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_4305605
_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            'C26 H46 B2 Cl6 Fe N12 O6 S18'
_chemical_formula_weight         1490.00
_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   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                116.0080(10)
_cell_angle_beta                 94.4850(10)
_cell_angle_gamma                115.0470(10)
_cell_formula_units_Z            1
_cell_length_a                   12.0552(2)
_cell_length_b                   12.4970(2)
_cell_length_c                   13.3489(2)
_cell_measurement_reflns_used    5231
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      66
_cell_measurement_theta_min      4
_cell_volume                     1549.09(5)
_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 0.918
_diffrn_measured_fraction_theta_max 0.968
_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  0.0194
_diffrn_reflns_av_sigmaI/netI    0.0185
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            12780
_diffrn_reflns_theta_full        67.17
_diffrn_reflns_theta_max         67.17
_diffrn_reflns_theta_min         3.89
_exptl_absorpt_coefficient_mu    10.409
_exptl_absorpt_correction_T_max  0.2300
_exptl_absorpt_correction_T_min  0.0891
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
 Numerical absorption correction based on the actual
 shape of crystal followed by:
 SADABS. Program for empirical absorption correction of
 area-detector data. University of Goetingen. Germany. 
 Sheldrick, G. M. 1996
;
_exptl_crystal_colour            'pale orange'
_exptl_crystal_density_diffrn    1.597
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.488
_refine_diff_density_min         -0.332
_refine_diff_density_rms         0.051
_refine_ls_extinction_coef       0.00133(9)
_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   1.023
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     415
_refine_ls_number_reflns         5074
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0223
_refine_ls_R_factor_gt           0.0221
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0271P)^2^+1.1561P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0553
_refine_ls_wR_factor_ref         0.0555
_reflns_number_gt                4999
_reflns_number_total             5074
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic8005794-file003_7.cif
_cod_data_source_block           7-2CHCl3
_cod_original_cell_volume        1549.09(4)
_cod_database_code               4305605