Syntheses, structures and luminescent properties of decorated lanthanide metal-organic frameworks of (E)-4,4'-(ethene-1,2-diyl)dibenzoic acids
Li, Yu; Song, Datong; CrystEngComm 13 (2011) 1821–1830; doi:10.1039/c0ce00750a

data_7210540
_publ_section_title
;
 Syntheses, structures and luminescent properties of decorated lanthanide
 metal-organic frameworks of (E)-4,4'-(ethene-1,2-diyl)dibenzoic acids
;
_journal_issue                   6
_journal_name_full               CrystEngComm
_journal_page_first              1821
_journal_page_last               1830
_journal_paper_doi               10.1039/c0ce00750a
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C21 H20 Br2 Cl2 O4'
_chemical_formula_weight         567.09
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 97.184(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7778(5)
_cell_length_b                   11.6120(5)
_cell_length_c                   18.5198(9)
_cell_measurement_reflns_used    27090
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.65
_cell_measurement_theta_min      2.32
_cell_volume                     2299.59(18)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_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  0.0587
_diffrn_reflns_av_sigmaI/netI    0.0855
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            27090
_diffrn_reflns_theta_full        30.65
_diffrn_reflns_theta_max         30.65
_diffrn_reflns_theta_min         2.32
_exptl_absorpt_coefficient_mu    3.782
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6100
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker Apex 2'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.638
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1128
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.720
_refine_diff_density_min         -0.727
_refine_diff_density_rms         0.094
_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     262
_refine_ls_number_reflns         7017
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.1208
_refine_ls_R_factor_gt           0.0473
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0381P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0853
_refine_ls_wR_factor_ref         0.1027
_reflns_number_gt                3782
_reflns_number_total             7017
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ce00750a.txt
_cod_data_source_block           3b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_refine_ls_hydrogen_treatment' value 'Constr' changed to 'constr'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7210540