_ls_R_factor_gt           0.0291
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0192P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0491
_refine_ls_wR_factor_ref         0.0539
_reflns_number_gt                5501
_reflns_number_total             6579
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om5010513_si_001.cif
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/COD-crude-data--automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2935 2014-11-11 08:27:57Z andrius 

 Adding full bibliography for 4085125--4085127.cif.
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_cod_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               4085126