Synthesis, Structural and Magnetochemical Studies of Iron Phosphonate Cages Based on {Fe3O}7+ Core
Khanra, Sumit; Konar, Sanjit; Clearfield, Abraham; Helliwell, Madeleine; McInnes, Eric J. L.; Tolis, Evangelos; Tuna, Floriana; Winpenny, Richard E. P.; Inorganic Chemistry 48 (2009) 5338–5349; doi:10.1021/ic9003214

data_4302356
_publ_section_title
;
 Synthesis, Structural and Magnetochemical Studies of Iron Phosphonate
 Cages Based on {Fe3O}7+ Core
;
_journal_coden_ASTM              INOCAJ
_journal_issue                   12
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5338
_journal_page_last               5349
_journal_paper_doi               10.1021/ic9003214
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C59.5 H102.25 Fe6 N2.75 O26 P2'
_chemical_formula_weight         1669.23
_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                 98.135(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.9882(8)
_cell_length_b                   23.7909(12)
_cell_length_c                   24.8382(12)
_cell_measurement_temperature    100(2)
_cell_volume                     8767.8(8)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.4 (release 27-04-2006 CrysAlis171 .NET)
(compiled Apr 27 2007,17:53:11)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.32.4 (release 27-04-2006 CrysAlis171 .NET)
(compiled Apr 27 2007,17:53:11)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.4 (release 27-04-2006 CrysAlis171 .NET)
(compiled Apr 27 2007,17:53:11)
;
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.830
_diffrn_measured_fraction_theta_max 0.830
_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  0.0427
_diffrn_reflns_av_sigmaI/netI    0.0673
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            43785
_diffrn_reflns_theta_full        23.87
_diffrn_reflns_theta_max         23.87
_diffrn_reflns_theta_min         2.70
_exptl_absorpt_coefficient_mu    1.068
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.265
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3490
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_platon_squeeze_details
;
;
_refine_diff_density_max         1.047
_refine_diff_density_min         -0.683
_refine_diff_density_rms         0.118
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.144
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     885
_refine_ls_number_reflns         11238
_refine_ls_number_restraints     507
_refine_ls_restrained_S_all      1.167
_refine_ls_R_factor_all          0.1163
_refine_ls_R_factor_gt           0.0693
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1297P)^2^+16.3128P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1856
_refine_ls_wR_factor_ref         0.2426
_reflns_number_gt                6782
_reflns_number_total             11238
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             4338601
_cod_data_source_file            ic9003214_si_001_4.cif
_cod_data_source_block           repw886sq
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_original_formula_sum        'C59.50 H102.25 Fe6 N2.75 O26 P2'
_cod_database_code               4302356