Luminescence and slow magnetic relaxation of isostructural 2D lanthanide metal-organic frameworks derived from both nicotinate N-oxide and glutarate
Liu, Cai-Ming; Zhang, Deqing; Hao, Xiang; Zhu, Daoben; RSC Adv.  (2015) –; doi:10.1039/C5RA19682E

data_7223019
_publ_section_title
;
 Luminescence and slow magnetic relaxation of isostructural 2D lanthanide
 metal-organic frameworks derived from both nicotinate N-oxide and
 glutarate
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA19682E
_journal_year                    2015
_chemical_formula_sum            'C11 H10.5 Eu N O7.25'
_chemical_formula_weight         424.66
_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
_audit_update_record
;
2015-09-17 deposited with the CCDC.
2015-10-22 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 92.06(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.546(2)
_cell_length_b                   11.409(2)
_cell_length_c                   18.076(4)
_cell_measurement_reflns_used    3933
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.4643
_cell_measurement_theta_min      2.2550
_cell_volume                     2379.6(8)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean '15x15 microns'
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'CCD area dtetector'
_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  0.0261
_diffrn_reflns_av_sigmaI/netI    0.0234
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            7690
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         3.33
_exptl_absorpt_coefficient_mu    5.308
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.47448
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    2.371
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1636
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.878
_refine_diff_density_min         -0.941
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.138
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     186
_refine_ls_number_reflns         2705
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.143
_refine_ls_R_factor_all          0.0248
_refine_ls_R_factor_gt           0.0241
_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^)+(0.0133P)^2^+18.7241P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0549
_refine_ls_wR_factor_ref         0.0552
_reflns_number_gt                2658
_reflns_number_total             2705
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra19682e2.cif
_cod_data_source_block           1
_cod_original_cell_volume        2379.7(8)
_cod_original_sg_symbol_H-M      C2/c
_cod_original_formula_sum        'C11 H10.50 Eu N O7.25'
_cod_database_code               7223019