Synthesis and structural characterization of exemplary silyl triptycenes
Mames, Adam; Osior, Agnieszka; Szkudlarek, Piotr Grzegorz; Pietrzak, Mariusz; Szymański, Sławomir; Ratajczyk, Tomasz; New Journal of Chemistry 43 (2019) 7567–; doi:10.1039/C9NJ00934E

data_7058260
_publ_section_title
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 Synthesis and structural characterization of exemplary silyl triptycenes
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_journal_issue                   20
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              7567
_journal_paper_doi               10.1039/C9NJ00934E
_journal_volume                  43
_journal_year                    2019
_chemical_formula_sum            'C27 H22 O Si'
_chemical_formula_weight         390.54
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_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
_atom_sites_solution_secondary   difmap
_audit_block_doi                 10.5517/ccdc.csd.cc21clhj
_audit_creation_method           SHELXL-97
_audit_update_record
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2018-12-30 deposited with the CCDC.    2019-03-21 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 97.149(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.7985(5)
_cell_length_b                   11.7703(5)
_cell_length_c                   15.4232(6)
_cell_measurement_reflns_used    1595
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      66.35
_cell_measurement_theta_min      4.74
_cell_volume                     2125.20(15)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1114
_diffrn_reflns_av_sigmaI/netI    0.0755
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            11605
_diffrn_reflns_theta_full        65.08
_diffrn_reflns_theta_max         65.08
_diffrn_reflns_theta_min         4.74
_exptl_absorpt_coefficient_mu    1.076
_exptl_absorpt_correction_T_max  0.9502
_exptl_absorpt_correction_T_min  0.9038
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.221
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.237
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.921
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         3559
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.921
_refine_ls_R_factor_all          0.0943
_refine_ls_R_factor_gt           0.0589
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0816P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1356
_refine_ls_wR_factor_ref         0.1553
_reflns_number_gt                2180
_reflns_number_total             3559
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c9nj00934e2.cif
_cod_data_source_block           ao_y_0m
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 7058259--7058260.cif.
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_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7058260