Two series of reactant's ratio-dependent lanthanide organic frameworks derived from nicotinic acid N-oxide and oxalate: synthesis, crystal structures and luminescence properties.
Yu, Yanyan; Zhang, Lijuan; Zhou, Yunshan; Zuhra, Zareen; Dalton transactions (Cambridge, England : 2003) 44 (2015) 4601–4612; doi:10.1039/c4dt03668a

data_7033683
_publ_section_title
;
 Two series of reactant's ratio-dependent lanthanide organic frameworks
 derived from nicotinic acid N-oxide and oxalate: synthesis, crystal
 structures and luminescence properties.
;
_journal_issue                   10
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4601
_journal_page_last               4612
_journal_paper_doi               10.1039/c4dt03668a
_journal_volume                  44
_journal_year                    2015
_chemical_formula_sum            'C16 H16 Eu2 N2 O18'
_chemical_formula_weight         828.23
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_doi                 10.5517/cc1382dv
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-08-22 deposited with the CCDC.
2015-01-19 downloaded from the CCDC.
;
_cell_angle_alpha                75.470(16)
_cell_angle_beta                 71.695(15)
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_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.8162
_cell_measurement_theta_min      3.2094
_cell_volume                     530.43(16)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 16.0971
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_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    0.0449
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
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_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            3924
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.22
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_exptl_absorpt_coefficient_mu    5.961
_exptl_absorpt_correction_T_max  0.2679
_exptl_absorpt_correction_T_min  0.1990
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    2.593
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             396
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.35
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_refine_ls_extinction_method     none
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_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0264P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0572
_refine_ls_wR_factor_ref         0.0579
_reflns_number_gt                1978
_reflns_number_total             2084
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt03668a2.cif
_cod_data_source_block           1
_cod_depositor_comments
'Adding full bibliography for 7033683--7033684.cif.'
_cod_original_cell_volume        530.44(15)
_cod_database_code               7033683