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_1560492
_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
'C64 H74 Mg2 Na2 O22, C56 H58 Mg2 Na2 O20, 2(C4 H8 O)'
_chemical_formula_sum            'C64 H74 Mg2 Na2 O22'
_chemical_formula_weight         1289.83
_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                83.06(3)
_cell_angle_beta                 85.31(3)
_cell_angle_gamma                64.38(3)
_cell_formula_units_Z            2
_cell_length_a                   12.842(3)
_cell_length_b                   14.112(3)
_cell_length_c                   19.578(3)
_cell_measurement_reflns_used    8097
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.54
_cell_measurement_theta_min      2.85
_cell_volume                     3174.0(14)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Cu) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0469
_diffrn_reflns_av_unetI/netI     0.0765
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.986
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            26677
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        25.500
_diffrn_reflns_theta_max         26.999
_diffrn_reflns_theta_min         2.518
_exptl_absorpt_coefficient_mu    0.130
_exptl_absorpt_correction_T_max  0.978
_exptl_absorpt_correction_T_min  0.967
_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    1.350
_exptl_crystal_description       plates
_exptl_crystal_F_000             1360
_exptl_crystal_size_max          0.360
_exptl_crystal_size_mid          0.290
_exptl_crystal_size_min          0.230
_refine_diff_density_max         0.566
_refine_diff_density_min         -0.364
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     856
_refine_ls_number_reflns         13668
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.1022
_refine_ls_R_factor_gt           0.0655
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0718P)^2^+2.3245P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1535
_refine_ls_wR_factor_ref         0.1800
_reflns_Friedel_coverage         0.000
_reflns_number_gt                9286
_reflns_number_total             13668
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ma0c02773_si_002.cif
_cod_data_source_block           8
_cod_original_cell_volume        3174.0(13)
_cod_database_code               1560492
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.955
_shelx_estimated_absorpt_t_max   0.971
_shelx_res_checksum              87378
_shelx_hkl_checksum              86604