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_4344817
_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 Eu N8 O12, C5 H6 N'
_chemical_formula_sum            'C33 H30 Eu N9 O12'
_chemical_formula_weight         896.62
_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                   23.3951(10)
_cell_length_b                   8.7670(4)
_cell_length_c                   36.0400(15)
_cell_measurement_reflns_used    9245
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.36
_cell_measurement_theta_min      2.73
_cell_volume                     7392.0(6)
_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
_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 1.000
_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  0.0304
_diffrn_reflns_av_sigmaI/netI    0.0151
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            156962
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.37
_diffrn_reflns_theta_min         1.13
_exptl_absorpt_coefficient_mu    1.771
_exptl_absorpt_correction_T_max  0.7770
_exptl_absorpt_correction_T_min  0.4016
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.611
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             3600
_exptl_crystal_size_max          0.63
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_platon_squeeze_details
;
;
_refine_diff_density_max         0.552
_refine_diff_density_min         -0.735
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.458(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     991
_refine_ls_number_reflns         13563
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0218
_refine_ls_R_factor_gt           0.0213
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0162P)^2^+10.5595P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0484
_refine_ls_wR_factor_ref         0.0486
_reflns_number_gt                13348
_reflns_number_total             13563
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic5b01927_si_002.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               4344817