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_7013623
_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            'C64 H70 Na2 O4 Ti2'
_chemical_formula_weight         1236.98
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 94.770(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.1807(2)
_cell_length_b                   14.9482(2)
_cell_length_c                   16.5026(3)
_cell_measurement_temperature    150(2)
_cell_volume                     2994.38(8)
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0758
_diffrn_reflns_av_sigmaI/netI    0.0356
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            53795
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.48
_exptl_absorpt_coefficient_mu    0.351
_exptl_absorpt_correction_T_max  0.9930
_exptl_absorpt_correction_T_min  0.8990
_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    1.372
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.597
_refine_diff_density_min         -0.631
_refine_diff_density_rms         0.149
_refine_ls_extinction_coef       0.0039(8)
_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   1.038
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     399
_refine_ls_number_reflns         5880
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0521
_refine_ls_R_factor_gt           0.0406
_refine_ls_shift/su_max          0.224
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0652P)^2^+1.9392P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1117
_refine_ls_wR_factor_ref         0.1205
_reflns_number_gt                5025
_reflns_number_total             5880
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b310635g.txt
_cod_data_source_block           nati
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7013623