Synthesis and crystal structures of two new titanium alkoxy–diolate complexes. Potential precursors for oxide ceramics
Jones, Anthony C.; Williams, Paul A.; Bickley, Jamie F.; Steiner, Alexander; Davies, Hywel O.; Leedham, Timothy J.; Awaluddin, Amir; Pemble, Martyn E.; Critchlow, Gary W.; Journal of Materials Chemistry 11 (2001) 1428–; doi:10.1039/b100411p

data_7204071
_publ_section_title
;
 Synthesis and crystal structures of two new titanium alkoxy--diolate
 complexes. Potential precursors for oxide ceramics
;
_journal_issue                   5
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              1428
_journal_paper_doi               10.1039/b100411p
_journal_volume                  11
_journal_year                    2001
_chemical_formula_sum            'C20 H48 N4 O8 Ti2'
_chemical_formula_weight         568.52
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                104.70(2)
_cell_angle_beta                 104.99(2)
_cell_angle_gamma                96.58(2)
_cell_formula_units_Z            1
_cell_length_a                   8.2993(17)
_cell_length_b                   9.3651(19)
_cell_length_c                   9.7070(19)
_cell_measurement_temperature    213(2)
_cell_volume                     691.7(3)
_computing_data_collection       'IPDS (STOE, 1997)'
_computing_data_reduction        'X-RED (STOE, 1996)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      213(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.929
_diffrn_measured_fraction_theta_max 0.929
_diffrn_measurement_device_type  'Stoe IPDS'
_diffrn_measurement_method       'Image plate'
_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  0.0478
_diffrn_reflns_av_sigmaI/netI    0.0652
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            3807
_diffrn_reflns_theta_full        24.16
_diffrn_reflns_theta_max         24.16
_diffrn_reflns_theta_min         2.29
_exptl_absorpt_coefficient_mu    0.624
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.365
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             304
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.201
_refine_diff_density_min         -0.613
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.913
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     154
_refine_ls_number_reflns         2063
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.913
_refine_ls_R_factor_all          0.0516
_refine_ls_R_factor_gt           0.0355
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0429P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0799
_refine_ls_wR_factor_ref         0.0833
_reflns_number_gt                1548
_reflns_number_total             2063
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b100411p.txt
_cod_data_source_block           tony27
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc
w=1/[\s^2^(Fo^2^)+(0.0429P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to
'w=1/[\s^2^(Fo^2^)+(0.0429P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        691.7(2)
_cod_database_code               7204071