Skeletal diversity in Pt- and Au-catalyzed annulations of allenedienes: dissecting unconventional mechanistic pathways
Nelson, Ronald; Calvelo, Martín; García-Fandiño, Rebeca; Lledós, Agustí; Ujaque, Gregori; Mascareñas, José L.; López, Fernando; Chemical Science 11 (2020) 4209–4220; doi:10.1039/D0SC00650E

data_1557676
_publ_section_title
;
 Skeletal diversity in Pt- and Au-catalyzed annulations of allenedienes:
 dissecting unconventional mechanistic pathways
;
_journal_issue                   16
_journal_name_full               'Chemical Science'
_journal_page_first              4209
_journal_page_last               4220
_journal_paper_doi               10.1039/D0SC00650E
_journal_volume                  11
_journal_year                    2020
_chemical_formula_moiety         'C19 H34 O Si'
_chemical_formula_sum            'C19 H34 O Si'
_chemical_formula_weight         306.55
_chemical_name_common            RN1-601
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4.3
_audit_creation_date             2016-11-19T21:12:40-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2019-11-07 deposited with the CCDC.	2020-03-27 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.557(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   23.4244(10)
_cell_length_b                   6.2336(3)
_cell_length_c                   13.0105(6)
_cell_measurement_reflns_used    8169
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.38
_cell_measurement_theta_min      3.24
_cell_measurement_wavelength     0.71073
_cell_volume                     1899.68(15)
_computing_cell_refinement       'SAINT V8.37A integration software'
_computing_data_collection       'Bruker APEX2 software'
_computing_data_reduction        'SORTAV (Blessing, 1995)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 2012)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'APEX-II CCD'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II'
_diffrn_measurement_method       '\f or \w oscillation scans'
_diffrn_orient_matrix_UB_11      0.029575
_diffrn_orient_matrix_UB_12      0.038676
_diffrn_orient_matrix_UB_13      -0.051725
_diffrn_orient_matrix_UB_21      0.002167
_diffrn_orient_matrix_UB_22      -0.153431
_diffrn_orient_matrix_UB_23      -0.022061
_diffrn_orient_matrix_UB_31      -0.030713
_diffrn_orient_matrix_UB_32      0.026417
_diffrn_orient_matrix_UB_33      -0.052403
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0543
_diffrn_reflns_av_unetI/netI     0.0547
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.978
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            40894
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.978
_diffrn_reflns_reduction_process
;
        Scaled and merged with Sortav
        R.H. Blessing, (1987) Cryst. Rev. 1, 3-58
        R.H. Blessing, (1989) J. Appl. Cryst. 22, 396-397
;
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         33.244
_diffrn_reflns_theta_min         1.739
_diffrn_source                   'sealed x-ray tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.123
_exptl_absorpt_correction_T_max  0.962
_exptl_absorpt_correction_T_min  0.793
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.072
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             680
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.431
_refine_diff_density_min         -0.41
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     198
_refine_ls_number_reflns         7142
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0818
_refine_ls_R_factor_gt           0.049
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0569P)^2^+0.4038P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1088
_refine_ls_wR_factor_ref         0.1226
_reflns_Friedel_coverage         0
_reflns_number_gt                5087
_reflns_number_total             7142
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0sc00650e2.cif
_cod_data_source_block           shelx
_cod_depositor_comments
;Adding full bibliography for 1557674--1557678.cif.

 Adding full bibliography for 1557674--1557678.cif.
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1557676
_shelx_estimated_absorpt_t_min   0.953
_shelx_estimated_absorpt_t_max   0.988
_shelx_res_checksum              15315