Structures and reactivity of doubly-bridged dicyclopentadienyl dinuclear iron complexes
Zhu, Bo-Lin; Hao, Xiao-Ting; Shi, Wei; Inorganica Chimica Acta 414 (2014) 21–26; doi:10.1016/j.ica.2014.01.027

data_1513893
_publ_section_title
;
 Structures and reactivity of doubly-bridged dicyclopentadienyl dinuclear
 iron complexes
;
_journal_name_full               'Inorganica Chimica Acta'
_journal_page_first              21
_journal_page_last               26
_journal_paper_doi               10.1016/j.ica.2014.01.027
_journal_volume                  414
_journal_year                    2014
_chemical_formula_sum            'C26 H26 Cl2 Fe2 O3 Si2'
_chemical_formula_weight         625.25
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 91.853(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.536(6)
_cell_length_b                   9.562(3)
_cell_length_c                   14.828(5)
_cell_measurement_reflns_used    2560
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.59
_cell_measurement_theta_min      2.53
_cell_volume                     2768.5(15)
_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      296(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0727
_diffrn_reflns_av_sigmaI/netI    0.0842
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            13370
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.37
_exptl_absorpt_coefficient_mu    1.354
_exptl_absorpt_correction_T_max  0.8765
_exptl_absorpt_correction_T_min  0.8125
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.500
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1280
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.615
_refine_diff_density_min         -0.687
_refine_diff_density_rms         0.111
_refine_ls_extinction_coef       0.0024(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     321
_refine_ls_number_reflns         4836
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.1348
_refine_ls_R_factor_gt           0.0753
_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^)+(0.1066P)^2^+6.6872P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1838
_refine_ls_wR_factor_ref         0.2271
_reflns_number_gt                2660
_reflns_number_total             4836
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            121127c.cif
_cod_data_source_block           121127c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 2281 2013-09-26 08:29:07Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        2768.4(16)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1513893