Solvothermal Alcoholysis Method for Recycling High-Consistency Silicone Rubber Waste
Petrus, Rafał; Utko, Józef; Gniłka, Radosław; Fleszar, Mariusz G.; Lis, Tadeusz; Sobota, Piotr; Macromolecules 54 (2021) 2449–2465; doi:10.1021/acs.macromol.0c02773

data_1560495
_publ_section_title
;
 Solvothermal Alcoholysis Method for Recycling High-Consistency Silicone
 Rubber Waste
;
_journal_issue                   5
_journal_name_full               Macromolecules
_journal_page_first              2449
_journal_page_last               2465
_journal_paper_doi               10.1021/acs.macromol.0c02773
_journal_volume                  54
_journal_year                    2021
_chemical_formula_moiety         'C56 H58 Na2 O20 Zn2'
_chemical_formula_sum            'C56 H58 Na2 O20 Zn2'
_chemical_formula_weight         1227.74
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                109.29(3)
_cell_angle_beta                 104.32(3)
_cell_angle_gamma                99.73(3)
_cell_formula_units_Z            1
_cell_length_a                   11.298(3)
_cell_length_b                   11.637(3)
_cell_length_c                   12.267(3)
_cell_measurement_reflns_used    4306
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      26.31
_cell_measurement_theta_min      2.79
_cell_volume                     1418.5(8)
_computing_cell_refinement       'CrysAlis PRO (Agilent, 2011)'
_computing_data_collection       'CrysAlis PRO (Agilent, 2011)'
_computing_data_reduction        'CrysAlis PRO (Agilent, 2011)'
_computing_molecular_graphics    'DIAMOND  (Brandenburg, 2007)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'KUMA KM4 CCD \k-geometry diffractometer'
_diffrn_measurement_method       \w
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0521
_diffrn_reflns_av_unetI/netI     0.0712
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11045
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.500
_diffrn_reflns_theta_max         26.369
_diffrn_reflns_theta_min         2.798
_exptl_absorpt_coefficient_mu    0.936
_exptl_absorpt_correction_T_max  0.882
_exptl_absorpt_correction_T_min  0.776
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.437
_exptl_crystal_description       blocks
_exptl_crystal_F_000             636
_exptl_crystal_size_max          0.350
_exptl_crystal_size_mid          0.290
_exptl_crystal_size_min          0.150
_refine_diff_density_max         0.888
_refine_diff_density_min         -1.206
_refine_diff_density_rms         0.114
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     370
_refine_ls_number_reflns         5756
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0997
_refine_ls_R_factor_gt           0.0745
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1361P)^2^+0.2652P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1932
_refine_ls_wR_factor_ref         0.2266
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4128
_reflns_number_total             5756
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ma0c02773_si_002.cif
_cod_data_source_block           11
_cod_original_cell_volume        1418.5(7)
_cod_database_code               1560495
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.735
_shelx_estimated_absorpt_t_max   0.872
_shelx_res_checksum              30905
_shelx_hkl_checksum              56087