Syntheses, structures, and luminescence of four lanthanide metal‒organic frameworks based on lanthanide-oxide chains with C2- or C3-symmetric trigonal-planar polycarboxylate ligands
Zhang, Xiutang; Fan, Liming; Sun, Zhong; Zhang, Wei; Fan, Weiliu; Sun, Liming; Zhao, Xian; CrystEngComm 15 (2013) 4910–; doi:10.1039/c3ce27082c

data_7210092
_publ_section_title
;
 Syntheses, structures, and luminescence of four lanthanide metal--organic
 frameworks based on lanthanide-oxide chains with C2- or C3-symmetric
 trigonal-planar polycarboxylate ligands
;
_journal_issue                   24
_journal_name_full               CrystEngComm
_journal_page_first              4910
_journal_paper_doi               10.1039/c3ce27082c
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C50 H30.67 Gd N2 Na0.33 O8, 2(H2 O)'
_chemical_formula_sum            'C50 H34.67 Gd N2 Na0.33 O10'
_chemical_formula_weight         988.38
_chemical_name_systematic
;
?
;
_space_group_IT_number           148
_symmetry_cell_setting           rhombohedral
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                120.00
_cell_formula_units_Z            9
_cell_length_a                   29.6966(13)
_cell_length_b                   29.6966(13)
_cell_length_c                   14.9618(12)
_cell_measurement_reflns_used    374
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      12.45
_cell_measurement_theta_min      2.38
_cell_volume                     11426.9(12)
_computing_cell_refinement       'SAINT-Plus (Bruker, 2001)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        SAINT-Plus
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \w 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  0.0762
_diffrn_reflns_av_sigmaI/netI    0.0856
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -36
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            17266
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.37
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.363
_exptl_absorpt_correction_T_max  0.8115
_exptl_absorpt_correction_T_min  0.6117
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2001)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.294
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4479
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         2.816
_refine_diff_density_min         -0.491
_refine_diff_density_rms         0.168
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.001
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     303
_refine_ls_number_reflns         4951
_refine_ls_number_restraints     78
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.1196
_refine_ls_R_factor_gt           0.0732
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.4675P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2235
_refine_ls_wR_factor_ref         0.2671
_reflns_number_gt                3873
_reflns_number_total             4951
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c3ce27082c.txt
_cod_data_source_block           z2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Rhombohedral' changed to
'rhombohedral' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      R-3
_cod_database_code               7210092