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_4071699
_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_moiety         'C24 H40 Br4 N8 O2 Pt2, 2(C4 H8 O)'
_chemical_formula_sum            'C32 H56 Br4 N8 O4 Pt2'
_chemical_formula_weight         1326.67
_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                110.14(3)
_cell_angle_beta                 91.04(3)
_cell_angle_gamma                105.57(3)
_cell_formula_units_Z            1
_cell_length_a                   8.669(2)
_cell_length_b                   11.457(3)
_cell_length_c                   12.083(3)
_cell_measurement_reflns_used    7270
_cell_measurement_temperature    220(2)
_cell_measurement_theta_max      25.9
_cell_measurement_theta_min      2.0
_cell_volume                     1077.2(6)
_computing_cell_refinement       IPDS
_computing_data_collection       'IPDS (Stoe & Cie, 1999)'
_computing_data_reduction        IPDS
_computing_molecular_graphics    'Diamond (Brandenburg, 2001)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      220(2)
_diffrn_measured_fraction_theta_full 0.910
_diffrn_measured_fraction_theta_max 0.910
_diffrn_measurement_device_type  STOE-IPDS
_diffrn_measurement_method       'area detector'
_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  0.0631
_diffrn_reflns_av_sigmaI/netI    0.0613
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            8061
_diffrn_reflns_theta_full        25.94
_diffrn_reflns_theta_max         25.94
_diffrn_reflns_theta_min         1.98
_exptl_absorpt_coefficient_mu    10.238
_exptl_absorpt_correction_T_max  0.5220
_exptl_absorpt_correction_T_min  0.2410
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'IPDS (Stoe & Cie, 1999)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.045
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.462
_refine_diff_density_min         -1.416
_refine_diff_density_rms         0.194
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         3839
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0541
_refine_ls_R_factor_gt           0.0421
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0557P)^2^+5.3336P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1048
_refine_ls_wR_factor_ref         0.1189
_reflns_number_gt                3127
_reflns_number_total             3839
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om800323z_si_002.cif
_cod_data_source_block           z:\ipds28\ipds2865
_cod_original_cell_volume        1077.3(4)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4071699