New europium coordination polymers with efficient energy transfer from conjugated tetracarboxylate ligands to Eu(3+) ion: syntheses, structures, luminescence and magnetic properties.
Wang, Li-Feng; Kang, Ling-Chen; Zhang, Wen-Wei; Wang, Fang-Ming; Ren, Xiao-Ming; Meng, Qing-Jin; Dalton transactions (Cambridge, England : 2003) 40 (2011) 9490–9497; doi:10.1039/c1dt10693g

data_7016770
_publ_section_title
;
 New europium coordination polymers with efficient energy transfer from
 conjugated tetracarboxylate ligands to Eu(3+) ion: syntheses,
 structures, luminescence and magnetic properties.
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9490
_journal_page_last               9497
_journal_paper_doi               10.1039/c1dt10693g
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C32 H21 Eu2 O16'
_chemical_formula_sum            'C32 H21 Eu2 O16'
_chemical_formula_weight         965.43
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 94.434(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   30.208(5)
_cell_length_b                   21.295(5)
_cell_length_c                   18.632(3)
_cell_measurement_reflns_used    4144
_cell_measurement_temperature    291(2)
_cell_measurement_theta_max      21.4396
_cell_measurement_theta_min      2.2056
_cell_volume                     11950(4)
_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      291(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0937
_diffrn_reflns_av_sigmaI/netI    0.1202
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -37
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            31860
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    2.122
_exptl_absorpt_correction_T_max  0.1748
_exptl_absorpt_correction_T_min  0.1245
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS,2000; Bruker'
_exptl_crystal_density_diffrn    1.073
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             3736.0
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_platon_squeeze_details
;
;
_refine_diff_density_max         1.749
_refine_diff_density_min         -1.863
_refine_diff_density_rms         0.168
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.871
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     453
_refine_ls_number_reflns         11631
_refine_ls_number_restraints     38
_refine_ls_restrained_S_all      0.906
_refine_ls_R_factor_all          0.1026
_refine_ls_R_factor_gt           0.0668
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0912P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1681
_refine_ls_wR_factor_ref         0.1808
_reflns_number_gt                6239
_reflns_number_total             11631
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt10693g.txt
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-Scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7016770