Three sra topological lanthanide-organic frameworks built from 2,2'-dimethoxy-4,4'-biphenyldicarboxylic acid.
Wang, Xin; Zhao, Jie; Zhao, Yan; Xu, Heng; Shen, Xuan; Zhu, Dun-Ru; Jing, Su; Dalton transactions (Cambridge, England : 2003) 44 (2015) 9281–9288; doi:10.1039/c5dt00602c

data_7034950
_publ_section_title
;
 Three sra topological lanthanide-organic frameworks built from
 2,2'-dimethoxy-4,4'-biphenyldicarboxylic acid.
;
_journal_issue                   19
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9281
_journal_page_last               9288
_journal_paper_doi               10.1039/c5dt00602c
_journal_volume                  44
_journal_year                    2015
_chemical_formula_moiety         'C20 H20 Eu N O9'
_chemical_formula_sum            'C20 H20 Eu N O9'
_chemical_formula_weight         570.33
_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
_audit_update_record
;
2013-12-13 deposited with the CCDC.
2015-04-16 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   28.044(2)
_cell_length_b                   9.6262(7)
_cell_length_c                   8.2546(6)
_cell_measurement_reflns_used    3230
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      26.91
_cell_measurement_theta_min      1.46
_cell_volume                     2228.4(3)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_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 Apex2 CCD'
_diffrn_measurement_method       '\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  0.0409
_diffrn_reflns_av_sigmaI/netI    0.0406
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            15199
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.45
_exptl_absorpt_coefficient_mu    2.864
_exptl_absorpt_correction_T_max  0.8033
_exptl_absorpt_correction_T_min  0.5465
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2003)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.700
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1128
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.345
_refine_diff_density_min         -0.332
_refine_diff_density_rms         0.067
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.003(15)
_refine_ls_extinction_coef       0.00076(10)
_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   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         3691
_refine_ls_number_restraints     26
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0328
_refine_ls_R_factor_gt           0.0255
_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^)+(0.0164P)^2^+0.1649P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0496
_refine_ls_wR_factor_ref         0.0519
_reflns_number_gt                3178
_reflns_number_total             3691
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt00602c2.cif
_cod_data_source_block           xh4-eu
_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.

Automatic conversion script
Id: cif_fix_values 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 7034950--7034952.cif.
;
_cod_original_sg_symbol_Hall     'P 2c -2n  '
_cod_original_sg_symbol_H-M      'Pna21 '
_cod_database_code               7034950