A series of heterospin complexes based on lanthanides and pyridine biradicals: synthesis, structure and magnetic properties
Tian, Li; Zhou, Shang Yong; Li, Xin; Li, Ting; Liu, Zhong Yi; Wang, Xiuguang; RSC Adv.  (2015) –; doi:10.1039/C4RA15074K

data_7219446
_publ_section_title
;
 A series of heterospin complexes based on lanthanides and pyridine
 biradicals: synthesis, structure and magnetic properties
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C4RA15074K
_journal_year                    2015
_chemical_formula_sum            'C71.5 H68 F36 N10 O20 Pr2'
_chemical_formula_weight         2353.18
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-11-19 deposited with the CCDC.
2015-01-30 downloaded from the CCDC.
;
_cell_angle_alpha                88.786(2)
_cell_angle_beta                 80.416(2)
_cell_angle_gamma                75.270(2)
_cell_formula_units_Z            2
_cell_length_a                   12.3277(12)
_cell_length_b                   12.8508(12)
_cell_length_c                   31.587(3)
_cell_measurement_reflns_used    9952
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.13
_cell_measurement_theta_min      2.30
_cell_volume                     4770.9(8)
_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      173(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'CCD area 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  0.0551
_diffrn_reflns_av_sigmaI/netI    0.0927
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            26599
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.31
_exptl_absorpt_coefficient_mu    1.147
_exptl_absorpt_correction_T_max  0.8468
_exptl_absorpt_correction_T_min  0.8201
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.638
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2338
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.15
_refine_diff_density_max         4.150
_refine_diff_density_min         -5.056
_refine_diff_density_rms         0.224
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1432
_refine_ls_number_reflns         16665
_refine_ls_number_restraints     286
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.1100
_refine_ls_R_factor_gt           0.0978
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1959P)^2^+23.7439P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2692
_refine_ls_wR_factor_ref         0.2829
_reflns_number_gt                13625
_reflns_number_total             16665
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra15074k2.cif
_cod_data_source_block           n141014c
_cod_original_cell_volume        4770.8(8)
_cod_original_sg_symbol_H-M      P-1
_cod_original_formula_sum        'C71.50 H68 F36 N10 O20 Pr2'
_cod_database_code               7219446