Halide Coordination of Perhalocyclohexasilane Si6X12 (X = Cl or Br)
Xuliang Dai; Seok-Bong Choi; Christopher W. Braun; Pooja Vaidya; Svetlana Kilina; Angel Ugrinov; Douglas L. Schulz; Philip Boudjouk; Inorganic Chemistry 50 (2011) 4047–4053; doi:10.1021/ic102535n

data_4324965
_publ_contact_author
;
Xuliang Dai
Center for Nanoscale Science and Engineering
North Dakota State University
1735 NDSU Research Park Drive
Fargo, ND 58108
USA
;
_publ_contact_author_email       xuliang.dai@ndsu.edu
_publ_contact_author_fax         'Intl. Code + (000)000-0000'
_publ_contact_author_phone       'Intl. Code + (000)000-0000'
_publ_section_title
;
 Halide Coordination of Perhalocyclohexasilane Si6X12 (X = Cl or Br)
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4047
_journal_page_last               4053
_journal_paper_doi               10.1021/ic102535n
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'Cl12 Si6'
_chemical_formula_weight         593.94
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   none
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4
_audit_creation_date             2009-12-10T11:22:29-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 109.914(9)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.624(12)
_cell_length_b                   9.765(7)
_cell_length_c                   13.506(9)
_cell_measurement_reflns_used    5310
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.92
_cell_measurement_theta_min      2.42
_cell_volume                     2185(3)
_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-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(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       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0282
_diffrn_reflns_av_unetI/netI     0.022
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            8800
_diffrn_reflns_theta_full        26.04
_diffrn_reflns_theta_max         26.04
_diffrn_reflns_theta_min         2.42
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.83
_exptl_absorpt_correction_T_max  0.7453
_exptl_absorpt_correction_T_min  0.5739
_exptl_absorpt_correction_type   numerical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.805
_exptl_crystal_description       plate/triangle
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.55
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.395
_refine_diff_density_min         -0.362
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     82
_refine_ls_number_reflns         2145
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0371
_refine_ls_R_factor_gt           0.032
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0359P)^2^+3.1293P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0801
_refine_ls_wR_factor_ref         0.0835
_reflns_number_gt                1878
_reflns_number_total             2145
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic102535n_si_003_2.cif
_cod_data_source_block           Si6Cl12
_cod_database_code               4324965