Multiple-Hydrogen-Bond Approach to Uncommon Pd(III) Oxidation State: A Pd-Br Chain with High Conductivity and Thermal Stability.
Mian, Mohammad Rasel; Iguchi, Hiroaki; Takaishi, Shinya; Murasugi, Hideaki; Miyamoto, Tatsuya; Okamoto, Hiroshi; Tanaka, Hisaaki; Kuroda, Shin-Ichi; Breedlove, Brian K.; Yamashita, Masahiro; Journal of the American Chemical Society 139 (2017) 6562–6565; doi:10.1021/jacs.7b02558

data_4126106
_publ_section_title
;
 Multiple-Hydrogen-Bond Approach to Uncommon Pd(III) Oxidation State: A
 Pd-Br Chain with High Conductivity and Thermal Stability.
;
_journal_issue                   19
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6562
_journal_page_last               6565
_journal_paper_doi               10.1021/jacs.7b02558
_journal_volume                  139
_journal_year                    2017
_chemical_absolute_configuration syn
_chemical_formula_sum            'C8 H24 Br3 N4 O4 Pd'
_chemical_formula_weight         586.44
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 101.040(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   22.2521(16)
_cell_length_b                   5.1837(4)
_cell_length_c                   7.3301(5)
_cell_measurement_reflns_used    2735
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      35.92
_cell_measurement_theta_min      2.83
_cell_volume                     829.87(10)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0302
_diffrn_reflns_av_sigmaI/netI    0.0657
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5727
_diffrn_reflns_theta_full        36.02
_diffrn_reflns_theta_max         36.02
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    8.357
_exptl_absorpt_correction_T_max  0.6800
_exptl_absorpt_correction_T_min  0.4545
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1997)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    2.347
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       stick
_exptl_crystal_F_000             566
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.729
_refine_diff_density_min         -2.181
_refine_diff_density_rms         0.214
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.04(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     94
_refine_ls_number_reflns         3446
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0671
_refine_ls_R_factor_gt           0.0426
_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^)+(0.0078P)^2^+5.6579P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0702
_refine_ls_wR_factor_ref         0.0774
_reflns_number_gt                2695
_reflns_number_total             3446
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja7b02558_si_001.cif
_cod_data_source_block           pdbrdabdohbr2_123k
_cod_original_sg_symbol_H-M      C2
_cod_database_code               4126106