Synthesis, structures and magnetic properties of a series of 3d-4f tetranuclear Co(II)₂Ln(III)₂ cubanes.
Zhao, Xiao-Qing; Lan, Yanhua; Zhao, Bin; Cheng, Peng; Anson, Christopher E.; Powell, Annie K.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 4911–4917; doi:10.1039/c002841j

data_7025687
_publ_section_title
;
 Synthesis, structures and magnetic properties of a series of 3d-4f
 tetranuclear Co(II)&#x2082;Ln(III)&#x2082; cubanes.
;
_journal_issue                   20
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4911
_journal_page_last               4917
_journal_paper_doi               10.1039/c002841j
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C58 H86 Co2 Gd2 N4 O20, 4(C2 H3 N)'
_chemical_formula_sum            'C66 H98 Co2 Gd2 N8 O20'
_chemical_formula_weight         1755.88
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 100.538(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.5754(5)
_cell_length_b                   18.7803(6)
_cell_length_c                   26.9225(8)
_cell_measurement_reflns_used    13772
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.14
_cell_measurement_theta_min      2.30
_cell_volume                     7742.3(4)
_computing_cell_refinement       'SMART-NT 5.6 (Bruker AXS Inc., 2005)'
_computing_data_collection       'SMART-NT 5.6 (Bruker AXS Inc., 2005)'
_computing_data_reduction        'SAINT+ 6.45 (Bruker AXS Inc., 2003)'
_computing_molecular_graphics    'Diamond 2.1 (Crystal Impact, 1998)'
_computing_publication_material  'SHELXTL 6.14 (BrukerAXS Inc., 2003)'
_computing_structure_refinement  'SHELXTL 6.14 (BrukerAXS Inc., 2003)'
_computing_structure_solution    'SHELXTL 6.14 (BrukerAXS Inc., 2003)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.923
_diffrn_measurement_device_type  'Bruker SMART Apex'
_diffrn_measurement_method       'CCD area detector'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0179
_diffrn_reflns_av_sigmaI/netI    0.0183
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            53002
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.16
_diffrn_reflns_theta_min         2.59
_exptl_absorpt_coefficient_mu    2.183
_exptl_absorpt_correction_T_max  0.558
_exptl_absorpt_correction_T_min  0.449
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2.10 (Bruker AXS Inc., 2005)'
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.506
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3568
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.31
_refine_diff_density_max         1.561
_refine_diff_density_min         -0.789
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     901
_refine_ls_number_reflns         17546
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0310
_refine_ls_R_factor_gt           0.0284
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0303P)^2^+11.2342P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0683
_refine_ls_wR_factor_ref         0.0697
_reflns_number_gt                16409
_reflns_number_total             17546
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c002841j.txt
_cod_data_source_block           zhao10
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7025687