Hydrazone chelators for the treatment of iron overload disorders: iron coordination chemistry and biological activity.
Bernhardt, Paul V.; Chin, Piao; Sharpe, Philip C.; Richardson, Des R.; Dalton transactions (Cambridge, England : 2003)  (2007) 3232–3244; doi:10.1039/b704102k

data_7005663
_publ_section_title
;
 Hydrazone chelators for the treatment of iron overload disorders: iron
 coordination chemistry and biological activity.
;
_journal_issue                   30
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3232
_journal_page_last               3244
_journal_paper_doi               10.1039/b704102k
_journal_year                    2007
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C12 H10 N4 O1'
_chemical_formula_sum            'C12 H10 N4 O'
_chemical_formula_weight         226.24
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2007-03-16T15:04:42-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 105.640(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.4690(10)
_cell_length_b                   13.836(2)
_cell_length_c                   9.806(2)
_cell_measurement_reflns_used    24
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      14.255
_cell_measurement_theta_min      10.252
_cell_measurement_wavelength     0.71073
_cell_volume                     1106.5(3)
_computing_cell_refinement       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_collection       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'scintillation LiI'
_diffrn_detector_dtime           1.195
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 1
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Enraf Nonius TurboCAD4'
_diffrn_measurement_method       'non-profiled omega/2theta scans'
_diffrn_orient_matrix_type
;
x-axis points to radiation source
the matrix is specified in reciprocal space
;
_diffrn_orient_matrix_UB_11      -0.070896
_diffrn_orient_matrix_UB_12      0.051
_diffrn_orient_matrix_UB_13      -0.05822
_diffrn_orient_matrix_UB_21      -0.058275
_diffrn_orient_matrix_UB_22      -0.050527
_diffrn_orient_matrix_UB_23      -0.068003
_diffrn_orient_matrix_UB_31      -0.081359
_diffrn_orient_matrix_UB_32      -0.008254
_diffrn_orient_matrix_UB_33      0.056506
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0262
_diffrn_reflns_av_unetI/netI     0.0316
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            2077
_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_reflns_theta_min         2.61
_diffrn_source                   'Enraf Nonius FR590'
_diffrn_standards_decay_%        -1
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.9678
_exptl_absorpt_correction_T_min  0.9027
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
;
North A.C.T., Phillips D.C. & Mathews F.S. (1968) Acta. Cryst. A24, 351
Number of psi-scan sets used was 4
Theta correction was applied.
Averaged transmission function was used.
No Fourier smoothing was applied.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.358
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.147
_refine_diff_density_min         -0.149
_refine_diff_density_rms         0.039
_refine_ls_extinction_coef       0.013(2)
_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   1.012
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         1941
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.0924
_refine_ls_R_factor_gt           0.04
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0684P)^2^+0.0222P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.102
_refine_ls_wR_factor_ref         0.1236
_reflns_number_gt                1127
_reflns_number_total             1941
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b704102k.txt
_cod_data_source_block           2046ac39
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7005663