Selective Luminescence Chemosensing of Potassium Ions Based on a Novel Platinum(II) Alkynylcalix[4]crown-5 Complex
Lo, Hiu-Suet; Yip, Sung-Kong; Wong, Keith Man-Chung; Zhu, Nianyong; Yam, Vivian Wing-Wah; Organometallics 25 (2006) 3537–; doi:10.1021/om060218f

data_4075328
_publ_section_title
;
 Selective Luminescence Chemosensing of Potassium Ions Based on a Novel
 Platinum(II) Alkynylcalix[4]crown-5 Complex
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              3537
_journal_paper_doi               10.1021/om060218f
_journal_volume                  25
_journal_year                    2006
_chemical_formula_moiety         'C105 H128 Cl18 F12 N6 O7 P2 Pt2'
_chemical_formula_sum            'C105 H128 Cl18 F12 N6 O7 P2 Pt2'
_chemical_formula_weight         2904.35
_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                112.88(3)
_cell_angle_beta                 108.73(3)
_cell_angle_gamma                91.46(3)
_cell_formula_units_Z            2
_cell_length_a                   15.395(3)
_cell_length_b                   20.705(4)
_cell_length_c                   23.424(5)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    243(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     6417(3)
_computing_cell_refinement       Scalepack
_computing_data_collection       marcontrol
_computing_data_reduction        Denzo
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      243(2)
_diffrn_measured_fraction_theta_full 0.703
_diffrn_measured_fraction_theta_max 0.703
_diffrn_measurement_device_type  'marresearch IPDS mar300'
_diffrn_measurement_method       Oscillation
_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  0.0573
_diffrn_reflns_av_sigmaI/netI    0.1367
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            34663
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         1.13
_exptl_absorpt_coefficient_mu    2.645
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.503
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2912
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.520
_refine_diff_density_min         -1.472
_refine_diff_density_rms         0.192
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         16532
_refine_ls_number_restraints     142
_refine_ls_restrained_S_all      0.957
_refine_ls_R_factor_all          0.1100
_refine_ls_R_factor_gt           0.0664
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1123P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1799
_refine_ls_wR_factor_ref         0.2006
_reflns_number_gt                9473
_reflns_number_total             16532
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om060218fsi20060307_094415.cif
_cod_data_source_block           mar1142a
_cod_original_cell_volume        6417(2)
_cod_database_code               4075328