Titanocene Difluorides with Improved Cytotoxic Activity
Silvia Eger; Timo A. Immel; James Claffey; Helge Müller-Bunz; Matthias Tacke; Ulrich Groth; Thomas Huhn; Inorganic Chemistry 49 (2010) 1292–1294; doi:10.1021/ic9022163

data_4314875
_publ_contact_author_address
;Universit\"at Konstanz 
Fachbereich Chemie
D-78457 Konstanz
;
_publ_contact_author_email       thomas.huhn@uni-konstanz.de
_publ_contact_author_fax         +49-7531-884424
_publ_contact_author_name        'Thomas Huhn'
_publ_section_title
;
 Titanocene Difluorides with Improved Cytotoxic Activity
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1292
_journal_page_last               1294
_journal_paper_doi               10.1021/ic9022163
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C26 H26 F2 O2 Ti'
_chemical_formula_weight         456.37
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 91.267(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   20.841(2)
_cell_length_b                   5.6814(6)
_cell_length_c                   8.9748(9)
_cell_measurement_reflns_used    4397
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.40
_cell_measurement_theta_min      2.27
_cell_volume                     1062.41(19)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0167
_diffrn_reflns_av_sigmaI/netI    0.0243
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            5682
_diffrn_reflns_theta_full        29.00
_diffrn_reflns_theta_max         29.00
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    0.441
_exptl_absorpt_correction_T_max  0.9572
_exptl_absorpt_correction_T_min  0.7866
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.427
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             476
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.568
_refine_diff_density_min         -0.178
_refine_diff_density_rms         0.066
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.03(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         2766
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0348
_refine_ls_R_factor_gt           0.0343
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0629P)^2^+0.4188P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0857
_refine_ls_wR_factor_ref         0.0863
_reflns_number_gt                2732
_reflns_number_total             2766
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic9022163_si_001_1.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        1062.43(19)
_cod_database_code               4314875