Facile synthesis of highly biocompatible folic acid-functionalized SiO2 encapsulated rare-earth metal complexes nanoparticles and its application on targeted metal-based complex delivery
Xu, Xiu ling; Hu, Fan; Shuai, Qi; Dalton Trans.  (2017) –; doi:10.1039/C7DT03000B

data_7044490
_publ_section_title
;
 Facile synthesis of highly biocompatible folic acid-functionalized SiO2
 encapsulated rare-earth metal complexes nanoparticles and its application
 on targeted metal-based complex delivery
;
_journal_name_full               'Dalton Trans.'
_journal_paper_doi               10.1039/C7DT03000B
_journal_year                    2017
_chemical_formula_sum            'C48 H48 Cl6 Ho2 O24'
_chemical_formula_weight         1551.42
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-07-11 deposited with the CCDC.
2017-10-18 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.565(3)
_cell_length_b                   9.341(2)
_cell_length_c                   40.155(8)
_cell_measurement_reflns_used    9210
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      2.46
_cell_volume                     5463(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0432
_diffrn_reflns_av_sigmaI/netI    0.0383
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       53
_diffrn_reflns_limit_l_min       -52
_diffrn_reflns_number            33412
_diffrn_reflns_theta_full        28.38
_diffrn_reflns_theta_max         28.38
_diffrn_reflns_theta_min         1.01
_exptl_absorpt_coefficient_mu    3.253
_exptl_absorpt_correction_T_max  0.4628
_exptl_absorpt_correction_T_min  0.4420
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.886
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             3056
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.28
_refine_diff_density_max         2.814
_refine_diff_density_min         -3.647
_refine_diff_density_rms         0.455
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.110
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         6796
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.110
_refine_ls_R_factor_all          0.0794
_refine_ls_R_factor_gt           0.0715
_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^)+(0.1412P)^2^+94.7366P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2484
_refine_ls_wR_factor_ref         0.2557
_reflns_number_gt                5920
_reflns_number_total             6796
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7dt03000b2.cif
_cod_data_source_block           cl34
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7044490