Spin crossover in di-, tri- and tetranuclear, mixed-ligand tris(pyrazolyl)methane iron(ii) complexes.
Schneider, Caspar J.; Moubaraki, Boujemaa; Cashion, John D.; Turner, David R.; Leita, Benjamin A.; Batten, Stuart R.; Murray, Keith S.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 6939–6951; doi:10.1039/c0dt01725f

data_7016004
_publ_section_title
;
 Spin crossover in di-, tri- and tetranuclear, mixed-ligand
 tris(pyrazolyl)methane iron(ii) complexes.
;
_journal_issue                   26
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6939
_journal_page_last               6951
_journal_paper_doi               10.1039/c0dt01725f
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C62 H74 Fe2 N24 O2, 4(B F4), 6(C2 H3 N)'
_chemical_formula_sum            'C74 H92 B4 F16 Fe2 N30 O2'
_chemical_formula_weight         1892.72
_chemical_name_common
((Fe((3,5-Me2pz)3CH))2(p-C6H4(CH2OCH2C(pz)3)2))(BF4)4(MeCN)6
_chemical_name_systematic
;
[{Fe((3,5-Me2pz)3CH)}2(p-C6H4(CH2OCH2C(pz)3]2)](BF4)4(MeCN)6
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                116.03(3)
_cell_angle_beta                 104.63(3)
_cell_angle_gamma                94.23(3)
_cell_formula_units_Z            1
_cell_length_a                   13.451(3)
_cell_length_b                   14.795(3)
_cell_length_c                   15.885(3)
_cell_measurement_reflns_used    11833
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      1.57
_cell_volume                     2685.8(14)
_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 0.959
_diffrn_measured_fraction_theta_max 0.959
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'phi and omega scans'
_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  0.1175
_diffrn_reflns_av_sigmaI/netI    0.2263
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            26431
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.350
_exptl_absorpt_correction_T_max  0.9659
_exptl_absorpt_correction_T_min  0.8586
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SORTAV
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.170
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             978
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.910
_refine_diff_density_min         -0.721
_refine_diff_density_rms         0.176
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.249
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     559
_refine_ls_number_reflns         11833
_refine_ls_number_restraints     51
_refine_ls_restrained_S_all      1.285
_refine_ls_R_factor_all          0.3150
_refine_ls_R_factor_gt           0.1583
_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^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3848
_refine_ls_wR_factor_ref         0.4585
_reflns_number_gt                4531
_reflns_number_total             11833
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt01725f.txt
_cod_data_source_block           1.6MeCN(173K)
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Empirical' changed to
'empirical' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2685.8(10)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7016004