Synthesis, structures, and magnetic properties of tetranuclear CuII-LnIII complexes.
Costes, Jean-Pierre; Auchel, Magali; Dahan, Françoise; Peyrou, Viviane; Shova, Sergiu; Wernsdorfer, Wolfgang; Inorganic chemistry 45 (2006) 1924–1934; doi:10.1021/ic050587o

data_4340246
_publ_section_title
;
 Synthesis, structures, and magnetic properties of tetranuclear CuII-LnIII
 complexes.
;
_journal_issue                   5
_journal_name_full               'Inorganic chemistry'
_journal_page_first              1924
_journal_page_last               1934
_journal_paper_doi               10.1021/ic050587o
_journal_volume                  45
_journal_year                    2006
_chemical_formula_moiety         'C20 H22 Cu N5 O11 Tb'
_chemical_formula_sum            'C20 H22 Cu N5 O11 Tb'
_chemical_formula_weight         730.89
_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                81.77(3)
_cell_angle_beta                 89.17(3)
_cell_angle_gamma                85.49(3)
_cell_formula_units_Z            2
_cell_length_a                   8.6821(17)
_cell_length_b                   11.848(2)
_cell_length_c                   11.928(2)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    240(2)
_cell_measurement_theta_max      51.8
_cell_measurement_theta_min      4.6
_cell_volume                     1210.6(4)
_computing_cell_refinement       'STOE-IPDS software (Stoe, 2.93, 1997)'
_computing_data_collection       'STOE-IPDS software (Stoe, 2.93, 1997)'
_computing_data_reduction        'XRED (Stoe, 1.08, 1996)'
_computing_molecular_graphics    'ZORTEP (Zsolnai, 1996)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      240(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.928
_diffrn_measured_fraction_theta_max 0.928
_diffrn_measurement_device_type  STOE-IPDS
_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  0.0299
_diffrn_reflns_av_sigmaI/netI    0.0359
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            9485
_diffrn_reflns_theta_full        25.97
_diffrn_reflns_theta_max         25.97
_diffrn_reflns_theta_min         2.82
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.846
_exptl_absorpt_correction_T_max  0.6055
_exptl_absorpt_correction_T_min  0.5389
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'R. H. Blessing, Acta Cryst., 1995, a51, 33'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    2.005
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             718
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.711
_refine_diff_density_min         -0.457
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.948
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     346
_refine_ls_number_reflns         4400
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.948
_refine_ls_R_factor_all          0.0285
_refine_ls_R_factor_gt           0.0210
_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^)+(0.0280P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0469
_refine_ls_wR_factor_ref         0.0484
_reflns_number_gt                3817
_reflns_number_total             4400
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic050587osi20050415_122207.cif
_cod_data_source_block           '[L4CuTb(NO3)2(dmf)]2_(12)'
_cod_database_code               4340246