Tuning of inter- versus intrachain magnetic interactions in cyano-bridged Ni(II)/M(III) (M = Cr, Fe, Co) chain complexes.
Atanasov, Mihail; Comba, Peter; Förster, Sebastian; Linti, Gerald; Malcherek, Thomas; Miletich, Ronald; Prikhod'ko, Alexander I.; Wadepohl, Hubert; Inorganic chemistry 45 (2006) 7722–7735; doi:10.1021/ic060453q

data_4350317
_publ_section_title
;
 Tuning of inter- versus intrachain magnetic interactions in cyano-bridged
 Ni(II)/M(III) (M = Cr, Fe, Co) chain complexes.
;
_journal_issue                   19
_journal_name_full               'Inorganic chemistry'
_journal_page_first              7722
_journal_page_last               7735
_journal_paper_doi               10.1021/ic060453q
_journal_volume                  45
_journal_year                    2006
_chemical_formula_sum            'C18 H36 Cr Li N16 Ni O5'
_chemical_formula_weight         674.28
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      29
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     heavy
_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            4
_cell_length_a                   25.3210(12)
_cell_length_b                   10.5408(5)
_cell_length_c                   11.8223(5)
_cell_measurement_temperature    100(2)
_cell_volume                     3155.4(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'PLATON (Spek, 1980-2005)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'DIRDIF (Beurskens, 1999)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       omega-scans
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0449
_diffrn_reflns_av_sigmaI/netI    0.0485
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            27056
_diffrn_reflns_theta_full        30.03
_diffrn_reflns_theta_max         30.03
_diffrn_reflns_theta_min         1.61
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.996
_exptl_absorpt_correction_T_max  0.8650
_exptl_absorpt_correction_T_min  0.7888
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1404
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.075
_refine_diff_density_min         -0.350
_refine_diff_density_rms         0.086
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.427(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     393
_refine_ls_number_reflns         8590
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0650
_refine_ls_R_factor_gt           0.0439
_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^)+(0.0688P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1130
_refine_ls_wR_factor_ref         0.1232
_reflns_number_gt                6395
_reflns_number_total             8590
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic060453qsi20060316_034012.cif
_cod_data_source_block           co_ap4bb
_cod_database_code               4350317