Platinum(IV) Metallacrown Ethers: Synthesis, Structures, Host Properties and Anticancer Evaluation
Kelly, Mairéad E.; Dietrich, Andrea; Gómez-Ruiz, Santiago; Kalinowski, Bernd; Kaluderović, Goran N.; Müller, Thomas; Paschke, Reinhard; Schmidt, Jürgen; Steinborn, Dirk; Wagner, Christoph; Schmidt, Harry; Organometallics 27 (2008) 4917–; doi:10.1021/om800323z

data_4071704
_publ_section_title
;
 Platinum(IV) Metallacrown Ethers: Synthesis, Structures, Host Properties
 and Anticancer Evaluation
;
_journal_issue                   19
_journal_name_full               Organometallics
_journal_page_first              4917
_journal_paper_doi               10.1021/om800323z
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C23 H30 Br2 Cl2 N4 O2 Pt'
_chemical_formula_weight         820.32
_chemical_name_systematic
;
 ?
;
_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                86.17
_cell_angle_beta                 67.837(3)
_cell_angle_gamma                84.563(3)
_cell_formula_units_Z            2
_cell_length_a                   9.9990(4)
_cell_length_b                   10.9524(3)
_cell_length_c                   13.0425(11)
_cell_measurement_reflns_used    22012
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      32.3551
_cell_measurement_theta_min      2.5493
_cell_volume                     1316.09(13)
_computing_cell_refinement
;
 ?
;
_computing_data_collection
;
 ?
;
_computing_data_reduction
;
 ?
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      130(2)
_diffrn_detector_area_resol_mean 16.356
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'ccd xcalibur s'
_diffrn_measurement_method       '\w scans and \f 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  0.0243
_diffrn_reflns_av_sigmaI/netI    0.0206
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            29411
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.56
_exptl_absorpt_coefficient_mu    8.599
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.30731
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 ?
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.070
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prisms
_exptl_crystal_F_000             788
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.755
_refine_diff_density_min         -0.943
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     309
_refine_ls_number_reflns         6526
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0214
_refine_ls_R_factor_gt           0.0167
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0198P)^2^+0.6167P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0373
_refine_ls_wR_factor_ref         0.0390
_reflns_number_gt                5781
_reflns_number_total             6526
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800323z_si_002.cif
_cod_data_source_block           x0271fin
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4071704