Unusual nitro-coordination of europium(iii) and terbium(iii) with pyridinyl ligands.
de Bettencourt-Dias, Ana; Bauer, Sebastian; Viswanathan, Subha; Maull, Brandi C.; Ako, Ayuk M.; Dalton transactions (Cambridge, England : 2003) 41 (2012) 11212–11218; doi:10.1039/c2dt31308a

data_7020086
_publ_section_title
;
 Unusual nitro-coordination of europium(iii) and terbium(iii) with
 pyridinyl ligands.
;
_journal_issue                   36
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11212
_journal_page_last               11218
_journal_paper_doi               10.1039/c2dt31308a
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C15 H10 N7 O11 Tb'
_chemical_formula_weight         623.22
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                   15.125(3)
_cell_length_b                   13.776(3)
_cell_length_c                   18.716(4)
_cell_measurement_reflns_used    8151
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.23
_cell_measurement_theta_min      2.1675
_cell_volume                     3899.7(14)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'APEX CCD detector'
_diffrn_measurement_method       'Phi and omega 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  0.0413
_diffrn_reflns_av_sigmaI/netI    0.0228
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            40763
_diffrn_reflns_theta_full        28.26
_diffrn_reflns_theta_max         28.26
_diffrn_reflns_theta_min         2.18
_diffrn_standards_decay_%        0.001
_exptl_absorpt_coefficient_mu    3.708
_exptl_absorpt_correction_T_max  0.6646
_exptl_absorpt_correction_T_min  0.5243
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS SHELXL-97 (Sheldrick, 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.123
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             2416
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.599
_refine_diff_density_min         -0.605
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.876
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     347
_refine_ls_number_reflns         4810
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.876
_refine_ls_R_factor_all          0.0311
_refine_ls_R_factor_gt           0.0273
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0278P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0959
_refine_ls_wR_factor_ref         0.1025
_reflns_number_gt                4302
_reflns_number_total             4810
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt31308a.txt
_cod_data_source_block           pbca-o42207-trial2
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        3899.8(13)
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7020086