Facile cyanamide‒ammonia coupling mediated by cis- and trans-[PtIIL2] centers and giving metal-bound guanidines
Tyan, Marina R.; Bokach, Nadezhda A.; Wang, Meng-Jiy; Haukka, Matti; Kuznetsov, Maxim L.; Kukushkin, Vadim Yu.; Dalton Transactions  (2008) 5178–5188; doi:10.1039/b806862c

data_7004424
_publ_section_title
;
 Facile cyanamide--ammonia coupling mediated by cis- and trans-[PtIIL2]
 centers and giving metal-bound guanidines
;
_journal_issue                   38
_journal_name_full               'Dalton Transactions'
_journal_page_first              5178
_journal_page_last               5188
_journal_paper_doi               10.1039/b806862c
_journal_year                    2008
_chemical_formula_moiety         'C6 H24 N8 Pt, 2(C6 H2 N3 O7)'
_chemical_formula_sum            'C18 H28 N14 O14 Pt'
_chemical_formula_weight         859.63
_chemical_name_systematic
;
?
;
_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                 114.039(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.1799(4)
_cell_length_b                   25.9606(16)
_cell_length_c                   8.3485(10)
_cell_measurement_reflns_used    6126
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.00
_cell_volume                     1421.2(2)
_computing_cell_refinement       'Denzo/Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'Denzo/Scalepack (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'Diamond v.3.1d (Crystal Impact GbR, 2006)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scans and \w scans with \k offset'
_diffrn_radiation_monochromator  'horizontally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0424
_diffrn_reflns_av_sigmaI/netI    0.0279
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            25722
_diffrn_reflns_theta_full        27.59
_diffrn_reflns_theta_max         27.59
_diffrn_reflns_theta_min         2.78
_exptl_absorpt_coefficient_mu    5.032
_exptl_absorpt_correction_T_max  0.7870
_exptl_absorpt_correction_T_min  0.3222
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v.2.10 (Sheldrick, 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.009
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.908
_refine_diff_density_min         -0.796
_refine_diff_density_rms         0.104
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     219
_refine_ls_number_reflns         3280
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0467
_refine_ls_R_factor_gt           0.0254
_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^)+(0.0167P)^2^+4.5991P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0512
_refine_ls_wR_factor_ref         0.0576
_reflns_number_gt                2347
_reflns_number_total             3280
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b806862c.txt
_cod_data_source_block           trans_4
_cod_original_cell_volume        1421.1(2)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7004424