Synthesis, structures and spin crossover properties of infinite 3D frameworks of iron(II) containing organodinitrile bridging ligands.
Chainok, Kittipong; Neville, Suzanne M.; Moubaraki, Boujemaa; Batten, Stuart R.; Murray, Keith S.; Forsyth, Craig M.; Cashion, John D.; Haller, Kenneth J.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 10900–10909; doi:10.1039/c0dt00447b

data_7026462
_publ_section_title
;
 Synthesis, structures and spin crossover properties of infinite 3D
 frameworks of iron(II) containing organodinitrile bridging ligands.
;
_journal_issue                   45
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10900
_journal_page_last               10909
_journal_paper_doi               10.1039/c0dt00447b
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C24 H36 Fe N12, 2(Cl4 Fe)'
_chemical_formula_sum            'C24 H36 Cl8 Fe3 N12'
_chemical_formula_weight         943.80
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_Int_Tables_number      148
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            6
_cell_length_a                   14.4521(2)
_cell_length_b                   14.4521(2)
_cell_length_c                   36.3458(11)
_cell_measurement_reflns_used    14219
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      1.68
_cell_volume                     6574.3(2)
_computing_cell_refinement       'Bruker Apex2 v2.0 (Bruker AXS, 2005)'
_computing_data_collection       'Bruker Apex2 v2.0 (Bruker AXS, 2005)'
_computing_data_reduction        'Bruker Apex2 v2.0 (Bruker AXS, 2005)'
_computing_molecular_graphics
'X-Seed (Barbour, 2001) ORTEP (Burnett & Johnson, 1996)'
_computing_publication_material  'CIFTAB (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      103(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker X8 APEX CCD'
_diffrn_measurement_method       '0.5 deg frames 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_radiation_wavelength_id  all
_diffrn_reflns_av_R_equivalents  0.0318
_diffrn_reflns_av_sigmaI/netI    0.0277
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       45
_diffrn_reflns_limit_l_min       -47
_diffrn_reflns_number            14219
_diffrn_reflns_reduction_process
;
Lorentz and polarization correction applied
;
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.68
_exptl_absorpt_coefficient_mu    1.499
_exptl_absorpt_correction_T_max  0.8230
_exptl_absorpt_correction_T_min  0.8230
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Sheldrick, 1997'
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.430
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2868
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.13
_refine_diff_density_max         1.347
_refine_diff_density_min         -1.241
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   1.036
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     143
_refine_ls_number_reflns         3369
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0500
_refine_ls_R_factor_gt           0.0418
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0212P)^2^+30.1099P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0851
_refine_ls_wR_factor_ref         0.0896
_reflns_number_gt                2878
_reflns_number_total             3369
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c0dt00447b.txt
_cod_data_source_block           2_103K
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'R -3'
_cod_original_formula_sum        'C24 H36 Cl8 Fe3 N12 '
_cod_database_code               7026462