Synthesis, X-ray structures, electrochemistry, magnetic properties, and theoretical studies of the novel monomeric [CoI2(dppfO2)] and polymeric chain [CoI2(μ-dppfO2)n]
Teresa Avilés; António Dinis; José Orlando Gonçalves; Vitor Félix; Maria José Calhorda; Ângela Prazeres; Michael G. B. Drew; Helena Alves; Rui T. Henriques; Vasco da Gama; Piero Zanello; Marco Fontani; J. Chem. Soc., Dalton Trans.  (2002) 4595–4602; doi:10.1039/b205942h

data_7011929
_publ_section_title
;
 Synthesis, X-ray structures, electrochemistry, magnetic properties,
 and theoretical studies of the novel monomeric [CoI2(dppfO2)] and
 polymeric chain [CoI2(\m-dppfO2)n]
;
_journal_issue                   24
_journal_name_full               'J. Chem. Soc., Dalton Trans.'
_journal_page_first              4595
_journal_page_last               4602
_journal_paper_doi               10.1039/b205942h
_journal_year                    2002
_chemical_formula_sum            'C34 H28 N2 O6'
_chemical_formula_weight         560.58
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 91.627(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.9416(11)
_cell_length_b                   8.1164(10)
_cell_length_c                   18.832(2)
_cell_measurement_reflns_used    1846
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      23.5
_cell_measurement_theta_min      2.5
_cell_volume                     1366.2(3)
_computing_cell_refinement       'Bruker AXS, SAINT'
_computing_data_collection       'Bruker AXS, SMART'
_computing_data_reduction        'Bruker AXS, SAINT'
_computing_molecular_graphics    'Bruker AXS, SHELXTL'
_computing_publication_material  'Bruker AXS, SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.1267
_diffrn_reflns_av_sigmaI/netI    0.0859
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            7674
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.16
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  0.9424
_exptl_absorpt_correction_T_min  0.6814
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'sadabs (Sheldrick, 2001)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.363
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       'distorted hexagonal block'
_exptl_crystal_F_000             588
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.346
_refine_diff_density_min         -0.440
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         2408
_refine_ls_number_restraints     16
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0969
_refine_ls_R_factor_gt           0.0808
_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^)+(0.1200P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1985
_refine_ls_wR_factor_ref         0.2080
_reflns_number_gt                1702
_reflns_number_total             2408
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b205942h.txt
_cod_data_source_block           197
_cod_original_cell_volume        1366.1(3)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7011929