Rational design of covalently bridged [FeIII2MIIO] clusters
Alborés, Pablo; Rentschler, Eva; Dalton Transactions 39 (2010) 5005–; doi:10.1039/b925214b

data_7025129
_publ_section_title
;
 Rational design of covalently bridged [FeIII2MIIO] clusters
;
_journal_issue                   20
_journal_name_full               'Dalton Transactions'
_journal_page_first              5005
_journal_paper_doi               10.1039/b925214b
_journal_volume                  39
_journal_year                    2010
_chemical_formula_sum            'C72 H124 Fe4 N6 Ni2 O28'
_chemical_formula_weight         1862.59
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                108.7492(12)
_cell_angle_beta                 105.7623(12)
_cell_angle_gamma                106.8220(12)
_cell_formula_units_Z            1
_cell_length_a                   11.7753(4)
_cell_length_b                   13.5794(4)
_cell_length_c                   17.9814(6)
_cell_measurement_temperature    173(2)
_cell_volume                     2385.95(14)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.974
_diffrn_measured_fraction_theta_max 0.974
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0271
_diffrn_reflns_av_sigmaI/netI    0.0310
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            35739
_diffrn_reflns_theta_full        27.59
_diffrn_reflns_theta_max         27.59
_diffrn_reflns_theta_min         1.31
_exptl_absorpt_coefficient_mu    1.049
_exptl_absorpt_correction_T_max  0.6961
_exptl_absorpt_correction_T_min  0.5217
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.296
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             982
_exptl_crystal_size_max          0.59
_exptl_crystal_size_mid          0.47
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.657
_refine_diff_density_min         -0.421
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     533
_refine_ls_number_reflns         10801
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0531
_refine_ls_R_factor_gt           0.0371
_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^)+(0.0402P)^2^+3.2510P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0933
_refine_ls_wR_factor_ref         0.1036
_reflns_number_gt                8606
_reflns_number_total             10801
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b925214b.txt
_cod_data_source_block           pa_419_0m
_cod_original_cell_volume        2385.93(20)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7025129