Synthesis and characterisation of new titanium amino-alkoxides: precursors for the formation of TiO2 materials
Hollingsworth, Nathan; Kanna, Miki; Kociok-Köhn, Gabriele; Molloy, Kieran C.; Wongnawa, Sumpun; Dalton Transactions  (2008) 631–641; doi:10.1039/b712375b

data_7003109
_publ_section_title
;
 Synthesis and characterisation of new titanium amino-alkoxides:
 precursors for the formation of TiO2 materials
;
_journal_issue                   5
_journal_name_full               'Dalton Transactions'
_journal_page_first              631
_journal_page_last               641
_journal_paper_doi               10.1039/b712375b
_journal_year                    2008
_chemical_formula_moiety         'C26 H64 N4 O8 Ti2'
_chemical_formula_sum            'C26 H64 N4 O8 Ti2'
_chemical_formula_weight         656.61
_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                69.9053(10)
_cell_angle_beta                 76.8434(10)
_cell_angle_gamma                81.660(2)
_cell_formula_units_Z            2
_cell_length_a                   9.1309(2)
_cell_length_b                   12.6399(3)
_cell_length_c                   17.1215(6)
_cell_measurement_reflns_used    35246
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.373
_cell_measurement_theta_min      2.910
_cell_volume                     1802.22(9)
_computing_cell_refinement       'HKL Scalepack (Otwinski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
;
DENZO-SCALEPACK Z. Otwinowski and W. Minor, "
Processing of X-ray Diffraction Data Collected in Oscillation Mode ",
Methods in Enzymology, Volume 276: Macromolecular Crystallography,
part A, p.307-326, 1997,C.W. Carter, Jr. & R. M. Sweet, Eds., Academic Press.
;
_computing_molecular_graphics
'ORTEP3 for Windows - Farrugia, L. J. J. Appl. Crystallogr. 1997, 30, 565'
_computing_publication_material
;
WinGX publication routines, Farrugia,
L. J., J. Appl. Crystallogr., 1999, 32, 837-838
;
_computing_structure_refinement
;
SHELXL97 -Program for Crystal Structure Analysis (Release 97-2).
Sheldrick, G.M., Instit\"ut f\"ur Anorganische Chemie der Universit\"at,
Tammanstrasse 4, D-3400 G\"ottingen, Germany, 1998
;
_computing_structure_solution
;
SIR97- Altomare A., Burla M.C., Camalli M., Cascarano G.L., Giacovazzo C. ,
Guagliardi A., Moliterni A.G.G., Polidori G.,Spagna R.
(1999) J. Appl. Cryst. 32, 115-119
;
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       '\f and \v 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  0.0595
_diffrn_reflns_av_sigmaI/netI    0.0607
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            23383
_diffrn_reflns_theta_full        26.16
_diffrn_reflns_theta_max         26.16
_diffrn_reflns_theta_min         4.90
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.488
_exptl_absorpt_correction_T_max  0.9760
_exptl_absorpt_correction_T_min  0.8674
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements
Sortav (Blessing 1995)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.210
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregular shape'
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.948
_refine_diff_density_min         -0.481
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     410
_refine_ls_number_reflns         7052
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0799
_refine_ls_R_factor_gt           0.0493
_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^)+(0.0559P)^2^+1.1854P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1180
_refine_ls_wR_factor_ref         0.1342
_reflns_number_gt                5058
_reflns_number_total             7052
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b712375b.txt
_cod_data_source_block           h06kcm24_compound1
_cod_original_cell_volume        1802.30(9)
_cod_database_code               7003109