Deprotonation-triggered stokes shift fluorescence of an unexpected basic-stable metal-organic framework.
Zhao, Nian; Sun, Fuxing; Zhang, Shixing; He, Hongming; Liu, Jia; Li, Qin; Zhu, Guangshan; Inorganic chemistry 54 (2015) 65–68; doi:10.1021/ic501560z

data_4341923
_publ_section_title
;
 Deprotonation-triggered stokes shift fluorescence of an unexpected
 basic-stable metal-organic framework.
;
_journal_issue                   1
_journal_name_full               'Inorganic chemistry'
_journal_page_first              65
_journal_page_last               68
_journal_paper_doi               10.1021/ic501560z
_journal_volume                  54
_journal_year                    2015
_chemical_formula_sum            'C24 H9 Eu O10'
_chemical_formula_weight         609.27
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                82.710(2)
_cell_angle_beta                 75.9110(10)
_cell_angle_gamma                77.542(2)
_cell_formula_units_Z            2
_cell_length_a                   10.2187(10)
_cell_length_b                   11.5176(11)
_cell_length_c                   16.3127(16)
_cell_measurement_temperature    293(2)
_cell_volume                     1812.7(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0229
_diffrn_reflns_av_sigmaI/netI    0.0505
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            9134
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.29
_exptl_absorpt_coefficient_mu    1.766
_exptl_crystal_density_diffrn    1.116
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_platon_squeeze_details
;
;
_refine_diff_density_max         1.690
_refine_diff_density_min         -0.932
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         6348
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0444
_refine_ls_R_factor_gt           0.0379
_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^)+(0.0608P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1048
_refine_ls_wR_factor_ref         0.1071
_reflns_number_gt                5375
_reflns_number_total             6348
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic501560z_si_001.cif
_cod_data_source_block           1
_cod_depositor_comments          'Adding full bibliography for 4341923.cif.'
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4341923