Luminescent europium and terbium complexes of dipyridoquinoxaline and dipyridophenazine ligands as photosensitizing antennae: structures and biological perspectives.
Dasari, Srikanth; Patra, Ashis K.; Dalton transactions (Cambridge, England : 2003) 44 (2015) 19844–19855; doi:10.1039/c5dt02852c

data_7036841
_publ_section_title
;
 Luminescent europium and terbium complexes of dipyridoquinoxaline and
 dipyridophenazine ligands as photosensitizing antennae: structures and
 biological perspectives.
;
_journal_issue                   46
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              19844
_journal_page_last               19855
_journal_paper_doi               10.1039/c5dt02852c
_journal_volume                  44
_journal_year                    2015
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C20 H22 Eu N9 O11'
_chemical_formula_sum            'C20 H22 Eu N9 O11'
_chemical_formula_weight         716.43
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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
;
2015-05-21 deposited with the CCDC.
2015-10-12 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 109.75(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.520(3)
_cell_length_b                   21.290(4)
_cell_length_c                   8.3672(17)
_cell_measurement_reflns_used    2670
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.27
_cell_measurement_theta_min      2.67
_cell_volume                     2602.1(10)
_computing_cell_refinement       'Bruker APEX II V2012.4-3'
_computing_data_collection       'Bruker APEX II V2012.4-3'
_computing_data_reduction        'Bruker APEX II V2012.4-3'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 19907)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker P4'
_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  0.0520
_diffrn_reflns_av_sigmaI/netI    0.0480
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            9861
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         1.69
_exptl_absorpt_coefficient_mu    2.487
_exptl_absorpt_correction_T_max  0.6361
_exptl_absorpt_correction_T_min  0.5985
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS(Sheldrick,1997)
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.829
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Rectangular
_exptl_crystal_F_000             1424
_exptl_crystal_recrystallization_method 'Layering DMF to Et2O'
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.20
_refine_diff_density_max         2.078
_refine_diff_density_min         -1.028
_refine_diff_density_rms         0.165
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.151
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     189
_refine_ls_number_reflns         2535
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.151
_refine_ls_R_factor_all          0.0464
_refine_ls_R_factor_gt           0.0353
_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^)+(0.0239P)^2^+19.9098P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0707
_refine_ls_wR_factor_ref         0.0889
_reflns_number_gt                2236
_reflns_number_total             2535
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt02852c2.cif
_cod_data_source_block           EuDPQ
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 7036841--7036844.cif.
;
_cod_original_cell_volume        2602.1(9)
_cod_original_sg_symbol_H-M      'C2/c  '
_cod_database_code               7036841