(4,4'-Bipyridyl-κ<i>N</i>)tetrakis(nitrato-κ^2^<i>N</i>,<i>N</i>')[4-(4-pyridyl)pyridinium-κ<i>N</i>^1^]europium(III)
Zeng, Xi-Rui; Liu, Yin-Qiu; Huang Lin; Xu, Ya-Ping; Acta Crystallographica Section E 63 (2007) m1929–m1929; doi:10.1107/S1600536807022982

data_2214240
_publ_section_title
(4,4'-Bipyridyl-\k<i>N</i>)tetrakis(nitrato-\k^2^<i>N</i>,<i>N</i>')[4-(4-pyridyl)pyridinium-\k<i>N</i>^1^]europium(III)
_journal_coeditor_code           HG2235
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m1929
_journal_page_last               m1929
_journal_paper_doi               10.1107/S1600536807022982
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          '[Eu (N O3)4 (C10 H9 N2) (C10 H8 N2)]'
_chemical_formula_moiety         'C20 H17 Eu N8 O12'
_chemical_formula_sum            'C20 H17 Eu N8 O12'
_chemical_formula_weight         713.38
_chemical_name_systematic
;
(4,4'-Bipyridyl-\kN)[4'-(4-pyridyl)pyridinium-\kN^1'^]tetrakis(nitrato-
\k^2^N,N')europium(III)
;
_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           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 118.834(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.136(5)
_cell_length_b                   7.8079(14)
_cell_length_c                   18.310(3)
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.40
_cell_measurement_theta_min      2.10
_cell_volume                     2521.8(9)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    SHELXL97
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'Bruker APEXII area-detector'
_diffrn_measurement_method       '\f and \w'
_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  0.0512
_diffrn_reflns_av_sigmaI/netI    0.0309
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            7437
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         25.24
_diffrn_reflns_theta_min         2.31
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.568
_exptl_absorpt_correction_T_max  0.6185
_exptl_absorpt_correction_T_min  0.5334
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2004)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.879
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1408
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.499
_refine_diff_density_min         -0.556
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         2211
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0185
_refine_ls_R_factor_gt           0.0179
_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^)+(0.031P)^2^+0.9897P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0487
_refine_ls_wR_factor_ref         0.0489
_reflns_number_gt                2153
_reflns_number_total             2211
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hg2235.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2214240
_cod_database_fobs_code          2214240