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_7016005
_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
;
C66 H76 Fe2 N24 O2, 2.5(C2 H3 N), 2(C4 H10 O2), 4(B F4)
;
_chemical_formula_sum            'C79 H103.5 B4 F16 Fe2 N26.5 O6'
_chemical_formula_weight         1979.32
_chemical_name_common
;((Fe((3,5-
Me2pz)3CH))2(C10H(CH2OCH2C(pz)3)2))(BF4)4(MeCN)2.5(DME)2
;
_chemical_name_systematic
;
[{Fe((3,5-Me2pz)3CH)}2(C10H(CH2OCH2C(pz)3]2)](BF4)4(MeCN)2.5(DME)2
;
_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                69.346(3)
_cell_angle_beta                 82.768(3)
_cell_angle_gamma                70.093(3)
_cell_formula_units_Z            2
_cell_length_a                   14.1238(6)
_cell_length_b                   16.4661(9)
_cell_length_c                   23.0010(12)
_cell_measurement_reflns_used    16557
_cell_measurement_temperature    123(1)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      1.71
_cell_volume                     4706.2(4)
_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      123(1)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0687
_diffrn_reflns_av_sigmaI/netI    0.0518
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            93505
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.71
_exptl_absorpt_coefficient_mu    0.404
_exptl_absorpt_correction_T_max  0.9607
_exptl_absorpt_correction_T_min  0.8883
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SORTAV
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.397
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2054
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.661
_refine_diff_density_min         -0.705
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1235
_refine_ls_number_reflns         16557
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.1097
_refine_ls_R_factor_gt           0.0740
_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^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2059
_refine_ls_wR_factor_ref         0.2365
_reflns_number_gt                11410
_reflns_number_total             16557
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt01725f.txt
_cod_data_source_block           2.2.5MeCN.2DME
_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_sg_symbol_H-M      P-1
_cod_original_formula_sum        'C79 H103.50 B4 F16 Fe2 N26.50 O6'
_cod_database_code               7016005