Alternatives to pyridinediimine ligands: syntheses and structures of metal complexes supported by donor-modified alpha-diimine ligands.
Schmiege, Benjamin M.; Carney, Michael J.; Small, Brooke L.; Gerlach, Deidra L.; Halfen, Jason A.; Dalton transactions (Cambridge, England : 2003)  (2007) 2547–2562; doi:10.1039/b702197f

data_7005432
_publ_section_title
;
 Alternatives to pyridinediimine ligands: syntheses and structures of
 metal complexes supported by donor-modified alpha-diimine ligands.
;
_journal_issue                   24
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2547
_journal_page_last               2562
_journal_paper_doi               10.1039/b702197f
_journal_year                    2007
_chemical_formula_sum            'C28 H33 Cl2 Fe N3'
_chemical_formula_weight         538.32
_chemical_name_common            040023
_chemical_name_systematic
;
?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.336(2)
_cell_length_b                   12.5150(8)
_cell_length_c                   23.120(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      14.50
_cell_measurement_theta_min      10.56
_cell_volume                     2701.3(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker-Nonius MACH3S'
_diffrn_measurement_method       'Omega 2-theta 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  0.0269
_diffrn_reflns_av_sigmaI/netI    0.0528
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            6489
_diffrn_reflns_theta_full        27.05
_diffrn_reflns_theta_max         27.05
_diffrn_reflns_theta_min         2.35
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  90
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.777
_exptl_absorpt_correction_T_max  0.8728
_exptl_absorpt_correction_T_min  0.7463
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   'North et al. Acta Cryst. 1968, A24, 351'
_exptl_crystal_colour            'dark blue-green'
_exptl_crystal_density_diffrn    1.324
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1128
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.251
_refine_diff_density_min         -0.275
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     313
_refine_ls_number_reflns         5874
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0674
_refine_ls_R_factor_gt           0.0440
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0374P)^2^+0.4380P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0853
_refine_ls_wR_factor_ref         0.0941
_reflns_number_gt                4548
_reflns_number_total             5874
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b702197f.txt
_cod_data_source_block           (3a)FeCl
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7005432