Crown-linked dipyridylamino-triazine ligands and their spin-crossover iron(ii) derivatives: magnetism, photomagnetism and cooperativity.
Scott, Hayley S.; Ross, Tamsyn M.; Chilton, Nicholas F.; Gass, Ian A.; Moubaraki, Boujemaa; Chastanet, Guillaume; Paradis, Nicolas; Lètard, Jean-François; Vignesh, Kuduva R.; Rajaraman, Gopalan; Batten, Stuart R.; Murray, Keith S.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 16494–16509; doi:10.1039/c3dt51839f

data_7023905
_publ_section_title
;
 Crown-linked dipyridylamino-triazine ligands and their spin-crossover
 iron(ii) derivatives: magnetism, photomagnetism and cooperativity.
;
_journal_issue                   47
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              16494
_journal_page_last               16509
_journal_paper_doi               10.1039/c3dt51839f
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety
;
C48 H60 Fe N18 O4 Se2
;
_chemical_formula_sum            'C48 H60 Fe N18 O4 Se2'
_chemical_formula_weight         1166.91
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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            4
_cell_length_a                   16.781(3)
_cell_length_b                   19.268(4)
_cell_length_c                   17.107(3)
_cell_measurement_reflns_used    21886
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.7
_cell_measurement_theta_min      0.41
_cell_volume                     5531.3(18)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Hooft, 1999)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'X-Seed (Barbour, 1999)'
_computing_publication_material  'CIFTAB (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.951
_diffrn_measured_fraction_theta_max 0.944
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'scans in phi and omega'
_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  0.1338
_diffrn_reflns_av_sigmaI/netI    0.1671
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            20679
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         28.57
_diffrn_reflns_theta_min         1.61
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.648
_exptl_absorpt_correction_T_max  0.848
_exptl_absorpt_correction_T_min  0.680
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SORTAV
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.401
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2400
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_platon_squeeze_details
;
This could amount to a large number of partially occupied water,
methanol or dichloromethane and so can not be specified
;
_refine_diff_density_max         0.828
_refine_diff_density_min         -0.790
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.946
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     332
_refine_ls_number_reflns         6673
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.946
_refine_ls_R_factor_all          0.1933
_refine_ls_R_factor_gt           0.0855
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1033P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1813
_refine_ls_wR_factor_ref         0.2171
_reflns_number_gt                3035
_reflns_number_total             6673
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51839f.txt
_cod_data_source_block           platon
_cod_original_cell_volume        5531.3(19)
_cod_original_sg_symbol_H-M      Pbcn
_cod_database_code               7023905