Unique (3,12)-Connected Porous Lanthanide-Organic Frameworks Based on Ln4O4 Clusters: Synthesis, Crystal Structures, Luminescence, and Magnetism
Xia Li; Hao-Ling Sun; Xiao-Shuo Wu; Xiao Qiu; Miao Du; Inorganic Chemistry 49 (2010) 1865–1871; doi:10.1021/ic902241n

data_4314884
_publ_section_title
;
 Unique (3,12)-Connected Porous Lanthanide-Organic Frameworks Based on
 Ln4O4 Clusters: Synthesis, Crystal Structures, Luminescence, and
 Magnetism
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1865
_journal_page_last               1871
_journal_paper_doi               10.1021/ic902241n
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C28 H48 Gd4 O38 S4'
_chemical_formula_weight         1749.90
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           114
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P -4 2n'
_symmetry_space_group_name_H-M   'P -4 21 c'
_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            2
_cell_length_a                   17.1743(3)
_cell_length_b                   17.1743(3)
_cell_length_c                   8.5106(2)
_cell_measurement_reflns_used    4171
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.61
_cell_measurement_theta_min      3.36
_cell_volume                     2510.26(9)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0195
_diffrn_reflns_av_sigmaI/netI    0.0362
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            6186
_diffrn_reflns_theta_full        27.61
_diffrn_reflns_theta_max         27.61
_diffrn_reflns_theta_min         3.36
_exptl_absorpt_coefficient_mu    5.491
_exptl_absorpt_correction_T_max  0.4381
_exptl_absorpt_correction_T_min  0.2897
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.315
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1680
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.506
_refine_diff_density_min         -0.363
_refine_diff_density_rms         0.090
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.013(11)
_refine_ls_extinction_coef       0.00204(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   1.013
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     197
_refine_ls_number_reflns         2679
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0203
_refine_ls_R_factor_gt           0.0188
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0101P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0395
_refine_ls_wR_factor_ref         0.0400
_reflns_number_gt                2541
_reflns_number_total             2679
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic902241n_si_003.cif
_cod_data_source_block           080624a_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

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

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' 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               4314884