Phase selectivity and tunable photophysical nature of rare earth metal-organic frameworks of Eu<sub> <i>x</i> </sub>Y<sub>1-<i>x</i></sub>-PTC (H<sub>3</sub>PTC = 2,4,6-pyridine tricarboxylic acid; <i>x</i> = 0-1).
Gao, Xu-Sheng; Ding, Mei-Juan; Zhang, Jin; Zhao, Li-Duo; Ren, Xiao-Ming; Dalton transactions (Cambridge, England : 2003) 49 (2020) 14985–14994; doi:10.1039/d0dt03150j

data_7705620
_publ_section_title
;
 Phase selectivity and tunable photophysical nature of rare earth
 metal-organic frameworks of Eu<sub> <i>x</i>
 </sub>Y<sub>1-<i>x</i></sub>-PTC (H<sub>3</sub>PTC = 2,4,6-pyridine
 tricarboxylic acid; <i>x</i> = 0-1).
;
_journal_issue                   42
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14985
_journal_page_last               14994
_journal_paper_doi               10.1039/d0dt03150j
_journal_volume                  49
_journal_year                    2020
_chemical_formula_sum            'C16 H16 Eu0.79 N2 O18 Y1.21'
_chemical_formula_weight         751.66
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2019-11-27 deposited with the CCDC.	2020-10-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 112.1762(14)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.3663(7)
_cell_length_b                   6.8962(3)
_cell_length_c                   18.4474(7)
_cell_measurement_reflns_used    9822
_cell_measurement_temperature    301(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.95
_cell_volume                     2163.67(15)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      301(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0250
_diffrn_reflns_av_unetI/netI     0.0139
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            36684
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.508
_diffrn_reflns_theta_min         3.186
_exptl_absorpt_coefficient_mu    5.598
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.307
_exptl_crystal_description       block
_exptl_crystal_F_000             1467.4
_refine_diff_density_max         0.396
_refine_diff_density_min         -0.632
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.151
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     409
_refine_ls_number_reflns         4915
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.151
_refine_ls_R_factor_all          0.0164
_refine_ls_R_factor_gt           0.0149
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0111P)^2^+1.2211P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0326
_refine_ls_wR_factor_ref         0.0330
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4684
_reflns_number_total             4958
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0dt03150j2.cif
_cod_data_source_block           1_CCDC1
_cod_depositor_comments
'Adding full bibliography for 7705619--7705631.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7705620
_shelx_shelxl_version_number     2016/6
_shelx_res_checksum              57705