Tetra-μ-chlorido-bis(18-crown-6)platinum(II)dipotassium(I)
Ravindran Durai Nayagam, B.; Jebas, Samuel Robinson; Kalavathy, D.; Murugesan, R.; Schollmeyer, Dieter; Acta Crystallographica Section E 66 (2010) m667–; doi:10.1107/S1600536810016648

data_2226183
_publ_section_title
;
 Tetra-\m-chlorido-bis(18-crown-6)platinum(II)dipotassium(I)
;
_journal_coeditor_code           IS2544
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m667
_journal_paper_doi               10.1107/S1600536810016648
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          '[K2 Pt Cl4 (C12 H24 O6)2]'
_chemical_formula_moiety         'C24 H48 Cl4 K2 O12 Pt'
_chemical_formula_sum            'C24 H48 Cl4 K2 O12 Pt'
_chemical_formula_weight         943.71
_chemical_name_systematic
;
Tetra-\m-chlorido-bis(18-crown-6)platinum(II)dipotassium(I)
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 107.3248(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.6307(6)
_cell_length_b                   8.4715(4)
_cell_length_c                   19.1586(9)
_cell_measurement_reflns_used    8198
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.8
_cell_measurement_theta_min      2.6
_cell_volume                     1802.05(15)
_computing_cell_refinement       '<i>APEX2</i> (Bruker, 2008)'
_computing_data_collection       '<i>APEX2</i> (Bruker, 2008)'
_computing_data_reduction        '<i>APEX2</i> (Bruker, 2008)'
_computing_molecular_graphics    '<i>SHELXTL</i> (Sheldrick, 2008)'
_computing_publication_material
;
<i>SHELXTL</i> (Sheldrick, 2008) and <i>PLATON</i> (Spek, 2009)
;
_computing_structure_refinement  '<i>SHELXL97</i> (Sheldrick, 2008)'
_computing_structure_solution    '<i>SHELXS97</i> (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEXII CCD'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0362
_diffrn_reflns_av_sigmaI/netI    0.0333
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            15436
_diffrn_reflns_theta_full        27.80
_diffrn_reflns_theta_max         27.80
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    4.474
_exptl_absorpt_correction_T_max  0.699
_exptl_absorpt_correction_T_min  0.409
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Bruker, 2008)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.739
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.37
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.357
_refine_diff_density_min         -0.843
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     196
_refine_ls_number_reflns         4252
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0259
_refine_ls_R_factor_gt           0.0203
_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^)+(0.0229P)^2^+0.3938P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_obs         0.0500
_refine_ls_wR_factor_ref         0.0525
_reflns_number_gt                3659
_reflns_number_total             4252
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            is2544.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2226183
_cod_database_fobs_code          2226183