Conjugated Ligands Modulated Sandwich Structures and Luminescence Properties of Lanthanide Metal-Organic Frameworks
Tian-Fu Liu; Wenjuan Zhang; Wen-Hua Sun; Rong Cao; Inorganic Chemistry 50 (2011) 5242–5248; doi:10.1021/ic200579j

data_4325341
_publ_section_title
;
 Conjugated Ligands Modulated Sandwich Structures and Luminescence
 Properties of Lanthanide Metal-Organic Frameworks
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5242
_journal_page_last               5248
_journal_paper_doi               10.1021/ic200579j
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C38 H16 Gd4 N6 O41'
_chemical_formula_weight         1841.57
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 116.318(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   33.733(3)
_cell_length_b                   8.8519(3)
_cell_length_c                   19.5382(15)
_cell_measurement_reflns_used    4799
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.4682
_cell_measurement_theta_min      2.1084
_cell_volume                     5229.4(7)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2007)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2007)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean 13.6612
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type
;
Mercury2 (2x2 bin mode)
;
_diffrn_measurement_method       CCD_Profile_fitting
_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  0.0392
_diffrn_reflns_av_sigmaI/netI    0.0385
_diffrn_reflns_limit_h_max       42
_diffrn_reflns_limit_h_min       -43
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            19279
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.11
_diffrn_standards_decay_%        none
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    5.132
_exptl_absorpt_correction_T_max  0.370
_exptl_absorpt_correction_T_min  0.350
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    2.339
_exptl_crystal_description       Prism
_exptl_crystal_F_000             3480
_exptl_crystal_size_max          0.2000
_exptl_crystal_size_mid          0.2000
_exptl_crystal_size_min          0.2000
_refine_diff_density_max         2.505
_refine_diff_density_min         -1.779
_refine_diff_density_rms         0.429
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.130
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     422
_refine_ls_number_reflns         5959
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.129
_refine_ls_R_factor_all          0.0611
_refine_ls_R_factor_gt           0.0362
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0801P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1010
_refine_ls_wR_factor_ref         0.1393
_reflns_number_gt                4246
_reflns_number_total             5959
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic200579j_si_002_4.cif
_cod_data_source_block           5
_cod_original_cell_volume        5229.5(6)
_cod_database_code               4325341