Lanthanide-3d cyanometalate chains Ln(III)-M(III) (Ln=Pr, Nd, Sm, Eu, Gd, Tb; M=Fe) with the tridentate ligand 2,4,6-tri(2-pyridyl)-1,3,5-triazine (tptz): evidence of ferromagnetic interactions for the Sm(III)-M(III) compounds (M=Fe, Cr).
Zhao, Hanhua; Lopez, Nazario; Prosvirin, Andrey; Chifotides, Helen T.; Dunbar, Kim R.; Dalton transactions (Cambridge, England : 2003)  (2007) 878–888; doi:10.1039/b616016f

data_7005070
_publ_section_title
;
 Lanthanide-3d cyanometalate chains Ln(III)-M(III) (Ln=Pr, Nd, Sm, Eu,
 Gd, Tb; M=Fe) with the tridentate ligand
 2,4,6-tri(2-pyridyl)-1,3,5-triazine (tptz): evidence of ferromagnetic
 interactions for the Sm(III)-M(III) compounds (M=Fe, Cr).
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              878
_journal_page_last               888
_journal_paper_doi               10.1039/b616016f
_journal_year                    2007
_chemical_formula_moiety         '[Tb(tptz)(H2O)4Fe(CN)6]8H2O'
_chemical_formula_sum            'C24 H36 Fe N12 O12 Tb'
_chemical_formula_weight         899.42
_chemical_name_common
;
Catena-(trans-biscyano-tetra-agua-(2,4,6-tri(2-pyridyl)-1,3,5-
triazine)-tetracyano-iron(iii)-terbium(iii) octahydrate
;
_space_group_IT_number           15
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 103.017(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.951(4)
_cell_length_b                   14.086(4)
_cell_length_c                   31.266(8)
_cell_measurement_temperature    110(2)
_cell_volume                     6845(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.957
_diffrn_measured_fraction_theta_max 0.957
_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  0.0500
_diffrn_reflns_av_sigmaI/netI    0.0692
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            20122
_diffrn_reflns_theta_full        27.61
_diffrn_reflns_theta_max         27.61
_diffrn_reflns_theta_min         2.53
_exptl_absorpt_coefficient_mu    2.550
_exptl_absorpt_correction_T_max  0.9274
_exptl_absorpt_correction_T_min  0.8417
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.746
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3608
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.830
_refine_diff_density_min         -2.146
_refine_diff_density_rms         0.164
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     451
_refine_ls_number_reflns         7611
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0829
_refine_ls_R_factor_gt           0.0619
_refine_ls_shift/su_max          1.876
_refine_ls_shift/su_mean         0.029
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0555P)^2^+67.3035P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1339
_refine_ls_wR_factor_ref         0.1425
_reflns_number_gt                6024
_reflns_number_total             7611
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b616016f.txt
_cod_data_source_block           compound6
_cod_original_cell_volume        6844(3)
_cod_database_code               7005070