Main-chain organometallic polymers comprising redox-active iron(ii) centers connected by ditopic N-heterocyclic carbenes
Mercs, Laszlo; Neels, Antonia; Stoeckli-Evans, Helen; Albrecht, Martin; Dalton Transactions  (2009) 7168–; doi:10.1039/b907018d

data_7002123
_publ_section_title
;
 Main-chain organometallic polymers comprising redox-active iron(ii)
 centers connected by ditopic N-heterocyclic carbenes
;
_journal_issue                   35
_journal_name_full               'Dalton Transactions'
_journal_page_first              7168
_journal_paper_doi               10.1039/b907018d
_journal_year                    2009
_chemical_formula_sum            'C20 H26 B F4 Fe N3 O'
_chemical_formula_weight         467.10
_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                 105.542(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.7156(9)
_cell_length_b                   14.0710(7)
_cell_length_c                   13.7433(10)
_cell_measurement_reflns_used    15967
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      29.39
_cell_measurement_theta_min      2.03
_cell_volume                     2182.7(3)
_computing_cell_refinement       'X-Area V1.35'
_computing_data_collection       'X-Area V1.35 (Stoe & Cie, 2006)'
_computing_data_reduction        'X-RED32 V1.31 (Stoe & Cie, 2006)'
_computing_molecular_graphics
'ORTEP3 (Farrugia, 1997), MERCURY (Macrea 2006)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'STOE IPDS-2'
_diffrn_measurement_method       'phi + 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  0.0597
_diffrn_reflns_av_sigmaI/netI    0.0580
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            30379
_diffrn_reflns_theta_full        29.20
_diffrn_reflns_theta_max         29.20
_diffrn_reflns_theta_min         2.03
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.740
_exptl_absorpt_correction_T_max  1.01637
_exptl_absorpt_correction_T_min  0.98369
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'MULscanABS in PLATON; Spek, 2003)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.421
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.284
_refine_diff_density_min         -0.309
_refine_diff_density_rms         0.050
_refine_ls_extinction_coef       0.0064(3)
_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   0.833
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     330
_refine_ls_number_reflns         5895
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.833
_refine_ls_R_factor_all          0.0603
_refine_ls_R_factor_gt           0.0321
_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^)+(0.0327P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0595
_refine_ls_wR_factor_ref         0.0637
_reflns_number_gt                3905
_reflns_number_total             5895
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b907018d.txt
_cod_data_source_block           Complex12
_cod_depositor_comments
;
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_sg_symbol_H-M      'P 21/n'
_cod_database_code               7002123