Synthesis, structures, adsorption behaviour and magnetic properties of a new family of polynuclear iron clusters.
Miao, Yan-Li; Liu, Jun-Liang; Lin, Zhuo-Jia; Ou, Yong-Cong; Leng, Ji-Dong; Tong, Ming-Liang; Dalton transactions (Cambridge, England : 2003) 39 (2010) 4893–4902; doi:10.1039/c000126k

data_7025398
_publ_section_title
;
 Synthesis, structures, adsorption behaviour and magnetic properties of a
 new family of polynuclear iron clusters.
;
_journal_issue                   20
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4893
_journal_page_last               4902
_journal_paper_doi               10.1039/c000126k
_journal_volume                  39
_journal_year                    2010
_chemical_formula_sum            'C42 H52 Br Fe3 N12 O21'
_chemical_formula_weight         1308.42
_chemical_name_systematic
;
?
;
_space_group_IT_number           163
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-P 3 2c'
_symmetry_space_group_name_H-M   'P -3 1 c'
_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                120.00
_cell_formula_units_Z            2
_cell_length_a                   19.104(3)
_cell_length_b                   19.104(3)
_cell_length_c                   9.4409(19)
_cell_measurement_temperature    150(2)
_cell_volume                     2984.0(9)
_computing_cell_refinement       'PROCESS-AUTO (Rigaku, 1998)'
_computing_data_collection       'PROCESS-AUTO (Rigaku, 1998)'
_computing_data_reduction        'PROCESS-AUTO (Rigaku, 1998)'
_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      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku R-AXIS SPIDER IP'
_diffrn_measurement_method       '\w 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    0.0269
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            27291
_diffrn_reflns_theta_full        26.99
_diffrn_reflns_theta_max         26.99
_diffrn_reflns_theta_min         3.26
_exptl_absorpt_coefficient_mu    1.468
_exptl_absorpt_correction_T_max  0.9042
_exptl_absorpt_correction_T_min  0.8098
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(ABSCOR; Higashi, 1995)'
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.456
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1338
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.514
_refine_diff_density_min         -0.411
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.109
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     103
_refine_ls_number_reflns         2180
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.109
_refine_ls_R_factor_all          0.0594
_refine_ls_R_factor_gt           0.0486
_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^)+(0.0805P)^2^+1.1047P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1370
_refine_ls_wR_factor_ref         0.1448
_reflns_number_gt                1830
_reflns_number_total             2180
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c000126k.txt
_cod_data_source_block           complex2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        2983.9(8)
_cod_original_sg_symbol_H-M      P-31c
_cod_database_code               7025398