Formation of third generation poly(pyrazolyl)borate ligands from alkyne coupling reactions of Fe[(p-IC6H4)B(3-Rpz)3]2 (R = H, Me; pz = pyrazolyl): pathways toward controlling an iron(II) electronic spin-state crossover.
Reger, Daniel L.; Gardinier, James R.; Gemmill, William R.; Smith, Mark D.; Shahin, Ahmed M.; Long, Gary J.; Rebbouh, Leila; Grandjean, Fernande; Journal of the American Chemical Society 127 (2005) 2303–2316; doi:10.1021/ja044900h

data_4129225
_publ_section_title
;
 Formation of third generation poly(pyrazolyl)borate ligands from alkyne
 coupling reactions of Fe[(p-IC6H4)B(3-Rpz)3]2 (R = H, Me; pz =
 pyrazolyl): pathways toward controlling an iron(II) electronic spin-state
 crossover.
;
_journal_issue                   7
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2303
_journal_page_last               2316
_journal_paper_doi               10.1021/ja044900h
_journal_volume                  127
_journal_year                    2005
_chemical_formula_moiety         'C52 H48 B2 Fe N12'
_chemical_formula_sum            'C52 H48 B2 Fe N12'
_chemical_formula_weight         918.49
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 120.6730(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   25.9570(12)
_cell_length_b                   10.0679(5)
_cell_length_c                   21.0622(10)
_cell_measurement_reflns_used    6527
_cell_measurement_temperature    294(1)
_cell_measurement_theta_max      26.056
_cell_measurement_theta_min      2.219
_cell_volume                     4734.2(4)
_computing_cell_refinement       'SAINT+ NT V6.22 (Bruker, 2001)'
_computing_data_collection       'SMART NT V5.625 (Bruker, 1998)'
_computing_data_reduction        'SAINT+ NT V6.22'
_computing_molecular_graphics    'SHELXTL V6.1 (Sheldrick, 2000)'
_computing_publication_material  'SHELXTL V6.1'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(1)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART APEX CCD diffractometer'
_diffrn_measurement_method       '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  0.0468
_diffrn_reflns_av_sigmaI/netI    0.0459
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            17665
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.82
_diffrn_standards_decay_%        none
_exptl_absorpt_coefficient_mu    0.369
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.289
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1920
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.353
_refine_diff_density_min         -0.187
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.972
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     306
_refine_ls_number_reflns         4185
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.972
_refine_ls_R_factor_all          0.0617
_refine_ls_R_factor_gt           0.0443
_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^)+(0.0541P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1009
_refine_ls_wR_factor_ref         0.1064
_reflns_number_gt                3004
_reflns_number_total             4185
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja044900hsi20040819_021033.cif
_cod_data_source_block           jg141am
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4129225