Oxo and Hydroxo Organometallic Complexes of Tantalum: Soluble Molecular Models of Tantalum Oxide
Conde, Ana; Fandos, Rosa; Otero, Antonio; Rodríguez, Ana; Organometallics 27 (2008) 6090–; doi:10.1021/om8006932

data_4072240
_publ_section_title
;
 Oxo and Hydroxo Organometallic Complexes of Tantalum: Soluble Molecular
 Models of Tantalum Oxide
;
_journal_issue                   23
_journal_name_full               Organometallics
_journal_page_first              6090
_journal_paper_doi               10.1021/om8006932
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C25 H26 Cl F3 N O7 S Ta'
_chemical_formula_weight         757.93
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 91.598(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.9762(11)
_cell_length_b                   14.6889(17)
_cell_length_c                   20.673(2)
_cell_measurement_reflns_used    2869
_cell_measurement_temperature    180(2)
_cell_measurement_theta_max      22.4529
_cell_measurement_theta_min      2.2698
_cell_volume                     2724.7(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX'
_computing_data_reduction        'Bruker SAINT, SADABS, XPREP'
_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      180(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '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  0.0488
_diffrn_reflns_av_sigmaI/netI    0.0633
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            15546
_diffrn_reflns_theta_full        26.44
_diffrn_reflns_theta_max         26.44
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    4.274
_exptl_absorpt_correction_T_max  0.6120
_exptl_absorpt_correction_T_min  0.2783
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.848
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prims
_exptl_crystal_F_000             1488
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.447
_refine_diff_density_min         -1.386
_refine_diff_density_rms         0.168
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     382
_refine_ls_number_reflns         5523
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0648
_refine_ls_R_factor_gt           0.0423
_refine_ls_shift/su_max          0.053
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0370P)^2^+2.7492P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0880
_refine_ls_wR_factor_ref         0.0956
_reflns_number_gt                3879
_reflns_number_total             5523
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8006932_si_002.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'multi-scan'' was replaced
with the value 'multi-scan' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_cell_volume        2724.6(6)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4072240