Spiral frameworks firstly constructed by 1,2-phenylene-dioxydiacetic acid as highly sensitive and selective luminescent probes to detect PO43- ions in aqueous solutions
Gao, Enjun; Sun, Na; Zhan, Yang; Qiu, Xue; Ding, Yuqing; Zhang, Shaozhong; Zhu, Mingchang; RSC Adv.  (2016) –; doi:10.1039/C6RA13361D

data_7226371
_publ_section_title
;
 Spiral frameworks firstly constructed by 1,2-phenylene-dioxydiacetic acid
 as highly sensitive and selective luminescent probes to detect PO43- ions
 in aqueous solutions
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA13361D
_journal_year                    2016
_chemical_formula_sum            'C10 H12 La N O11'
_chemical_formula_weight         461.12
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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
;
2016-04-07 deposited with the CCDC.
2016-08-24 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 115.294(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.489(6)
_cell_length_b                   6.174(2)
_cell_length_c                   16.745(7)
_cell_measurement_reflns_used    6756
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.08
_cell_measurement_theta_min      2.42
_cell_volume                     1447.8(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  CCD
_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  0.0192
_diffrn_reflns_av_sigmaI/netI    0.0200
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            8831
_diffrn_reflns_theta_full        25.40
_diffrn_reflns_theta_max         25.40
_diffrn_reflns_theta_min         1.45
_exptl_absorpt_coefficient_mu    3.011
_exptl_absorpt_correction_T_max  0.6132
_exptl_absorpt_correction_T_min  0.5571
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.115
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.524
_refine_diff_density_min         -0.317
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         2607
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0163
_refine_ls_R_factor_gt           0.0154
_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^)+(0.0116P)^2^+1.3248P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0366
_refine_ls_wR_factor_ref         0.0371
_reflns_number_gt                2489
_reflns_number_total             2607
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra13361d2.cif
_cod_data_source_block           1
_cod_original_cell_volume        1447.9(10)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7226371