Neutral-Type One-Dimensional Mixed-Valence Halogen-Bridged Platinum Chain Complexes with Large Charge-Transfer Band Gaps.
Otake, Ken-ichi; Otsubo, Kazuya; Sugimoto, Kunihisa; Fujiwara, Akihiko; Kitagawa, Hiroshi; Inorganic chemistry 55 (2016) 2620–2626; doi:10.1021/acs.inorgchem.5b02980

data_4347296
_publ_section_title
;
 Neutral-Type One-Dimensional Mixed-Valence Halogen-Bridged Platinum Chain
 Complexes with Large Charge-Transfer Band Gaps.
;
_journal_issue                   5
_journal_name_full               'Inorganic chemistry'
_journal_page_first              2620
_journal_page_last               2626
_journal_paper_doi               10.1021/acs.inorgchem.5b02980
_journal_volume                  55
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C8 H14 N4 O2 Pt'
_chemical_formula_sum            'C8 H14 N4 O2 Pt'
_chemical_formula_weight         393.31
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   6.8710(14)
_cell_length_b                   13.002(3)
_cell_length_c                   13.702(3)
_cell_measurement_reflns_used    9996
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.33
_cell_measurement_theta_min      2.97
_cell_volume                     1224.1(5)
_computing_cell_refinement       'APEX2 (Bruker, 2006)'
_computing_data_collection       'APEX2 (Bruker, 2006)'
_computing_data_reduction        'CrystalStructure 4.2 (Rigaku, 2015)'
_computing_molecular_graphics    'CrystalStructure 4.2'
_computing_publication_material  'CrystalStructure 4.2 (Rigaku, 2015)'
_computing_structure_refinement  'SHELXL Version 2014/3 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla, et al., 2005)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.955
_diffrn_measurement_device_type  'Bruker SMART APEXII CCD detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0180
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.955
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            14145
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.931
_diffrn_reflns_theta_full        25.240
_diffrn_reflns_theta_max         28.583
_diffrn_reflns_theta_min         2.159
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    11.406
_exptl_absorpt_correction_T_max  0.0072
_exptl_absorpt_correction_T_min  0.0060
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.134
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             736.00
_exptl_crystal_size_max          0.03
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.15
_refine_diff_density_min         -0.37
_refine_ls_abs_structure_details
;
 Flack x determined using 1113 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.011(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     136
_refine_ls_number_reflns         2919
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0165
_refine_ls_R_factor_gt           0.0151
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0244P)^2^+0.5610P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0403
_refine_ls_wR_factor_ref         0.0408
_reflns_Friedel_coverage         0.683
_reflns_Friedel_fraction_full    0.996
_reflns_Friedel_fraction_max     0.898
_reflns_number_gt                2770
_reflns_number_total             2919
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ic5b02980_si_002.cif
_cod_data_source_block           complex1
_cod_original_cell_volume        1224.1(4)
_cod_database_code               4347296
_shelxl_version_number           2014-3
_shelx_res_checksum              13740
_shelx_hkl_checksum              41699