Synthesis, crystal structure, and magnetic studies of one-dimensional cyano-bridged Ln3±Cr3+ complexes with bpy as a blocking ligand.
Estrader, Marta; Ribas, Joan; Tangoulis, Vassilis; Solans, Xavier; Font-Bardía, Merce; Maestro, Miguel; Diaz, Carmen; Inorganic chemistry 45 (2006) 8239–8250; doi:10.1021/ic060942q

data_4350464
_publ_section_title
;
 Synthesis, crystal structure, and magnetic studies of one-dimensional
 cyano-bridged Ln3+-Cr3+ complexes with bpy as a blocking ligand.
;
_journal_issue                   20
_journal_name_full               'Inorganic chemistry'
_journal_page_first              8239
_journal_page_last               8250
_journal_paper_doi               10.1021/ic060942q
_journal_volume                  45
_journal_year                    2006
_chemical_formula_moiety
'C26 H22 Pr Cr N10 O3, 7/2(C10 H8 N2), 4(H2 O)'
_chemical_formula_sum            'C61 H58 Cr N17 O7 Pr'
_chemical_formula_weight         1334.15
_space_group_IT_number           55
_space_group_name_Hall           '-P 2 2ab'
_space_group_name_H-M_alt        'P b a m'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P b a m'
_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                   25.419(8)
_cell_length_b                   20.927(6)
_cell_length_c                   22.805(9)
_cell_measurement_reflns_used    26
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      31
_cell_measurement_theta_min      3
_cell_volume                     12131(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.827
_diffrn_measured_fraction_theta_max 0.827
_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  0.1734
_diffrn_reflns_av_sigmaI/netI    0.1181
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            18476
_diffrn_reflns_theta_full        32.45
_diffrn_reflns_theta_max         32.45
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    1.040
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow-green
_exptl_crystal_density_diffrn    1.460
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             5456
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.290
_refine_diff_density_min         -1.651
_refine_diff_density_rms         0.123
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.212
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     796
_refine_ls_number_reflns         18476
_refine_ls_number_restraints     27
_refine_ls_restrained_S_all      1.214
_refine_ls_R_factor_all          0.1986
_refine_ls_R_factor_gt           0.1153
_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^)+(0.0739P)^2^+38.5534P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2364
_refine_ls_wR_factor_ref         0.2731
_reflns_number_gt                11616
_reflns_number_total             18476
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic060942qsi20060630_104750.cif
_cod_data_source_block           complex_3
_cod_original_sg_symbol_H-M      Pbam
_cod_database_code               4350464