A Second-Generation Janus Scorpionate Ligand: Controlling Coordination Modes in Iron(II) Complexes by Steric Modulation
Rosalice M. Silva; Chengeto Gwengo; Sergey V. Lindeman; Mark D. Smith; Gary J. Long; Fernande Grandjean; James R. Gardinier; Inorganic Chemistry 47 (2008) 7233–7242; doi:10.1021/ic8005794

data_4305602
_publ_section_title
;
A Second-Generation Janus Scorpionate Ligand: Controlling Coordination
Modes in Iron(II) Complexes by Steric Modulation
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7233
_journal_page_last               7242
_journal_paper_doi               10.1021/ic8005794
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C24 H36 B2 Fe N16 O4 S12'
_chemical_formula_weight         1074.88
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.652(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.0094(4)
_cell_length_b                   13.4664(5)
_cell_length_c                   18.7165(7)
_cell_measurement_reflns_used    5573
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      61
_cell_measurement_theta_min      2
_cell_volume                     2250.54(16)
_computing_cell_refinement       'SAINT v7.23A (Bruker, 2005)'
_computing_data_collection       'APEX2 v2.0-2 (Bruker, 2005)'
_computing_data_reduction        'SADABS-2004/1 (Bruker, 2005)'
_computing_molecular_graphics    'XP v5.1 (Bruker, 1998)'
_computing_publication_material  'XCIF v6.12 (Bruker, 2001)'
_computing_structure_refinement  'SHELXL-97 v.97-2 (Sheldrick, 1993-1997)'
_computing_structure_solution    'XS/SHELXTL v6.12 (Bruker, 2001)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Bruker APEX2 CCD detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0396
_diffrn_reflns_av_sigmaI/netI    0.0247
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            18623
_diffrn_reflns_theta_full        67.51
_diffrn_reflns_theta_max         61.51
_diffrn_reflns_theta_min         4.06
_exptl_absorpt_coefficient_mu    8.344
_exptl_absorpt_correction_T_max  0.3675
_exptl_absorpt_correction_T_min  0.1351
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS. Program for empirical absorption correction of
 area-detector data. University of Goetingen. Germany. 
 Sheldrick, G. M. 1996
;
_exptl_crystal_colour            pink
_exptl_crystal_density_diffrn    1.586
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1104
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.405
_refine_diff_density_min         -0.321
_refine_diff_density_rms         0.054
_refine_ls_extinction_coef       0.00072(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     323
_refine_ls_number_reflns         3436
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0277
_refine_ls_R_factor_gt           0.0265
_refine_ls_shift/su_max          0.024
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0337P)^2^+1.9449P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0659
_refine_ls_wR_factor_ref         0.0664
_reflns_number_gt                3299
_reflns_number_total             3436
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic8005794-file003_4.cif
_cod_data_source_block           4-4DMF
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4305602