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_7225776
_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            'C24 H28 Ho2 N4 O19'
_chemical_formula_weight         1006.36
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_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
_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                 113.898(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.0690(9)
_cell_length_b                   20.0854(19)
_cell_length_c                   17.3482(13)
_cell_measurement_reflns_used    7749
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.97
_cell_measurement_theta_min      2.30
_cell_volume                     3207.7(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0345
_diffrn_reflns_av_sigmaI/netI    0.0369
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            16272
_diffrn_reflns_theta_full        25.20
_diffrn_reflns_theta_max         25.20
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    4.987
_exptl_absorpt_correction_T_max  0.6911
_exptl_absorpt_correction_T_min  0.4354
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    2.084
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1944
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.787
_refine_diff_density_min         -0.982
_refine_diff_density_rms         0.138
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     405
_refine_ls_number_reflns         5763
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0290
_refine_ls_R_factor_gt           0.0251
_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^)+(0.0323P)^2^+0.2064P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0630
_refine_ls_wR_factor_ref         0.0645
_reflns_number_gt                5095
_reflns_number_total             5763
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra13242a2.cif
_cod_data_source_block           Ho
_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 

The following automatic conversions were performed:

'_refine_ls_hydrogen_treatment' value 'contr' was replaced with the
value 'constr' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_sg_symbol_H-M      'P 21/c '
_cod_database_code               7225776