Controlled Aggregation of Heterometallic Nanoscale Cu12Ln6 Clusters (Ln = GdIII or NdIII) into 2D Coordination Polymers
Feng He; Ming-Liang Tong; Xiao-Lan Yu; Xiao-Ming Chen; Inorganic Chemistry 44 (2005) 559–565; doi:10.1021/ic048754s

data_4308466
_publ_contact_author
;
      Chen, Xiao-Ming
      School of Chemistry and Chemical Engineering
      Sun Yat-Sen University
      Guangzhou, 510275
      P. R. China
;
_publ_contact_author_email       cescxm@zsu.edu.cn
_publ_contact_author_fax         '86 20 84112245'
_publ_contact_author_phone       86-20-84113986
_publ_section_title
;
Controlled Aggregation of Heterometallic Nanoscale Cu12Ln6 Clusters (Ln =
GdIII or NdIII) into 2D Coordination Polymers
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              559
_journal_page_last               565
_journal_paper_doi               10.1021/ic048754s
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C12 H22 Cl Cu Gd N16 O13'
_chemical_formula_weight         854.70
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           130
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4a 2ac'
_symmetry_space_group_name_H-M   'P 4/n c c :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                   10.6062(4)
_cell_length_b                   10.6062(4)
_cell_length_c                   23.9726(13)
_cell_measurement_temperature    295(2)
_cell_volume                     2696.7(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_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  0.0192
_diffrn_reflns_av_sigmaI/netI    0.0113
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            15024
_diffrn_reflns_theta_full        28.25
_diffrn_reflns_theta_max         28.25
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    3.418
_exptl_absorpt_correction_T_max  0.5628
_exptl_absorpt_correction_T_min  0.5031
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    2.105
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1680
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.636
_refine_diff_density_min         -0.537
_refine_diff_density_rms         0.065
_refine_ls_extinction_coef       0.00283(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     104
_refine_ls_number_reflns         1638
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0210
_refine_ls_R_factor_gt           0.0181
_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^)+(0.0167P)^2^+3.3538P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0432
_refine_ls_wR_factor_ref         0.0446
_reflns_number_gt                1454
_reflns_number_total             1638
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic048754ssi20040906_102134_2.cif
_cod_data_source_block           compoud_1Gd
_cod_original_sg_symbol_H-M      'P 4/n c c'
_cod_database_code               4308466