Single-Source Materials for Metal-Doped Titanium Oxide: Syntheses, Structures, and Properties of a Series of Heterometallic Transition-Metal Titanium Oxo Cages
Salvador Eslava; Mary McPartlin; Richard I. Thomson; Jeremy M. Rawson; Dominic S. Wright; Inorganic Chemistry 49 (2010) 11532–11540; doi:10.1021/ic101687m

data_4317329
_publ_contact_author_address
;
 University of Cambridge
 Department of Chemistry   
 Lensfield Road
 Cambridge
 CB2 1EW
 England   
;
_publ_contact_author_email       se296@cam.ac.uk
_publ_contact_author_name        'S. Eslava'
_publ_contact_author_phone       00441223763122
_publ_section_title
;
 Single-Source Materials for Metal-Doped Titanium Oxide: Syntheses,
 Structures, and Properties of a Series of Heterometallic Transition-Metal
 Titanium Oxo Cages
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11532
_journal_page_last               11540
_journal_paper_doi               10.1021/ic101687m
_journal_volume                  49
_journal_year                    2010
_chemical_formula_moiety         'C36 H90 Cl2 Ni2 O18 Ti4'
_chemical_formula_sum            'C36 H90 Cl2 Ni2 O18 Ti4'
_chemical_formula_weight         1191.00
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.1091(4)
_cell_length_b                   23.5591(9)
_cell_length_c                   16.4439(4)
_cell_measurement_reflns_used    9814
_cell_measurement_temperature    270(2)
_cell_measurement_theta_max      22.99
_cell_measurement_theta_min      1.00
_cell_volume                     5853.3(3)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius B.V. 1998)'
_computing_data_reduction
;
 HKL Denzo and Scalepack (Otwinowski & Minor 1997)
;
_computing_publication_material  'SHELXL-97 (Sheldrick 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick 1997)'
_computing_structure_solution    'SIR-92 (Altomare et al. 1994)'
_diffrn_ambient_temperature      270(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       'Thin slice \w and \f scans'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0534
_diffrn_reflns_av_sigmaI/netI    0.0467
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            15254
_diffrn_reflns_theta_full        22.98
_diffrn_reflns_theta_max         22.98
_diffrn_reflns_theta_min         3.66
_exptl_absorpt_coefficient_mu    1.298
_exptl_absorpt_correction_T_max  0.769
_exptl_absorpt_correction_T_min  0.728
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements 
 Sortav (Blessing 1995)
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2512
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.327
_refine_diff_density_min         -0.351
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         4047
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.0818
_refine_ls_R_factor_gt           0.0494
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0500P)^2^+6.9540P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1118
_refine_ls_wR_factor_ref         0.1289
_reflns_number_gt                2772
_reflns_number_total             4047
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic101687m_si_001_1.cif
_cod_data_source_block           7
_cod_database_code               4317329