Cation-Bonding and Protonation of the Fe4-Square Cluster
Hou, Yu; Rodriguez, Mark A.; Nyman, May; Crystal Growth & Design 12 (2012) 1422–; doi:10.1021/cg2015397

data_4505546
_publ_section_title
;
 Cation-Bonding and Protonation of the Fe4-Square Cluster
;
_journal_issue                   3
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1422
_journal_paper_doi               10.1021/cg2015397
_journal_volume                  12
_journal_year                    2012
_chemical_formula_sum            'C52 H64 Fe8 N8 Na5 O80'
_chemical_formula_weight         2642.86
_chemical_name_common            'sodium iron(4) dioxo di-HPDTA diacetate'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 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                 100.6140(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            1
_cell_length_a                   11.0473(11)
_cell_length_b                   20.418(2)
_cell_length_c                   11.7437(12)
_cell_measurement_reflns_used    256
_cell_measurement_temperature    188(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      1.0
_cell_volume                     2603.6(5)
_computing_cell_refinement       'SMART 5.054 (Bruker, 1998)'
_computing_data_collection       'SMART 5.054 (Bruker, 1998)'
_computing_data_reduction        'SAINT 6.02 (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL 5.1  (Bruker, 1998)'
_computing_publication_material  'SHELXTL 5.1  (Bruker, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      188(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.916
_diffrn_measured_fraction_theta_max 0.916
_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  0.0400
_diffrn_reflns_av_sigmaI/netI    0.0430
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            21680
_diffrn_reflns_theta_full        28.16
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.76
_exptl_absorpt_coefficient_mu    1.225
_exptl_absorpt_correction_T_max  0.802
_exptl_absorpt_correction_T_min  0.620
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'Bruker 2000'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.686
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rectangle
_exptl_crystal_F_000             1335
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.803
_refine_diff_density_min         -0.829
_refine_diff_density_rms         0.153
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     369
_refine_ls_number_reflns         6006
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.1034
_refine_ls_R_factor_gt           0.0717
_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^)+(0.1111P)^2^+11.3708P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1981
_refine_ls_wR_factor_ref         0.2197
_reflns_number_gt                4218
_reflns_number_total             6006
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg2015397_si_006.cif
_cod_data_source_block           nafe4-p2_m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' 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/m'
_cod_database_code               4505546