Inter- and intra-molecular condensation patterns of (en)PdII with trans-[a2PtL2]2+ (a = am(m)ine, L = 2-aminopyridine): PtPd3 and Pt2Pd4 species with multiple amide bridges. Unexpected trapping of a pair of nitrate ions by a Pt2Pd4 double coneElectronic supplementary information (ESI) available: 1H NMR spectra of 2a, 4a and 5; views of the crystal structure of 5. See http://www.rsc.org/suppdata/dt/b3/b301708g/
Beck, Bettina; Schneider, Alexandra; Freisinger, Eva; Holthenrich, Dagmar; Erxleben, Andrea; Albinati, Alberto; Zangrando, Ennio; Randaccio, Lucio; Lippert, Bernhard; Dalton Transactions  (2003) 2533–; doi:10.1039/b301708g

data_7012837
_publ_section_title
;
 Inter- and intra-molecular condensation patterns of (en)PdII with
 trans-[a2PtL2]2+ (a = am(m)ine, L = 2-aminopyridine): PtPd3 and Pt2Pd4
 species with multiple amide bridges. Unexpected trapping of a pair of
 nitrate ions by a Pt2Pd4 double coneElectronic supplementary
 information (ESI) available: 1H NMR spectra of 2a, 4a and 5; views of
 the crystal structure of 5. See
 http://www.rsc.org/suppdata/dt/b3/b301708g/
;
_journal_issue                   12
_journal_name_full               'Dalton Transactions'
_journal_page_first              2533
_journal_paper_doi               10.1039/b301708g
_journal_year                    2003
_chemical_formula_moiety         '(C12 H22 N6 Pt 2+) 2(Cl O4 1-)'
_chemical_formula_sum            'C12 H22 Cl2 N6 O8 Pt'
_chemical_formula_weight         644.35
_chemical_name_systematic
;
trans-bis(methylamine)-bis(2-aminopyridine)-platinum(II) 
diperchlorate
;
_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                 98.71(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.394(1)
_cell_length_b                   11.127(1)
_cell_length_c                   10.174(1)
_cell_measurement_temperature    293(2)
_cell_volume                     1051.19(18)
_computing_cell_refinement       'Mosflm (Acta Cryst. D50, 760, 1994)'
_computing_data_collection       'Nonius Xpress'
_computing_data_reduction        'Scala (Acta Cryst. D50, 760, 1994)'
_computing_molecular_graphics    'Ortep3/windows (Farrugia,1997)'
_computing_publication_material  'Wingx 1.64.04 (Farrugia, 1999)'
_computing_structure_refinement  'SHELX97 (Sheldrick, 1998)'
_computing_structure_solution    'SHELX97 (Sheldrick, 1998)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'image plate dip1030'
_diffrn_measurement_method       'laser scanner'
_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  0.0383
_diffrn_reflns_av_sigmaI/netI    0.0558
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            4857
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.86
_exptl_absorpt_coefficient_mu    6.980
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    2.036
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.309
_refine_diff_density_min         -0.641
_refine_diff_density_rms         0.289
_refine_ls_extinction_coef       0.034(2)
_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   1.043
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     162
_refine_ls_number_reflns         2575
_refine_ls_number_restraints     57
_refine_ls_restrained_S_all      1.154
_refine_ls_R_factor_all          0.0515
_refine_ls_R_factor_gt           0.0377
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0539P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0953
_refine_ls_wR_factor_ref         0.1027
_reflns_number_gt                1863
_reflns_number_total             2575
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b301708g.txt
_cod_data_source_block           3b
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7012837