C36H102Na6O30Si6
Taylor, Peter. G.; Gelbrich, Thomas; Hursthouse, Michael B.; Crystal Structure Report Archive  (2001) 826–; doi:

data_1519350
_publ_section_title
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 C36H102Na6O30Si6
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_journal_name_full               'Crystal Structure Report Archive'
_journal_page_first              826
_journal_year                    2001
_chemical_formula_sum            'C18 H51 Na3 O15 Si3'
_chemical_formula_weight         660.83
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                88.5860(10)
_cell_angle_beta                 80.2380(10)
_cell_angle_gamma                70.995(2)
_cell_formula_units_Z            2
_cell_length_a                   9.16150(10)
_cell_length_b                   10.1143(2)
_cell_length_c                   18.1371(5)
_cell_measurement_reflns_used    5079
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      39.39
_cell_measurement_theta_min      2.91
_cell_volume                     1565.16(6)
_computing_cell_refinement       'DENZO and COLLECT'
_computing_data_collection
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'DENZO (Otwinowski and Minor, 1997) & COLLECT (Hooft, 1998) '
;
_computing_data_reduction        'DENZO and COLLECT'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.958
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device_type  'Enraf Nonius KappaCCD area detector'
_diffrn_measurement_method       '\w and \f scans to fill Ewald sphere'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enraf Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0314
_diffrn_reflns_av_sigmaI/netI    0.0499
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            10149
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         3.00
_exptl_absorpt_coefficient_mu    0.256
_exptl_absorpt_correction_T_max  0.9748
_exptl_absorpt_correction_T_min  0.9626
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SORTAV (R. H. Blessing, 1995, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.402
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             708
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.324
_refine_diff_density_min         -0.337
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.28(10)
_refine_ls_extinction_coef       0.0026(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.935
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     759
_refine_ls_number_reflns         7727
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      0.935
_refine_ls_R_factor_all          0.0389
_refine_ls_R_factor_gt           0.0338
_refine_ls_shift/su_max          0.055
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0554P)^2^+0.5360P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0866
_refine_ls_wR_factor_ref         0.0895
_reflns_number_gt                7116
_reflns_number_total             7727
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            eCrystal-826.cif
_cod_data_source_block           s92
_cod_depositor_comments
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Citation :
Taylor, Peter. G. and Gelbrich, Thomas and Hursthouse, Michael B. (2001) 
University of Southampton, Crystal Structure Report Archive. 

More at:
http://ecrystals.chem.soton.ac.uk/826/

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

'_exptl_absorpt_correction_type' value 'Empirical' changed to
'empirical' according to the built-in table from CIF Core dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 3105 2015-03-04 15:46:00Z robertas 
;
_cod_original_sg_symbol_H-M      P1
_cod_database_code               1519350