A Branched Polysilane
Lambert, J. B.; Pflug, J. L.; Allgeier, A. M.; Campbell, D. J.; Higgins, T. B.; Singewald, E. T.; Stern, C. L.; Acta Crystallographica Section C 51 (1995) 713–715; doi:10.1107/S0108270194009704

data_2003315
_publ_section_title
;
 A Branched Polysilane
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              713
_journal_page_last               715
_journal_paper_doi               10.1107/S0108270194009704
_journal_volume                  51
_journal_year                    1995
_chemical_compound_source
' from (Me~3~Si)~3~SiLi and Cl-SiMe~2~-SiMe~2~-Cl'
_chemical_formula_moiety         'C22 H66 Si10'
_chemical_formula_sum            'C22 H66 Si10'
_chemical_formula_weight         611.62
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_type_scat_source           IntTabIV
_cell_angle_alpha                103.34(3)
_cell_angle_beta                 92.01(3)
_cell_angle_gamma                114.30(2)
_cell_formula_units_Z            1
_cell_length_a                   9.138(2)
_cell_length_b                   9.172(3)
_cell_length_c                   13.598(6)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    153
_cell_measurement_theta_max      23.7
_cell_measurement_theta_min      19.2
_cell_volume                     999.8(6)
_diffrn_measurement_device       'Enraf-Nonius CAD-4'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.027
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       0
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            4079
_diffrn_reflns_theta_max         26.0
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  90
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.33
_exptl_absorpt_correction_T_max  0.91
_exptl_absorpt_correction_T_min  0.86
_exptl_absorpt_correction_type   analytical
_exptl_crystal_colour            'off white'
_exptl_crystal_density_diffrn    1.016
_exptl_crystal_description       'translucent prismatic'
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.38
_refine_diff_density_min         -0.25
_refine_ls_extinction_coef       0.26726E-5
_refine_ls_extinction_method     secondary
_refine_ls_goodness_of_fit_obs   1.62
_refine_ls_hydrogen_treatment    refall
_refine_ls_number_parameters     278
_refine_ls_number_reflns         3388
_refine_ls_R_factor_obs          0.024
_refine_ls_shift/esd_max         0.01
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 4F~o~^2^/\s^2^(F~o~^2^)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_obs         0.033
_reflns_number_observed          3388
_reflns_number_total             3907
_reflns_observed_criterion       I>3\s(I)
_cod_data_source_file            bk1051.cif
_cod_data_source_block           bk1051a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'w = 4F~o~^2^/\s^2^(F~o~^2^)' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to 'w =
4F~o~^2^/\s^2^(F~o~^2^)'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        1000.0(10)
_cod_database_code               2003315