A facile route to hetero-bimetallic Ti(iv)-alkali metal calix[4]arene complexes
Petrella, Antonella J.; Craig, Donald C.; Lamb, Robert N.; Raston, Colin L.; Roberts, Nicholas K.; Dalton Transactions  (2003) 4590–; doi:10.1039/b310635g

data_7013619
_publ_section_title
;
 A facile route to hetero-bimetallic Ti(iv)-alkali metal calix[4]arene
 complexes
;
_journal_issue                   24
_journal_name_full               'Dalton Transactions'
_journal_page_first              4590
_journal_paper_doi               10.1039/b310635g
_journal_year                    2003
_chemical_formula_sum            'C57 H91 K O14 Ti'
_chemical_formula_weight         1087.30
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 106.461(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.2018(5)
_cell_length_b                   21.9002(9)
_cell_length_c                   21.1284(8)
_cell_measurement_temperature    150(2)
_cell_volume                     6302.1(4)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1996)'
_computing_data_collection       'COLLECT (Nonius, 1999)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1996)'
_computing_molecular_graphics
;
ORTEP3 for Windows (Farrugia, 1997)
XSeed (Barbour, 2001)
;
_computing_publication_material  'WC (Thornton-Pett, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type
'Nonius KappaCCD area detector diffractometer'
_diffrn_measurement_method
;
Detector set at 30mm from sample with different 2theta offsets 
1 degree phi exposures for chi=0 degree settings
1 degree omega exposures for chi=90 degree settings
;
_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  0.0385
_diffrn_reflns_av_sigmaI/netI    0.0398
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            12718
_diffrn_reflns_theta_full        22.76
_diffrn_reflns_theta_max         22.76
_diffrn_reflns_theta_min         2.74
_exptl_absorpt_coefficient_mu    0.259
_exptl_absorpt_correction_T_max  0.9821
_exptl_absorpt_correction_T_min  0.9549
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Using multiple and symmetry-related data measurements via the program SORTAV
See R.H. Blessing, Acta Cryst (1995), A51, 33-38 
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.146
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2344
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.260
_refine_diff_density_min         -0.260
_refine_diff_density_rms         0.043
_refine_ls_extinction_coef       0.0026(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.112
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     381
_refine_ls_number_reflns         4209
_refine_ls_number_restraints     30
_refine_ls_restrained_S_all      1.114
_refine_ls_R_factor_all          0.0591
_refine_ls_R_factor_gt           0.0503
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0503P)^2^+11.0106P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1324
_refine_ls_wR_factor_ref         0.1389
_reflns_number_gt                3614
_reflns_number_total             4209
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b310635g.txt
_cod_data_source_block           tiacac
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7013619