Structures and Stability of Molecular InBr3Pyx (x= 1-3) Complexes: Unexpected Solid State Stabilization of Dimeric In2Br6Py4As Compared to Valence-Isoelectronic Group 15 and 17 Halogen Bridging Dimers
Igor V. Kazakov; Michael Bodensteiner; Anna S. Lisovenko; Andrew V. Suvorov; Manfred Scheer; Gábor Balázs; Alexey Y. Timoshkin; Inorganic Chemistry 52 (2013) 13207–13215; doi:10.1021/ic402162d

data_4336762
_publ_section_title
;
 Structures and Stability of Molecular InBr3Pyx (x= 1-3) Complexes:
 Unexpected Solid State Stabilization of Dimeric In2Br6Py4As Compared to
 Valence-Isoelectronic Group 15 and 17 Halogen Bridging Dimers
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              13207
_journal_page_last               13215
_journal_paper_doi               10.1021/ic402162d
_journal_volume                  52
_journal_year                    2013
_chemical_compound_source        'see text'
_chemical_formula_moiety         'C20 H20 Br6 In2 N4'
_chemical_formula_sum            'C20 H20 Br6 In2 N4'
_chemical_formula_weight         1025.44
_chemical_name_systematic        ?
_space_group_IT_number           70
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      70
_symmetry_space_group_name_Hall  '-F 2uv 2vw'
_symmetry_space_group_name_H-M   'F d d d :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   14.6209(4)
_cell_length_b                   15.5436(5)
_cell_length_c                   25.6230(8)
_cell_measurement_reflns_used    2960
_cell_measurement_temperature    123(1)
_cell_measurement_theta_max      63.1651
_cell_measurement_theta_min      3.4469
_cell_volume                     5823.1(3)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_molecular_graphics    'SXGRAPH (Farrugia, 1999)'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-97 (Altomare, 1999)'
_diffrn_ambient_temperature      123(1)
_diffrn_detector_area_resol_mean 10.5431
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Xcalibur, Ruby, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'Enhance Ultra (Cu) x-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0590
_diffrn_reflns_av_sigmaI/netI    0.0394
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            4880
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        63.25
_diffrn_reflns_theta_max         63.25
_diffrn_reflns_theta_min         4.50
_exptl_absorpt_coefficient_mu    22.435
_exptl_absorpt_correction_T_max  0.295
_exptl_absorpt_correction_T_min  0.114
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.339
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3808
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.09
_refine_diff_density_max         1.456
_refine_diff_density_min         -1.759
_refine_diff_density_rms         0.278
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.179
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     74
_refine_ls_number_reflns         1185
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.179
_refine_ls_R_factor_all          0.0405
_refine_ls_R_factor_gt           0.0363
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0513P)^2^+21.8225P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0984
_refine_ls_wR_factor_ref         0.1027
_reflns_number_gt                975
_reflns_number_total             1185
_reflns_threshold_expression     >2\s(i)
_cod_data_source_file            ic402162d_si_003.cif
_cod_data_source_block           InBr3py2
_cod_original_sg_symbol_H-M      'F d d d'
_cod_database_code               4336762