Metal-only Lewis pairs featuring unsupported Pt>M (M = Zn or Cd) dative bonds
Mengtao Ma; Anastas Sidiropoulos; Lalrempuia Ralte; Andreas Stasch; Cameron Jones; Chem.Commun. 49 (2013) 48–; doi:10.1039/c2cc37442k

data_7108707
_publ_section_title
;
 Metal-only Lewis pairs featuring unsupported Pt>M (M = Zn or Cd) dative
 bonds
;
_journal_name_full               Chem.Commun.
_journal_page_first              48
_journal_paper_doi               10.1039/c2cc37442k
_journal_volume                  49
_journal_year                    2013
_chemical_formula_sum            'C85.5 H108 Cd2 I4 N4'
_chemical_formula_weight         1924.16
_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                 106.39(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   15.253(3)
_cell_length_b                   19.437(4)
_cell_length_c                   15.846(3)
_cell_measurement_temperature    173(2)
_cell_volume                     4507.0(17)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_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  0.0329
_diffrn_reflns_av_sigmaI/netI    0.0475
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            18865
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.97
_exptl_absorpt_coefficient_mu    1.882
_exptl_absorpt_correction_T_max  0.879
_exptl_absorpt_correction_T_min  0.725
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing, 1995)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.418
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1914
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.579
_refine_diff_density_min         -0.558
_refine_diff_density_rms         0.115
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     449
_refine_ls_number_reflns         9829
_refine_ls_number_restraints     72
_refine_ls_restrained_S_all      1.070
_refine_ls_R_factor_all          0.0853
_refine_ls_R_factor_gt           0.0488
_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^)+(0.0777P)^2^+5.1017P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1284
_refine_ls_wR_factor_ref         0.1489
_reflns_number_gt                6521
_reflns_number_total             9829
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc37442k.txt
_cod_data_source_block           IPrCdI2
_cod_original_cell_volume        4507.0(16)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_original_formula_sum        'C85.50 H108 Cd2 I4 N4'
_cod_database_code               7108707