Magnetic observation of anion binding in iron coordination complexes: toward spin-switching chemosensors.
Ni, Zhaoping; Shores, Matthew P; Journal of the American Chemical Society 131 (2009) 32–33; doi:10.1021/ja807379a

data_4101682
_publ_section_title
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 Magnetic observation of anion binding in iron coordination complexes:
 toward spin-switching chemosensors.
;
_journal_issue                   1
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              32
_journal_page_last               33
_journal_paper_doi               10.1021/ja807379a
_journal_volume                  131
_journal_year                    2009
_chemical_formula_moiety         'C24 H42 Fe N12, C24 H20 B, Br'
_chemical_formula_sum            'C48 H62 B Br Fe N12'
_chemical_formula_weight         953.66
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.4246(4)
_cell_length_b                   31.7843(13)
_cell_length_c                   16.3078(7)
_cell_measurement_reflns_used    9077
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.90
_cell_measurement_theta_min      2.58
_cell_volume                     4885.1(4)
_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 0.914
_diffrn_measured_fraction_theta_max 0.914
_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  0.0818
_diffrn_reflns_av_sigmaI/netI    0.2586
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       48
_diffrn_reflns_limit_k_min       -42
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            61136
_diffrn_reflns_theta_full        33.48
_diffrn_reflns_theta_max         33.48
_diffrn_reflns_theta_min         1.28
_exptl_absorpt_coefficient_mu    1.173
_exptl_absorpt_correction_T_max  0.8053
_exptl_absorpt_correction_T_min  0.6564
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker(2000)'
_exptl_crystal_colour            dark-red
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2000
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.748
_refine_diff_density_min         -0.493
_refine_diff_density_rms         0.119
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     569
_refine_ls_number_reflns         17521
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.2259
_refine_ls_R_factor_gt           0.0661
_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^)+(0.0540P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1515
_refine_ls_wR_factor_ref         0.1829
_reflns_number_gt                5256
_reflns_number_total             17521
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja807379a_si_006.cif
_cod_data_source_block           708764
_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 1673 2011-04-08 12:14:43Z adriana 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4101682