Tellurasiloxane Cages Containing Te6Si4O12 and Te6Si6O15 Frameworks
Vadapalli Chandrasekhar; Ramalingam Thirumoorthi; Inorganic Chemistry 48 (2009) 6236–6241; doi:10.1021/ic900562n

data_4302569
_publ_contact_author             'Vadapalli Chandrasekhar'
_publ_contact_author_email       vc@iitk.ac.in
_publ_section_title
;
Tellurasiloxane Cages Containing Te6Si4O12 and Te6Si6O15 Frameworks
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6236
_journal_page_last               6241
_journal_paper_doi               10.1021/ic900562n
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C122.5 H168 N12 O12 Si4 Te6'
_chemical_formula_weight         2878.65
_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                 96.28(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   26.274(5)
_cell_length_b                   17.708(4)
_cell_length_c                   30.953(6)
_cell_measurement_reflns_used    5759
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      23.48
_cell_measurement_theta_min      2.29
_cell_volume                     14315(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0643
_diffrn_reflns_av_sigmaI/netI    0.0747
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            72943
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.10
_exptl_absorpt_coefficient_mu    1.295
_exptl_absorpt_correction_T_max  0.7818
_exptl_absorpt_correction_T_min  0.6974
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.336
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelopiped
_exptl_crystal_F_000             5804
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         2.065
_refine_diff_density_min         -1.911
_refine_diff_density_rms         0.144
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1302
_refine_ls_number_reflns         25153
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0809
_refine_ls_R_factor_gt           0.0569
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0863P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1442
_refine_ls_wR_factor_ref         0.1583
_reflns_number_gt                17561
_reflns_number_total             25153
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic900562n_si_001_1.cif
_cod_data_source_block           compound1
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_Hall     -P2ybc
_cod_original_sg_symbol_H-M      'P 1 21/c 1 '
_cod_original_formula_sum        'C122.50 H168 N12 O12 Si4 Te6'
_cod_database_code               4302569