Synthesis and Mössbauer Characterization of Octahedral Iron(II) Carbonyl Complexes FeI2(CO)3L and FeI2(CO)2L2: Developing Models of the [Fe]-H2ase Active Site
Bin Li; Tianbiao Liu; Codrina V. Popescu; Andrey Bilko; Marcetta Y. Darensbourg; Inorganic Chemistry 48 (2009) 11283–11289; doi:10.1021/ic9017882

data_4303757
_publ_contact_author_address
; 
Texas A&M University, 
Department of CHemistry, 
College Station, TX, 77840, 
USA
;
_publ_contact_author_email       marcetta@mail.chem.tamu.edu
_publ_contact_author_name        'Marcetta Y. Darensbourg'
_publ_section_title
;
Synthesis and M\"ossbauer Characterization of Octahedral Iron(II) Carbonyl
Complexes FeI2(CO)3L and FeI2(CO)2L2: Developing Models of the [Fe]-H2ase
Active Site
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11283
_journal_page_last               11289
_journal_paper_doi               10.1021/ic9017882
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C8 H8 Fe I2 N2 O3'
_chemical_formula_weight         489.81
_chemical_name_systematic
; 
 ? 
;
_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                 92.599(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.5987(19)
_cell_length_b                   13.391(4)
_cell_length_c                   14.652(4)
_cell_measurement_reflns_used    4822
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      28.19
_cell_measurement_theta_min      2.78
_cell_volume                     1293.4(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_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  0.0444
_diffrn_reflns_av_sigmaI/netI    0.0407
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            12342
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         2.06
_exptl_absorpt_coefficient_mu    5.933
_exptl_absorpt_correction_T_max  0.5614
_exptl_absorpt_correction_T_min  0.4905
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; (Sheldrick, 2006)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    2.516
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.833
_refine_diff_density_min         -0.884
_refine_diff_density_rms         0.167
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     147
_refine_ls_number_reflns         3143
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0382
_refine_ls_R_factor_gt           0.0298
_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^)+(0.0247P)^2^+2.0491P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0625
_refine_ls_wR_factor_ref         0.0654
_reflns_number_gt                2703
_reflns_number_total             3143
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic9017882_si_001_3.cif
_cod_data_source_block           3-FeI2(CO)3IMe
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_cell_volume        1293.3(6)
_cod_database_code               4303757