Structure and luminescence of a 2-dimensional 2,3-pyridinedicarboxylate coordination polymer constructed from lanthanide(III) dimers
Amanda L. Ramireza; Karah E. Knopeb; Tanya T. Kelleya; Natalie E. Greiga; Jeffrey D. Einkaufa; Daniel T. de Lill; Inorganica Chimica Acta 392 (2012) 46–51; doi:10.1016/j.ica.2012.05.039

data_1512445
_publ_section_title
;
 Structure and luminescence of a 2-dimensional 2,3-pyridinedicarboxylate
 coordination polymer constructed from lanthanide(III) dimers
;
_journal_name_full
;
Inorganica Chimica Acta
;
_journal_page_first              46
_journal_page_last               51
_journal_paper_doi               10.1016/j.ica.2012.05.039
_journal_volume                  392
_journal_year                    2012
_chemical_formula_sum            'C14 H9 N2 O9 Sm'
_chemical_formula_weight         499.59
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_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                 97.533(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.8559(18)
_cell_length_b                   16.655(2)
_cell_length_c                   7.0465(10)
_cell_measurement_reflns_used    6077
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      60.587
_cell_measurement_theta_min      8.435
_cell_volume                     1495.7(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0472
_diffrn_reflns_av_sigmaI/netI    0.0369
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            22092
_diffrn_reflns_theta_full        30.50
_diffrn_reflns_theta_max         30.50
_diffrn_reflns_theta_min         4.00
_exptl_absorpt_coefficient_mu    3.984
_exptl_absorpt_correction_T_max  0.923
_exptl_absorpt_correction_T_min  0.730
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            'clear colorless'
_exptl_crystal_density_diffrn    2.219
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             964
_exptl_crystal_size_max          0.182
_exptl_crystal_size_mid          0.068
_exptl_crystal_size_min          0.020
_refine_diff_density_max         1.388
_refine_diff_density_min         -0.569
_refine_diff_density_rms         0.152
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         4513
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0363
_refine_ls_R_factor_gt           0.0262
_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^)+(0.0306P)^2^+0.6418P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0583
_refine_ls_wR_factor_ref         0.0620
_reflns_number_gt                3759
_reflns_number_total             4513
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ICA-2012-392-46-51-3.cif
_cod_data_source_block           Sm
_cod_original_cell_volume        1495.8(4)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1512445