Effects of Ligand Geometry on the Photophysical Properties of Photoluminescent Eu(III) and Sm(III) 1-Hydroxypyridin-2-one Complexes in Aqueous Solution.
Daumann, Lena J.; Tatum, David S.; Andolina, Christopher M.; Pacold, Joseph I.; D'Aléo, Anthony; Law, Ga-Lai; Xu, Jide; Raymond, Kenneth N.; Inorganic chemistry 55 (2016) 114–124; doi:10.1021/acs.inorgchem.5b01927

data_4344819
_publ_section_title
;
 Effects of Ligand Geometry on the Photophysical Properties of
 Photoluminescent Eu(III) and Sm(III) 1-Hydroxypyridin-2-one Complexes in
 Aqueous Solution.
;
_journal_issue                   1
_journal_name_full               'Inorganic chemistry'
_journal_page_first              114
_journal_page_last               124
_journal_paper_doi               10.1021/acs.inorgchem.5b01927
_journal_volume                  55
_journal_year                    2016
_chemical_formula_moiety         'C28 H24 N8 O12 Sm, C5 H6 N'
_chemical_formula_sum            'C33 H30 N9 O12 Sm'
_chemical_formula_weight         895.01
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.473(8)
_cell_length_b                   8.794(3)
_cell_length_c                   36.244(12)
_cell_measurement_reflns_used    9846
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      2.72
_cell_volume                     7482(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP-32
_computing_publication_material  WinGX
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    SIR-2004
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-I CCD'
_diffrn_measurement_method       '\f and \w 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  0.0511
_diffrn_reflns_av_sigmaI/netI    0.0230
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            155952
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.36
_diffrn_reflns_theta_min         1.12
_exptl_absorpt_coefficient_mu    1.643
_exptl_absorpt_correction_T_max  0.8529
_exptl_absorpt_correction_T_min  0.7347
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.589
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3592
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_platon_squeeze_details
;
;
_refine_diff_density_max         0.782
_refine_diff_density_min         -0.488
_refine_diff_density_rms         0.054
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.290(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.996
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     991
_refine_ls_number_reflns         13706
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.996
_refine_ls_R_factor_all          0.0250
_refine_ls_R_factor_gt           0.0236
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0230P)^2^+8.0800P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0542
_refine_ls_wR_factor_ref         0.0551
_reflns_number_gt                13111
_reflns_number_total             13706
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic5b01927_si_004.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               4344819