Copolymerization of Fe4Cu2C(CO)12 moieties with bidentate N-ligands: synthesis and crystal structure of the [Fe4Cu2(μ6-C)(CO)12(μ-bipy)]4·8THF square tetramer and the infinite [Fe4Cu2(μ6-C)(CO)12(μ-L‒L)]∞zigzag chains
Femoni, Cristina; Della Pergola, Roberto; Iapalucci, Maria Carmela; Kaswalder, Francesco; Riccò, Mauro; Zacchini, Stefano; Dalton Transactions  (2009) 1509–1511; doi:10.1039/b821639h

data_7000603
_publ_section_title
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 Copolymerization of Fe4Cu2C(CO)12 moieties with bidentate N-ligands:
 synthesis and crystal structure of the
 [Fe4Cu2(\m6-C)(CO)12(\m-bipy)]4&#x00B7;8THF square tetramer and the
 infinite [Fe4Cu2(\m6-C)(CO)12(\m-L--L)]\\infty zigzag chains
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_journal_issue                   9
_journal_name_full               'Dalton Transactions'
_journal_page_first              1509
_journal_page_last               1511
_journal_paper_doi               10.1039/b821639h
_journal_year                    2009
_chemical_formula_sum            'C124 H96 Cu8 Fe16 N8 O56'
_chemical_formula_weight         3996.01
_chemical_name_systematic
;
?
;
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_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                   22.5782(6)
_cell_length_b                   22.5782(6)
_cell_length_c                   29.4126(14)
_cell_measurement_reflns_used    8555
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      21.1335
_cell_measurement_theta_min      2.2645
_cell_volume                     14993.8(9)
_computing_cell_refinement       'BRUKER AXS PROGRAMS'
_computing_data_collection       'BRUKER AXS PROGRAMS'
_computing_data_reduction        'BRUKER AXS PROGRAMS'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD AREA DETECTOR'
_diffrn_measurement_method       '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  0.1386
_diffrn_reflns_av_sigmaI/netI    0.0690
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            72692
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.14
_exptl_absorpt_coefficient_mu    2.688
_exptl_absorpt_correction_T_max  0.6433
_exptl_absorpt_correction_T_min  0.5531
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            BLACK
_exptl_crystal_density_diffrn    1.770
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PRISMATIC
_exptl_crystal_F_000             7968
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.590
_refine_diff_density_min         -0.443
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     479
_refine_ls_number_reflns         6601
_refine_ls_number_restraints     61
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.1160
_refine_ls_R_factor_gt           0.0489
_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^)+(0.0550P)^2^+34.4518P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1023
_refine_ls_wR_factor_ref         0.1344
_reflns_number_gt                3647
_reflns_number_total             6601
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b821639h.txt
_cod_data_source_block           707702prova
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'TETRAGONAL' changed to 'tetragonal'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'EMPIRICAL' changed to
'empirical' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_refine_ls_hydrogen_treatment' value 'CONSTR' changed to
'constr' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      I4(1)/a
_cod_database_code               7000603