Syntheses, topologies, and luminescence of four Ln‒organic polymers constructed from aromatic tetracarboxylic acids
Fan, Liming; Fan, Weiliu; Song, Weikuo; Liu, Guangzeng; Zhang, Xiutang; Zhao, Xian; CrystEngComm 16 (2014) 9191–; doi:10.1039/C4CE01139B

data_7217686
_publ_section_title
;
 Syntheses, topologies, and luminescence of four Ln--organic polymers
 constructed from aromatic tetracarboxylic acids
;
_journal_issue                   39
_journal_name_full               CrystEngComm
_journal_page_first              9191
_journal_paper_doi               10.1039/C4CE01139B
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C24 H22 N2 O16 Yb2'
_chemical_formula_weight         940.52
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.825(14)
_cell_length_b                   15.373(11)
_cell_length_c                   9.047(7)
_cell_measurement_reflns_used    657
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      18.31
_cell_measurement_theta_min      2.61
_cell_volume                     2618(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0609
_diffrn_reflns_av_sigmaI/netI    0.0743
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            12158
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.16
_exptl_absorpt_coefficient_mu    7.188
_exptl_absorpt_correction_T_max  0.4551
_exptl_absorpt_correction_T_min  0.3137
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.386
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1792
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.13
_refine_diff_density_max         1.401
_refine_diff_density_min         -1.885
_refine_diff_density_rms         0.151
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.997
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     402
_refine_ls_number_reflns         4311
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.0403
_refine_ls_R_factor_gt           0.0376
_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^)+(0.0050P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0614
_refine_ls_wR_factor_ref         0.0621
_reflns_number_gt                3929
_reflns_number_total             4311
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01139b2.cif
_cod_data_source_block           z
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' 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 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 7217685--7217688.cif.
;
_cod_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               7217686