A Ferromagnetically Coupled CrCu3 Tetramer and GdCu4 Pentamer with a [15]N4 Macrocylic Ligand Incorporating an Oxamido Bridge
Lei Zhang; Shi-Bin Wang; Guang-Ming Yang; Jin-kui Tang; Dai-Zheng Liao; Zong-Hui Jiang; Shi-Ping Yan; Peng Cheng; Inorganic Chemistry 42 (2003) 1462–1466; doi:10.1021/ic020466d

data_4313224
_publ_section_title
;
 A Ferromagnetically Coupled CrCu3 Tetramer and GdCu4 Pentamer with a
 [15]N4 Macrocylic Ligand Incorporating an Oxamido Bridge
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1462
_journal_page_last               1466
_journal_paper_doi               10.1021/ic020466d
_journal_volume                  42
_journal_year                    2003
_chemical_formula_sum            'C63 H57 Cl3 Cr Cu3 N15 O18'
_chemical_formula_weight         1661.21
_chemical_name_systematic
;
  ?
;
_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                 91.990(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.828(6)
_cell_length_b                   18.321(5)
_cell_length_c                   17.578(5)
_cell_measurement_temperature    293(2)
_cell_volume                     6704(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(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       'phi and 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  0.1061
_diffrn_reflns_av_sigmaI/netI    0.1809
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            27515
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         0.98
_exptl_absorpt_coefficient_mu    1.300
_exptl_absorpt_correction_T_max  0.7810
_exptl_absorpt_correction_T_min  0.6964
_exptl_absorpt_correction_type   MULT-SCAN
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.646
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             3384
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.874
_refine_diff_density_min         -0.529
_refine_diff_density_rms         0.117
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.941
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     928
_refine_ls_number_reflns         11833
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.941
_refine_ls_R_factor_all          0.1790
_refine_ls_R_factor_gt           0.0539
_refine_ls_shift/su_max          0.044
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0690P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1161
_refine_ls_wR_factor_ref         0.1773
_reflns_number_gt                4576
_reflns_number_total             11833
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic020466d_2.cif
_cod_data_source_block           010228e
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4313224