A europium complex with enhanced long-wavelength sensitized luminescent properties.
Xue, Fumin; Ma, Yan; Fu, Limin; Hao, Rui; Shao, Guangsheng; Tang, Minxian; Zhang, Jianping; Wang, Yuan; Physical chemistry chemical physics : PCCP 12 (2010) 3195–3202; doi:10.1039/b920448b

data_7212136
_publ_section_title
;
 A europium complex with enhanced long-wavelength sensitized luminescent
 properties.
;
_journal_issue                   13
_journal_name_full               'Physical chemistry chemical physics : PCCP'
_journal_page_first              3195
_journal_page_last               3202
_journal_paper_doi               10.1039/b920448b
_journal_volume                  12
_journal_year                    2010
_chemical_formula_moiety         'C23 H28 N8'
_chemical_formula_sum            'C23 H28 N8'
_chemical_formula_weight         416.53
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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            4
_cell_length_a                   16.807(3)
_cell_length_b                   16.647(3)
_cell_length_c                   7.6875(15)
_cell_measurement_temperature    296(2)
_cell_volume                     2150.9(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0750
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1489
_diffrn_reflns_theta_full        23.00
_diffrn_reflns_theta_max         23.00
_diffrn_reflns_theta_min         3.45
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.9878
_exptl_absorpt_correction_T_min  0.9631
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.212
_refine_diff_density_min         -0.201
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.875
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     143
_refine_ls_number_reflns         1489
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.875
_refine_ls_R_factor_all          0.0961
_refine_ls_R_factor_gt           0.0568
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0910P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1517
_refine_ls_wR_factor_ref         0.1644
_reflns_number_gt                808
_reflns_number_total             1489
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b920448b.txt
_cod_data_source_block           ligand_dpbt
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      Pbcn
_cod_database_code               7212136