Lanthanide coordination polymers based on 5-(2'-carboxylphenyl) nicotinate: syntheses, structure diversity, dehydration/hydration, luminescence and magnetic properties.
Gu, Jin-Zhong; Wu, Jiang; Lv, Dong-Yu; Tang, Yu; Zhu, Kongyang; Wu, Jincai; Dalton transactions (Cambridge, England : 2003) 42 (2013) 4822–4830; doi:10.1039/c2dt32674d

data_7021104
_publ_section_title
;
 Lanthanide coordination polymers based on 5-(2'-carboxylphenyl)
 nicotinate: syntheses, structure diversity, dehydration/hydration,
 luminescence and magnetic properties.
;
_journal_issue                   14
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4822
_journal_page_last               4830
_journal_paper_doi               10.1039/c2dt32674d
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C38 H25 N4 O9 Sm'
_chemical_formula_weight         831.97
_chemical_name_systematic
;
?
;
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_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            18
_cell_length_a                   31.18(3)
_cell_length_b                   31.18(3)
_cell_length_c                   18.229(19)
_cell_measurement_temperature    296(2)
_cell_volume                     15348(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device_type  'Bruker APEX-II 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  0.0837
_diffrn_reflns_av_sigmaI/netI    0.1072
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            17322
_diffrn_reflns_theta_full        25.10
_diffrn_reflns_theta_max         25.10
_diffrn_reflns_theta_min         2.26
_exptl_absorpt_coefficient_mu    1.785
_exptl_absorpt_correction_T_max  0.7394
_exptl_absorpt_correction_T_min  0.7166
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.620
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             7470
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_platon_squeeze_details
;
;
_refine_diff_density_max         1.787
_refine_diff_density_min         -2.847
_refine_diff_density_rms         0.167
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     470
_refine_ls_number_reflns         5935
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.1054
_refine_ls_R_factor_gt           0.0568
_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^)+(0.0698P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1292
_refine_ls_wR_factor_ref         0.1514
_reflns_number_gt                3666
_reflns_number_total             5935
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt32674d.txt
_cod_data_source_block           r-3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
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_cell_volume        15353(27)
_cod_original_sg_symbol_H-M      R-3
_cod_database_code               7021104