Ruthenium-Catalyzed Ring-Opening Polymerization Syntheses of Poly(organodecaboranes): New Single-Source Boron-Carbide Precursors
Wei, Xiaolan; Carroll, Patrick J.; Sneddon, Larry G.; Chemistry of Materials 18 (2006) 1113–; doi:10.1021/cm0524603

data_4001510
_publ_section_title
;
 Ruthenium-Catalyzed Ring-Opening Polymerization Syntheses of
 Poly(organodecaboranes):&#x00A0; New Single-Source Boron-Carbide
 Precursors
;
_journal_issue                   5
_journal_name_full               'Chemistry of Materials'
_journal_page_first              1113
_journal_paper_doi               10.1021/cm0524603
_journal_volume                  18
_journal_year                    2006
_chemical_formula_sum            'C7 H22 B10'
_chemical_formula_weight         214.35
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 117.287(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.906(2)
_cell_length_b                   13.048(2)
_cell_length_c                   10.811(2)
_cell_measurement_temperature    143(1)
_cell_volume                     1367.2(4)
_computing_data_collection       'CrystalClear (Rigaku, 1999)'
_computing_data_reduction        'CrystalClear (Rigaku, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare, 1999)'
_diffrn_ambient_temperature      143(1)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device       'CCD Area Detector'
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       'phi and omega rotations'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0224
_diffrn_reflns_av_sigmaI/netI    0.0249
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            7237
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.62
_exptl_absorpt_coefficient_mu    0.047
_exptl_absorpt_correction_T_max  0.812
_exptl_absorpt_correction_T_min  1.000
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.041
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             456
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.489
_refine_diff_density_min         -0.257
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     269
_refine_ls_number_reflns         2430
_refine_ls_number_restraints     62
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0892
_refine_ls_R_factor_gt           0.0763
_refine_ls_shift/su_max          0.069
_refine_ls_shift/su_mean         0.011
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1195P)^2^+0.7426P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2025
_refine_ls_wR_factor_ref         0.2171
_reflns_number_gt                2019
_reflns_number_total             2430
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm0524603si20051104_125740.cif
_cod_data_source_block           UP3212
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'multi-scans' was replaced
with the value 'multi-scan' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_cell_volume        1367.3(5)
_cod_original_sg_symbol_H-M      'P 21/c     '
_cod_database_code               4001510
_exptl_absorpt_correction_method 'symmetry-related measurements'