From 1D to 3D Lanthanide Coordination Polymers Constructed with Pyridine-3, 5-dicarboxylic Acid: Synthesis, Crystal Structures, and Catalytic Properties
Lin, Xiao-Ming; Niu, Ji-Liang; Wen, Pei-Xian; Lu, Yan-Na; Hu, Lei; Zhang, Da-Liang; Cai, Yue-Peng; RSC Adv.  (2016) –; doi:10.1039/C6RA13242A

data_7225777
_publ_section_title
;
 From 1D to 3D Lanthanide Coordination Polymers Constructed with
 Pyridine-3, 5-dicarboxylic Acid: Synthesis, Crystal Structures, and
 Catalytic Properties
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA13242A
_journal_year                    2016
_chemical_formula_sum            'C21 H18 Er N3 O15'
_chemical_formula_weight         719.64
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-04-04 deposited with the CCDC.
2016-06-27 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 100.456(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.091(5)
_cell_length_b                   11.959(2)
_cell_length_c                   9.6220(19)
_cell_measurement_reflns_used    4779
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.30
_cell_measurement_theta_min      2.78
_cell_volume                     2386.6(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0226
_diffrn_reflns_av_sigmaI/netI    0.0371
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            6043
_diffrn_reflns_theta_full        25.19
_diffrn_reflns_theta_max         25.19
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    3.603
_exptl_absorpt_correction_T_max  0.7146
_exptl_absorpt_correction_T_min  0.5327
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.003
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1412
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.776
_refine_diff_density_min         -0.846
_refine_diff_density_rms         0.107
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.65(2)
_refine_ls_extinction_coef       0.00156(13)
_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   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     366
_refine_ls_number_reflns         3242
_refine_ls_number_restraints     9
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0308
_refine_ls_R_factor_gt           0.0302
_refine_ls_shift/su_max          0.028
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0379P)^2^+19.8190P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0790
_refine_ls_wR_factor_ref         0.0796
_reflns_number_gt                3171
_reflns_number_total             3242
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra13242a2.cif
_cod_data_source_block           Er
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_cell_volume        2386.6(9)
_cod_original_sg_symbol_H-M      'Cc   '
_cod_database_code               7225777